{"cik":1751692,"entityName":"1895 Bancorp of Wisconsin, Inc.","facts":{"dei":{"EntityCommonStockSharesOutstanding":{"label":"Entity Common Stock, Shares Outstanding","description":"Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.","units":{"shares":[{"end":"2018-12-21","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q4I"},{"end":"2019-03-29","val":4876677,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2019Q1I"},{"end":"2019-05-10","val":4876677,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2019-06-30","val":4876677,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4876677,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2020-03-30","val":4876677,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2020-03-31","val":4876677,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":4876677,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-11-12","val":4769952,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2021-03-24","val":4851901,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2021Q1I"},{"end":"2021-05-17","val":4844839,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q2I"}]}},"EntityPublicFloat":{"label":"Entity Public Float","description":"The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.","units":{"USD":[{"end":"2018-12-31","val":21100000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-01-09","val":21100000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2020-12-31","val":21200000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}}},"us-gaap":{"AccretionAmortizationOfDiscountsAndPremiumsInvestments":{"label":"Accretion (Amortization) of Discounts and Premiums, Investments","description":"The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-598000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-331000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018"}]}},"AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment":{"label":"Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment","description":"Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.","units":{"USD":[{"end":"2017-12-31","val":9871000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":9979000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":9979000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":8987000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":8987000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":8571000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"AccumulatedOtherComprehensiveIncomeLossNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Net of Tax","description":"Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.","units":{"USD":[{"end":"2017-12-31","val":-788000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":-789000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":-1956000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":-1583000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":-1583000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":-1583000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":-1583000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":-1583000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":-876000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":-76000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":420000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":107000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":107000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":107000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":107000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":107000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":-17000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1810000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1240000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1138000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1138000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":544000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AdditionalPaidInCapital":{"label":"Additional Paid in Capital","description":"Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.","units":{"USD":[{"end":"2019-03-31","val":19980000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":19978000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":19978000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":19981000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":19981000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":19981000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":19981000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":19981000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":19982000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":20022000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":20076000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":20134000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":20134000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":20180000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue":{"label":"APIC, Share-based Payment Arrangement, Increase for Cost Recognition","description":"Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.","units":{"USD":[{"start":"2020-04-01","end":"2020-06-30","val":44000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":44000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":55000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":156000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":58000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"AdvancePaymentsByBorrowersForTaxesAndInsurance":{"label":"Advance Payments by Borrowers for Taxes and Insurance","description":"Carrying amount of accumulated prepayments received by financial institutions from borrowers for taxes (for example, property taxes) and insurance (for example, property and catastrophe) which will periodically be remitted to the appropriate governmental agency or vendor on behalf of the borrower.","units":{"USD":[{"end":"2017-12-31","val":385000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":385000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":10571000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1240000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":1240000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":1240000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":1240000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":1240000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":4333000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":9139000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":12070000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1681000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":1681000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":1681000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":1681000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":1681000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":5422000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":10623000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":11428000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2737000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":2737000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":6097000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AdvancesFromFederalHomeLoanBanks":{"label":"Advances from Federal Home Loan Banks","description":"Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.","units":{"USD":[{"end":"2017-12-31","val":34693000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":34693000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":36668000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":30010000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":30010000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":30010000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":30010000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":30010000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":24651000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":12642000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7633000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":17623000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":17623000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":17623000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":17623000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":17623000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":55614000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":69367000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":68884000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":68398000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":68398000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":67912000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"Assets":{"label":"Assets","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2017-12-31","val":468361000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":468361000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":482844000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":481099000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":481099000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":481099000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":481099000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":481099000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":496951000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":483309000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":441187000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":428009000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":428009000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":428009000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":428009000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":428009000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":447911000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":495216000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":504852000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":516757000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":516757000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":517116000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AssetsFairValueDisclosure":{"label":"Assets, Fair Value Disclosure","description":"Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2018-12-31","val":68160000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-06-30","val":134000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-12-31","val":73928000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":73928000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":73928000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":73928000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":73928000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":68949000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":67944000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":61121000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":61695000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":61695000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":71086000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleDebtSecuritiesAmortizedCostBasis":{"label":"Debt Securities, Available-for-sale, Amortized Cost","description":"Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2018-09-30","val":69555000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":67900000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":65895000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":68569000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":67560000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":71229000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":66929000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":62998000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":56730000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":57145000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":67195000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecurities":{"label":"Available-for-sale Securities","description":"Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.","units":{"USD":[{"end":"2017-12-31","val":88955000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":88955000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":66875000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":65731000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":65731000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":65731000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":65731000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":65731000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":64695000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":68465000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":68135000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":71375000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":71375000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":71375000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":71375000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":71375000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":66905000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":65477000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":58428000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":58703000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":58703000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":67940000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax":{"label":"Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax","description":"Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.","units":{"USD":[{"end":"2017-12-31","val":325000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":325000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":31000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":32000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":32000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":32000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":32000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":32000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":55000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":463000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":786000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":542000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":542000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":542000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":542000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":542000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":645000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2539000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1707000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1588000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1588000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1215000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax":{"label":"Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax","description":"Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.","units":{"USD":[{"end":"2017-12-31","val":1405000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":1405000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":2711000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2201000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":2201000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":2201000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":2201000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":2201000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1255000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":567000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":211000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":396000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":396000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":396000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":396000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":396000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":669000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":60000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":9000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":30000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":30000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":470000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesAmortizedCost":{"label":"Available-for-sale Securities, Amortized Cost Basis","description":"This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.","units":{"USD":[{"end":"2017-12-31","val":90035000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":90035000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":69555000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":67900000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":67900000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":67900000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":67900000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":67900000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":65895000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":68569000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":67560000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":71229000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":71229000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":71229000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":71229000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":71229000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":66929000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":62998000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":56730000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":57145000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":57145000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":67195000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value","description":"This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.","units":{"USD":[{"end":"2017-12-31","val":63177000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":63177000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":60587000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":59464000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":59464000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":59464000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":59464000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":59464000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":55810000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":36522000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":30385000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":37761000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":37761000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":37761000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":37761000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":37761000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":38925000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3611000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2090000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":9857000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":9857000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":24520000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value","description":"This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.","units":{"USD":[{"end":"2017-12-31","val":20199000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":20199000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":15152000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2613000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":2613000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":2613000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":2613000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":2613000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2558000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1143000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":10203000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":20276000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":20276000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":20276000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":20276000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":20276000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":25930000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3592000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":581000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":9219000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":9219000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":24520000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value","description":"This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer.","units":{"USD":[{"end":"2017-12-31","val":42978000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":42978000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":45435000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":56851000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":56851000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":56851000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":56851000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":56851000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":53252000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":35379000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":20182000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":17485000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":17485000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":17485000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":17485000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":17485000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":12995000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":19000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1509000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":638000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":638000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost":{"label":"Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10","description":"Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":3485000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3214000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3198000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2457000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4095000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":3161000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2411000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2658000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1329000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1326000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3495000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue":{"label":"Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10","description":"Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":3372000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3149000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3173000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2486000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4176000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":3209000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2458000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2765000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1444000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1435000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3470000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost":{"label":"Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five","description":"Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":6319000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":6443000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":6435000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":8297000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":6759000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":6417000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":6874000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":6469000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":6462000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5217000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":4709000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue":{"label":"Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five","description":"Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":6150000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":6327000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":6388000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":8319000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":6811000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":6482000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":6924000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":6677000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":6682000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5419000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":4872000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost":{"label":"Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10","description":"Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1330000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1330000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1000000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1000000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5246000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":4289000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue":{"label":"Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10","description":"Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1318000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1293000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1027000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1044000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5274000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":4141000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate":{"label":"Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value","description":"Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date.","units":{"USD":[{"end":"2018-12-31","val":11415000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-12-31","val":11587000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":11253000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":10796000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":9496000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":13383000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":13231000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis":{"label":"Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost","description":"Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date.","units":{"USD":[{"end":"2018-12-31","val":11597000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-12-31","val":11486000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":11192000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":10453000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":9117000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":13028000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":13230000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost":{"label":"Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One","description":"Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":1927000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1940000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1445000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":374000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":125000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":578000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":577000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":326000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":326000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1239000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":737000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue":{"label":"Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One","description":"Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":1925000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1939000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1445000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":374000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":125000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":578000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":578000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":327000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":326000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1255000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":748000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesDebtSecurities":{"label":"Debt Securities, Available-for-sale","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2017-12-31","val":88955000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":66875000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":65731000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":65731000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":65731000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":65731000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q4I"},{"end":"2019-03-31","val":64695000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":68465000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":68135000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":71375000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":66905000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":65477000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":58428000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":58703000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":67940000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"AvailableForSaleSecuritiesGrossRealizedGainLossNet":{"label":"Available-for-sale Securities, Gross Realized Gain (Loss)","description":"This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.","units":{"USD":[{"start":"2018-01-01","end":"2018-06-30","val":67000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":67000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":67000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":67000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-03-31","val":7000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":7000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":7000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":1022000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":1023000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":12000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"AvailableForSaleSecuritiesGrossRealizedGains":{"label":"Available-for-sale Securities, Gross Realized Gains","description":"This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.","units":{"USD":[{"start":"2018-01-01","end":"2018-03-31","val":91000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":137000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":46000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":137000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":137000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":137000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":137000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2020-01-01","end":"2020-03-31","val":7000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":7000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":7000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1022000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":1014000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1023000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":12000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"AvailableForSaleSecuritiesGrossRealizedLosses":{"label":"Available-for-sale Securities, Gross Realized Losses","description":"This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.","units":{"USD":[{"start":"2018-01-01","end":"2018-03-31","val":70000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":70000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":70000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":70000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":70000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":70000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"}]}},"AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherDefaultRate":{"label":"Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Default Rate","description":"This item represents the default rate of the underlying assets in the security that were considered as one of the potential factors in reaching a conclusion that the available-for-sale investments are not other-than-temporarily impaired.","units":{"pure":[{"end":"2017-12-31","val":0.02,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0.04,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"start":"2018-01-01","end":"2018-12-31","val":0.036,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":0.036,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-01-01","end":"2018-12-31","val":0.036,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-12-31","val":0.036,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":0.036,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0.022,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0.015,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":0.007,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":0.01,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":0.01,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-12-31","val":0.01,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-12-31","val":0.01,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":0.01,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0.017,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0.017,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0.004,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":0.003,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":0.003,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0.019,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"Capital":{"label":"Banking Regulation, Total Capital, Actual","description":"Amount of total capital as defined by regulatory framework.","units":{"USD":[{"end":"2017-12-31","val":34868000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":34868000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":35310000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":35955000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":35955000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":35955000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":35955000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":35955000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":45189000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":45134000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":45597000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":46316000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":46316000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":46316000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":46316000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":46316000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":46634000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":47457000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":48670000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":49534000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":49534000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":50460000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CapitalRequiredForCapitalAdequacy":{"label":"Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum","description":"Amount of minimum total risk-based capital required for capital adequacy as defined by regulatory framework.","units":{"USD":[{"end":"2017-12-31","val":14174000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":14174000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":16510000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":16153000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":16153000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":16153000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":16153000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":16153000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":16282000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":16173000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":15702000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":15391000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":15391000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":15391000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":15391000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":15391000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":15206000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":14875000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":14518000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":14725000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":14725000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":14502000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CapitalRequiredForCapitalAdequacyToRiskWeightedAssets":{"label":"Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum","description":"Ratio of minimum total risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.","units":{"pure":[{"end":"2017-12-31","val":0.045,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":0.045,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0.045,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.045,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":0.045,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":0.045,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":0.045,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":0.045,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.045,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.045,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.045,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.045,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0.045,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0.045,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0.045,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0.045,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.045,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.045,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.045,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.045,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.045,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.045,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CapitalRequiredToBeWellCapitalized":{"label":"Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum","description":"Amount of minimum total risk-based capital categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"USD":[{"end":"2017-12-31","val":20473000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":20473000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":23847000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":23333000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":23333000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":23333000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":23333000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":23333000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":23519000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":23361000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":22681000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":22232000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":22232000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":22232000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":22232000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":22232000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":21964000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":21487000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":20970000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":21269000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":21269000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":20947000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets":{"label":"Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum","description":"Ratio of minimum total risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"pure":[{"end":"2017-12-31","val":0.065,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":0.065,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0.065,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.065,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":0.065,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":0.065,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":0.065,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":0.065,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.065,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.065,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.065,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.065,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0.065,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0.065,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0.065,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0.065,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.065,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.065,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.065,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.065,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.065,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.065,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CapitalToRiskWeightedAssets":{"label":"Banking Regulation, Total Risk-Based Capital Ratio, Actual","description":"Ratio of total risk-based capital to risk-weighted assets as defined by regulatory framework.","units":{"pure":[{"end":"2017-12-31","val":0.111,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":0.111,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0.096,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.1,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":0.1,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":0.1,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":0.1,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":0.1,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.125,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.126,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.131,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.135,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0.135,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0.135,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0.135,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0.135,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.138,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.144,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.151,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.151,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.151,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.157,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CashAndDueFromBanks":{"label":"Cash and Due from Banks","description":"For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.","units":{"USD":[{"end":"2017-12-31","val":12497000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":12497000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":8784000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":7782000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":7782000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":7782000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":7782000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":7782000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":32540000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":32044000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":10279000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":11507000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":11507000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":11507000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":11507000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":11507000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":40460000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":66677000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":78042000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":87977000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":87977000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":81985000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CashCashEquivalentsAndFederalFundsSold":{"label":"Cash, Cash Equivalents, and Federal Funds Sold","description":"The sum of cash and cash equivalents plus Federal Funds Sold. Cash and cash equivalents consist of short term, highly liquid investments that are readily convertible to known amounts of cash and are so near their maturity that they present negligible risk of changes in value due to changes in interest rates -- usually with an original maturity less than 90 days.","units":{"USD":[{"end":"2017-12-31","val":12497000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":12497000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":8956000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":7923000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":7923000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":7923000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":7923000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":7923000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":34683000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":36160000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":10356000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":11707000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":11707000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":11707000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":11707000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":11707000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":41908000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":68719000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":78898000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":92526000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":92526000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":83481000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations","description":"Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"end":"2016-12-31","val":7779000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2016-12-31","val":7779000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2016Q4I"},{"end":"2017-09-30","val":16797000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3I"},{"end":"2017-12-31","val":12497000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":12497000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2017-12-31","val":12497000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2017-12-31","val":12497000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2017-12-31","val":12497000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2017-12-31","val":12497000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2017Q4I"},{"end":"2018-03-31","val":8190000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1I"},{"end":"2018-06-30","val":7995000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2I"},{"end":"2018-09-30","val":8956000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2018-09-30","val":8956000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3I"},{"end":"2018-12-31","val":7923000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":7923000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":7923000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":7923000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":7923000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2018-12-31","val":7923000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2018-12-31","val":7923000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2018-12-31","val":7923000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2018-12-31","val":7923000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-03-31","val":34683000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2019-03-31","val":34683000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1I"},{"end":"2019-06-30","val":36160000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2019-06-30","val":36160000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":10356000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2019-09-30","val":10356000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3I"},{"end":"2019-12-31","val":11707000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":11707000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":11707000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":11707000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":11707000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2019-12-31","val":11707000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":41908000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2020-03-31","val":41908000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1I"},{"end":"2020-06-30","val":68719000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":78898000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":92526000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":92526000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":83481000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect","description":"Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":9018000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":4718000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-4307000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-4502000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":-3541000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":-3541000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":-4574000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-4574000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":26760000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":26760000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":28237000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":28237000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":2433000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":2433000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":3784000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":3784000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":30201000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":30201000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":57012000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":67191000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":80819000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-9045000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"CashFDICInsuredAmount":{"label":"Cash, FDIC Insured Amount","description":"The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.","units":{"USD":[{"end":"2017-12-31","val":250000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q4I"},{"end":"2018-09-30","val":250000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":250000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":250000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":250000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":250000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q4I"},{"end":"2019-03-31","val":250000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":250000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":250000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":250000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":250000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":250000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":250000000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q4I"},{"end":"2020-03-31","val":250000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":250000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-12-31","val":250000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":250000000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":250000000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CashSurrenderValueOfLifeInsurance":{"label":"Cash Surrender Value of Life Insurance","description":"Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.","units":{"USD":[{"end":"2017-12-31","val":13732000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":13732000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":13302000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":13400000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":13400000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":13400000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":13400000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":13400000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":13500000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":12887000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":12985000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":13085000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":13085000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":13085000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":13085000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":13085000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":13184000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":13283000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":13384000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":13485000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":13485000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":13585000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CommonEquityTierOneCapital":{"label":"Banking Regulation, Common Equity Tier One Risk-Based Capital, Actual","description":"Amount of Common Equity Tier 1 risk-based capital as defined by regulatory framework.","units":{"USD":[{"end":"2017-12-31","val":34868000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":34868000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":35310000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":35955000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":35955000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":35955000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":35955000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":35955000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":45189000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":45134000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":45597000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":46316000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":46316000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":46316000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":46316000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":46316000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":46634000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":47457000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":48670000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":49534000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":49534000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":50460000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CommonEquityTierOneCapitalRatio":{"label":"Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Actual","description":"Ratio of Common Equity Tier 1 risk-based capital to risk-weighted assets as defined by regulatory framework.","units":{"pure":[{"end":"2017-12-31","val":0.074,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":0.074,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0.074,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.075,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":0.075,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":0.075,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":0.075,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":0.075,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.093,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.095,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.099,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.107,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0.107,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0.107,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0.107,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0.107,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.109,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.1,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.099,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.098,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.098,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.099,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CommonEquityTierOneCapitalRequiredToBeWellCapitalized":{"label":"Banking Regulation, Common Equity Tier One Risk-Based Capital, Well Capitalized, Minimum","description":"Amount of minimum Common Equity Tier 1 risk-based capital categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"USD":[{"end":"2017-12-31","val":23719000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":23719000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":23811000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":23887000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":23887000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":23887000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":23887000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":23887000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":24197000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":23762000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":22959000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":21740000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":21740000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":21740000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":21740000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":21740000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":21434000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":23776000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":24529000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":25243000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":25243000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":25431000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CommonStockParOrStatedValuePerShare":{"label":"Common Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of common stock.","units":{"USD/shares":[{"end":"2018-09-05","val":10,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-09-05","val":10,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-09-05","val":10,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3I"},{"end":"2019-01-08","val":10,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-01-08","val":10,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-01-08","val":10000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.01,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.01,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.01,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.01,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0.01,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0.01,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0.01,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0.01,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.01,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.01,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.01,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.01,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.01,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.01,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CommonStockSharesAuthorized":{"label":"Common Stock, Shares Authorized","description":"The maximum number of common shares permitted to be issued by an entity's charter and bylaws.","units":{"shares":[{"end":"2019-03-31","val":90000000000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":90000000000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":90000000000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":90000000000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":90000000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":90000000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":90000000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":90000000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":90000000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":90000000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":90000000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":90000000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":90000000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":90000000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CommonStockSharesIssued":{"label":"Common Stock, Shares, Issued","description":"Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.","units":{"shares":[{"end":"2018-09-05","val":2145738000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-09-05","val":2145738000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-09-05","val":2145738000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3I"},{"end":"2019-01-08","val":2145738000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-01-08","val":2145738000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-01-08","val":2145738,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-03-31","val":4876677000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2019-03-31","val":4876677,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-03-31","val":4876677,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-03-31","val":4876677,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q1I"},{"end":"2019-06-30","val":4876677000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4876677000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":4876677000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":4876677,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":4876677,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":4876677,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":4876677,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":4876677,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":4876677,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":4876677,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":4961626,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":4961626,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":4972064,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CommonStockSharesOutstanding":{"label":"Common Stock, Shares, Outstanding","description":"Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.","units":{"shares":[{"end":"2019-12-31","val":4876677000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":4876677,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":4876677,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":4876677,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-06-30","val":4876677,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":4769952,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":4834401,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":4834401,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":4844839,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"CommonStockValue":{"label":"Common Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2019-03-31","val":49000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":49000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":49000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":49000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":49000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":49000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":49000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":49000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":49000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":49000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":49000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":49000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":49000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":49000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ComprehensiveIncomeNetOfTax":{"label":"Comprehensive Income (Loss), Net of Tax, Attributable to Parent","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":5757000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":47000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":1654000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-611000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-1304000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":-726000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-1246000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":-1246000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":57000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":57000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-813000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-813000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":236000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":236000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1027000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":1027000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":791000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":791000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1959000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":1959000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":932000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":932000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":2139000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":2139000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":163000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":163000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2184000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":2021000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":2026000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":-158000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":2348000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-73000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"CurrentFederalTaxExpenseBenefit":{"label":"Current Federal Tax Expense (Benefit)","description":"Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":89000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-397000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-397000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-26000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":-26000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":86000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"CurrentIncomeTaxExpenseBenefit":{"label":"Current Income Tax Expense (Benefit)","description":"Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":89000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-397000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-397000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-29000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":-29000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":86000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"CurrentStateAndLocalTaxExpenseBenefit":{"label":"Current State and Local Tax Expense (Benefit)","description":"Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-3000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":-3000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"}]}},"DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss":{"label":"Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss","description":"Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2017-12-31","val":1256000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":1256000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":2334000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2195000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":2195000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":2195000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":2195000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":2195000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1253000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":562000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":177000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":258000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":258000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":258000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":258000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":258000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":191000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":6000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":7000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":7000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss":{"label":"Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss","description":"Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2017-12-31","val":149000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":149000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":377000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":6000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":6000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":6000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":6000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":6000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":5000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":34000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":138000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":138000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":138000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":138000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":138000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":478000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":60000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":3000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":23000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":23000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":470000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss":{"label":"Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss","description":"Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2017-12-31","val":1405000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":1405000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":2711000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2201000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":2201000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":2201000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":2201000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":2201000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1255000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":567000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":211000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":396000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":396000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":396000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":396000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":396000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":669000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":60000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":9000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":30000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":30000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":470000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions":{"label":"Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions","description":"Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"DebtInstrument":[{"end":"2018-12-31","val":59,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":59,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":59,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":59,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":59,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":51,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":33,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":22,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":30,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":30,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":30,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":30,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":30,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":36,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":8,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":5,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":9,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}],"Debt_Instrument":[{"end":"2017-12-31","val":48,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q4I"},{"end":"2018-09-30","val":56,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"}]}},"DeferredCompensationLiabilityCurrent":{"label":"Deferred Compensation Liability, Current","description":"Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable within one year (or the operating cycle, if longer). Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.","units":{"USD":[{"end":"2017-12-31","val":2243000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":2429000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":2429000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":2553000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":2600000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":3200000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"DeferredCostsCurrentAndNoncurrent":{"label":"Deferred Costs","description":"The carrying amount of deferred costs.","units":{"USD":[{"end":"2018-09-30","val":413000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"}]}},"DeferredFederalIncomeTaxExpenseBenefit":{"label":"Deferred Federal Income Tax Expense (Benefit)","description":"Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-678000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":263000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":263000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":19000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":19000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":589000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"DeferredIncomeTaxExpenseBenefit":{"label":"Deferred Income Tax Expense (Benefit)","description":"Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":-4403000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":-3551000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-1000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-194000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":-517000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":-517000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":220000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":220000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-203000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-203000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":152000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":152000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":216000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":216000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":20000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":20000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":186000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":186000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":740000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":1814000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":1650000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":161000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"DeferredStateAndLocalIncomeTaxExpenseBenefit":{"label":"Deferred State and Local Income Tax Expense (Benefit)","description":"Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-178000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-43000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-43000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":1000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":1000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":127000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"DeferredTaxAssetsGross":{"label":"Deferred Tax Assets, Gross","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.","units":{"USD":[{"end":"2019-12-31","val":6138000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":5288000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsLiabilitiesNet":{"label":"Deferred Tax Assets, Net","description":"Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.","units":{"USD":[{"end":"2017-12-31","val":5971000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":6046000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":6046000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":5400000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":5400000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":4303000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsNet":{"label":"Deferred Tax Assets, Net of Valuation Allowance","description":"Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.","units":{"USD":[{"end":"2017-12-31","val":6797000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":6790000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":6790000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":6099000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":5400000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-06-30","val":4000000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":3000000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":3369000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":3400000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3400000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"DeferredTaxAssetsOperatingLossCarryforwards":{"label":"Deferred Tax Assets, Operating Loss Carryforwards","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.","units":{"USD":[{"end":"2017-12-31","val":4105000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":4080000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":4080000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":4743000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":4743000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":3492000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsOther":{"label":"Deferred Tax Assets, Other","description":"Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.","units":{"USD":[{"end":"2017-12-31","val":436000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":91000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":91000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":14000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":14000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":57000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsPropertyPlantAndEquipment":{"label":"Deferred Tax Assets, Property, Plant and Equipment","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.","units":{"USD":[{"end":"2017-12-31","val":274000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":262000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":262000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":11000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":11000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":6000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits":{"label":"Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits","description":"Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from employee benefits, classified as other.","units":{"USD":[{"end":"2017-12-31","val":227000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":229000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":229000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":136000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":136000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":122000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation":{"label":"Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation.","units":{"USD":[{"end":"2017-12-31","val":615000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":658000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":658000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":692000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":692000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":859000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses":{"label":"Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the provision for loan losses.","units":{"USD":[{"end":"2017-12-31","val":848000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":884000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":884000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":542000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":542000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":735000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross":{"label":"Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unrealized losses on available-for-sale securities.","units":{"USD":[{"end":"2017-12-31","val":292000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":586000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"}]}},"DeferredTaxAssetsValuationAllowance":{"label":"Deferred Tax Assets, Valuation Allowance","description":"Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.","units":{"USD":[{"end":"2017-12-31","val":4757000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":4757000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q4I"},{"end":"2020-06-30","val":150000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":934000000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":934000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":934000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":934000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"DeferredTaxLiabilities":{"label":"Deferred Tax Liabilities, Net","description":"Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.","units":{"USD":[{"end":"2017-12-31","val":826000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":744000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":744000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":699000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":738000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":985000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"DeferredTaxLiabilitiesMortgageServicingRights":{"label":"Deferred Tax Liabilities, Mortgage Servicing Rights","description":"Amount of deferred tax liability attributable to taxable temporary differences from mortgage servicing rights.","units":{"USD":[{"end":"2017-12-31","val":623000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":570000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":570000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":589000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":589000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":491000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"DeferredTaxLiabilitiesPropertyPlantAndEquipment":{"label":"Deferred Tax Liabilities, Property, Plant and Equipment","description":"Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.","units":{"USD":[{"end":"2019-12-31","val":39000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":420000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"DefinedBenefitPlanBenefitObligationBenefitsPaid":{"label":"Defined Benefit Plan, Benefit Obligation, Benefits Paid","description":"Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":92000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":111000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":111000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":56000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"DefinedContributionPlanCostRecognized":{"label":"Defined Contribution Plan, Cost","description":"Amount of cost for defined contribution plan.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":257000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":355000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":85000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":159000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":74000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":245000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":245000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":86000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":338000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":338000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":89000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":174000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":85000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":264000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":90000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":356000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":356000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":414000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"DepositLiabilitiesCollateralIssuedFinancialInstruments":{"label":"Deposit Liabilities, Collateral Issued, Financial Instruments","description":"Amount of securities, mortgage loans, or other financial instruments pledged as collateral for deposits.","units":{"USD":[{"end":"2018-12-31","val":9301000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":9301000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":2956000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":2956000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":3000000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":3000000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":3000000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2683000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3600000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2100000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2000000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":2000000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1800000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"DepositLiabilitiesReclassifiedAsLoansReceivable1":{"label":"Deposit Liabilities Reclassified as Loans Receivable","description":"Amount of deposits held by the entity that have been reclassified as loan balances receivable, for example, but not limited to, overdrafts receivable.","units":{"USD":[{"end":"2017-12-31","val":102000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":133000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":133000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":114000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":114000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":141000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"Deposits":{"label":"Deposits","description":"The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.","units":{"USD":[{"end":"2017-12-31","val":389291000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":389291000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":392296000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":406137000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":406137000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":406137000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":406137000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":406137000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":405665000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":398713000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":357975000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":344596000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":344596000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":344596000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":344596000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":344596000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":324222000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":350007000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":354985000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":379848000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":379848000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":377658000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"Depreciation":{"label":"Depreciation","description":"The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":522000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":691000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":160000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":318000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":488000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":488000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":663000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":663000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":172000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":172000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":342000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":342000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":512000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":512000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":695000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":695000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":167000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":167000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":329000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":494000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":661000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":167000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents":{"label":"Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents","description":"Amount classified as cash and cash equivalents attributable to disposal group held for sale or disposed of.","units":{"USD":[{"end":"2019-03-31","val":3490000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2020-03-31","val":3490000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"}]}},"DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent":{"label":"Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent","description":"Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2019-03-31","val":686000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2020-03-31","val":686000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"}]}},"EarningsPerShareBasic":{"label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","units":{"USD/shares":[{"start":"2019-01-01","end":"2019-03-31","val":-0.1,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-0.1,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-0.1,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":-0.1,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-0.01,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":-0.01,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":0.09,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":0.09,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0.1,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":0.1,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0.06,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":0.06,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0.11,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":0.04,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0.2,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":0.09,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":0.28,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0.11,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"EarningsPerShareBasicAndDiluted":{"label":"Earnings Per Share, Basic and Diluted","description":"The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2019-01-01","end":"2019-03-31","val":-0.1,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-0.1,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-0.1,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":-0.1,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-0.01,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":-0.01,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":0.09,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":0.09,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0.1,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":0.1,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0.06,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0.11,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":0.04,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0.2,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":0.09,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":0.28,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"EarningsPerShareDiluted":{"label":"Earnings Per Share, Diluted","description":"The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2019-01-01","end":"2019-03-31","val":-0.1,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-0.1,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-0.1,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":-0.1,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-0.01,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":-0.01,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":0.09,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":0.09,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0.1,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":0.1,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0.06,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":0.06,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0.11,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":0.04,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":0.2,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":0.09,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":0.28,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0.11,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"EffectiveIncomeTaxRateContinuingOperations":{"label":"Effective Income Tax Rate Reconciliation, Percent","description":"Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.","units":{"pure":[{"start":"2017-01-01","end":"2017-12-31","val":1.9201,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.9066,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":0.9066,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":-0.0205,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":-0.0205,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0.5688,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate":{"label":"Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent","description":"Percentage of domestic federal statutory tax rate applicable to pretax income (loss).","units":{"pure":[{"start":"2017-01-01","end":"2017-09-30","val":0.35,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":0.34,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":0.21,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":0.21,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0.21,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":0.21,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0.21,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance":{"label":"Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.","units":{"pure":[{"start":"2017-01-01","end":"2017-12-31","val":2.6383,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0.306,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"EffectiveIncomeTaxRateReconciliationOtherAdjustments":{"label":"Effective Income Tax Rate Reconciliation, Other Adjustments, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.","units":{"pure":[{"start":"2017-01-01","end":"2017-12-31","val":-0.0576,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-0.2041,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-0.2041,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0.0365,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":0.0365,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0.0803,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes":{"label":"Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).","units":{"pure":[{"start":"2017-01-01","end":"2017-12-31","val":0.0654,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0.1734,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":0.1734,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"EffectiveIncomeTaxRateReconciliationTaxExemptIncome":{"label":"Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes.","units":{"pure":[{"start":"2017-01-01","end":"2017-12-31","val":-1.1436,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018"}]}},"EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized":{"label":"Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount","description":"Amount of cost not yet recognized for nonvested award under share-based payment arrangement.","units":{"USD":[{"end":"2020-03-31","val":118,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":414000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":392000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":370000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":426000000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"EmployeeStockOwnershipPlanESOPCompensationExpense":{"label":"Employee Stock Ownership Plan (ESOP), Compensation Expense","description":"The amount of plan compensation cost recognized during the period.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":17000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":17000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":33000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":33000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":17000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":17000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":51000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":51000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":17000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":18000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":71000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":71000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":18000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":18000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":32000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":18000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":49000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":17000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":67000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":21000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"EmployeeStockOwnershipPlanESOPDeferredSharesFairValue":{"label":"Employee Stock Ownership Plan (ESOP), Deferred Shares, Fair Value","description":"Fair value of unearned shares held by the employee stock ownership plan (ESOP).","units":{"USD":[{"end":"2019-06-30","val":1612000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1641000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1817000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":1817000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":1817000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":1817000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":1817000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1316000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1501000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1512000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1608000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1608000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2275000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares":{"label":"Employee Stock Ownership Plan (ESOP), Number of Allocated Shares","description":"The shares or units in an ESOP trust that have been assigned to individual participant accounts based on a known formula. IRS rules require allocations to be nondiscriminatory generally based on compensation, length of service, or a combination of both. For any particular participant such shares or units may be vested, unvested, or partially vested.","units":{"shares":[{"end":"2019-12-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7021000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":7021000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":7021,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":7021,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":14042,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares":{"label":"Employee Stock Ownership Plan (ESOP), Number of Committed-to-be-Released Shares","description":"The shares that, although not legally released, will be released by a future scheduled and committed debt service payment and will be allocated to employees for service rendered in the current accounting period. The ESOP documents typically define the period of service to which the shares relate. ESOP shares are released to compensate employees directly, to settle employer liabilities for other employee benefits, and to replace dividends on allocated shares that are used for debt service.","units":{"shares":[{"end":"2019-06-30","val":3511000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2019-06-30","val":3511000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-06-30","val":3511,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q2I"},{"end":"2019-09-30","val":5266000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2019-09-30","val":1755,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3I"},{"end":"2019-12-31","val":7021000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":7021000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":7021,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1755000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2020-03-31","val":1755000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2020-03-31","val":1755,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2020-03-31","val":1755,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1755000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2020-06-30","val":1755,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1755,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":7021,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1755,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"EmployeeStockOwnershipPlanESOPSharesContributedToESOP":{"label":"Employee Stock Ownership Plan (ESOP), Shares Contributed to ESOP","description":"This item represents the number of shares provided to the Employee Stock Ownership Plan (ESOP) during the period.","units":{"shares":[{"start":"2019-01-01","end":"2019-03-31","val":175528000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":175528000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":175528000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":175528000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":175528000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":175528000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":175528000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":175528000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":175528000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"EmployeeStockOwnershipPlanESOPSharesInESOP":{"label":"Employee Stock Ownership Plan (ESOP), Shares in ESOP","description":"Sum of the allocated, committed-to-be-released and suspense shares of the entity held by the plan.","units":{"shares":[{"end":"2019-06-30","val":175528000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":175528000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":175528000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":175528000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":175528000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":175528,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":175528000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":175528000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":175528000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":175528,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":168507000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":175528,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":175528,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"EquipmentExpense":{"label":"Equipment Expense","description":"This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":1240000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":391000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":1635000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":419000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":823000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":404000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1243000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":1243000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":420000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":420000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1646000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":1646000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":458000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":458000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":877000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":877000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":419000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":419000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1269000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":1269000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":392000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":392000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1726000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":1726000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":373000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":373000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":697000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":324000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1016000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":319000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1361000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":373000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"EquitySecuritiesFvNi":{"label":"Equity Securities, FV-NI","description":"Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).","units":{"USD":[{"end":"2019-12-31","val":2553000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":2553000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":2553000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":2553000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2044000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2467000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2693000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2992000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":2992000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3146000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"EquitySecuritiesFvNiRealizedGainLoss":{"label":"Equity Securities, FV-NI, Realized Gain (Loss)","description":"Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":124000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-324000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":-324000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":89000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":315000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":614000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":154000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"FairValueDisclosureOffbalanceSheetRisksAmountLiability":{"label":"Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability","description":"The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.","units":{"USD":[{"end":"2017-12-31","val":62474000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":70578000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":62474000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2018-12-31","val":67669000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":67669000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":67669000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":67669000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q4I"},{"end":"2019-03-31","val":67592000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":83281000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":88474000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"}]}},"FederalDepositInsuranceCorporationPremiumExpense":{"label":"Federal Deposit Insurance Corporation Premium Expense","description":"Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":192000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":63000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":253000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":78000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":163000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":85000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":290000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":127000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":388000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":388000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":93000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":93000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":139000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":139000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":46000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":46000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-12-31","val":84000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":84000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":19000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":19000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":50000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":31000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":81000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":31000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":112000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":33000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"FederalFundsSold":{"label":"Federal Funds Sold","description":"The amount outstanding of funds lent to other depository institutions, securities brokers, or securities dealers in the form of Federal Funds sold; for example, immediately available funds lent under agreements or contracts that mature in one business day or roll over under a continuing contract, regardless of the nature of the transaction or the collateral involved, excluding overnight lending for commercial and industrial purposes. Also include Federal Funds sold under agreements to resell on a gross basis, excluding (1) sales of term Federal Funds, (2) due bills representing purchases of securities or other assets by the reporting bank that have not yet been delivered and similar instruments, (3) resale agreements that mature in more than one business day involving assets other than securities, and (4) yield maintenance dollar repurchase agreements.","units":{"USD":[{"end":"2018-09-30","val":172000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":141000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":141000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":141000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":141000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":141000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2143000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":4116000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":77000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":200000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":200000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":200000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":200000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":200000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1448000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2042000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":856000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":4549000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":4549000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1496000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds":{"label":"Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds","description":"Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).","units":{"USD":[{"end":"2017-12-31","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":800000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":800000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":800000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":208413000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":121086000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":192547000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":107019000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":107019000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":107000000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":107000000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":107000000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":63643000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":46700000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":76300000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":79600000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":79600000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":83000000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate":{"label":"Federal Home Loan Bank, Advance, Maturity, after Year Five","description":"Amount of advance from Federal Home Loan Bank (FHLBank) maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":496000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":448000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":448000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":421000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":448000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":10394000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":30858000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":36422000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":36423000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":34364000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":34365000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate":{"label":"Federal Home Loan Bank, Advance, Maturity, Year Five","description":"Amount of advance from Federal Home Loan Bank (FHLBank) maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":46000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":49000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":49000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":51000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":49000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":53000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1044000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2032000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2032000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2059000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2059000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate":{"label":"Federal Home Loan Bank, Advance, Maturity, Year Two","description":"Amount of advance from Federal Home Loan Bank (FHLBank) maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":17036000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":39000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":39000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":41000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":39000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":7042000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":8002000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":12956000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":12956000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":8481000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":8481000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate":{"label":"Federal Home Loan Bank, Advance, Maturity, Year Four","description":"Amount of advance from Federal Home Loan Bank (FHLBank) maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":7042000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":46000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":46000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":47000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":46000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":49000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7530000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":8507000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":8507000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2032000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2032000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate":{"label":"Federal Home Loan Bank, Advance, Maturity, Year Three","description":"Amount of advance from Federal Home Loan Bank (FHLBank) maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":39000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":7042000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":7042000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":7044000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7042000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":46000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7516000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":8481000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":8481000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":8506000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":8506000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankAdvancesMaturitiesSummaryDueInRemainderOfFiscalYear":{"label":"Federal Home Loan Bank, Advance, Maturity, Remainder of Fiscal Year","description":"Amount of advance from Federal Home Loan Bank (FHLBank) maturing in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":12009000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":22386000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":17027000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":5038000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":9000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":39000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":664000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":969000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":485000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"}]}},"FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate":{"label":"Federal Home Loan Bank, Advance, Maturity, Year One","description":"Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2020-12-31","val":12956000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":12469000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankAdvancesWeightedAverageInterestRate":{"label":"Federal Home Loan Bank, Advances, Weighted Average Interest Rate","description":"Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank).","units":{"pure":[{"end":"2018-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"}]}},"FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingAfterRollingYearFive":{"label":"Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Maturing after Rolling Year Five","description":"Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank) maturing after the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"pure":[{"end":"2018-09-30","val":0.0747,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.0747,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.0747,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.0747,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.0747,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.0127,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.0112,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.0108,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.0108,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.0107,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.0107,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInNextTwelveRollingMonths":{"label":"Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Maturing in Next Twelve Rolling Months","description":"Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank) maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"pure":[{"end":"2018-09-30","val":0.0239,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.0158,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.0125,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.0153,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.0747,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.0747,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.0133,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.0125,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.0125,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.0095,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.0126,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearFive":{"label":"Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Maturing in Rolling Year Five","description":"Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank) maturing in the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"pure":[{"end":"2018-09-30","val":0.0747,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.0747,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.0747,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.0747,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.0747,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.0747,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.0137,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.0128,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.0128,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.013,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.013,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearFour":{"label":"Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Maturing in Rolling Year Four","description":"Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank) maturing in the fourth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"pure":[{"end":"2018-09-30","val":0.0145,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.0747,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.0747,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.0747,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.0747,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.0747,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.0136,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.0154,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.0154,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.0128,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.0128,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearThree":{"label":"Federal Home Loan Bank Advances, Weighted Average Interest Rate, Maturing in Rolling Year Three","description":"Weighted average interest rate on advances made and reported by Federal Home Loan Bank maturing in the third rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"pure":[{"end":"2018-09-30","val":0.0747,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.0145,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.0145,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.0145,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.0145,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.0747,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.0134,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.0154,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.0154,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.0154,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.0154,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearTwo":{"label":"Federal Home Loan Bank Advances, Weighted Average Interest Rate, Maturing in Rolling Year Two","description":"Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank) maturing in the second rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"pure":[{"end":"2018-09-30","val":0.0125,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.0747,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.0747,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.0747,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.0747,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.0145,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.014,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.0095,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.0095,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.0154,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.0146,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FederalHomeLoanBankStock":{"label":"Federal Home Loan Bank Stock","description":"Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).","units":{"USD":[{"end":"2017-12-31","val":1436000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":1436000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":1525000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1261000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":1261000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":1261000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":1261000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":1261000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":984000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":913000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":913000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":913000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":913000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":913000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":913000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":913000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2503000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3033000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":3032000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":3032000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":3032000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3032000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment":{"label":"Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment","description":"The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.","units":{"USD":[{"end":"2017-12-31","val":2863000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":2863000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":3230000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3250000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":3250000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":3250000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":3250000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":3250000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3414000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":3156000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2987000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1933000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":1933000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":1933000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":1933000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":1933000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1941000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2047000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2645000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2703000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":2703000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2699000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1":{"label":"Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment","description":"Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.","units":{"USD":[{"end":"2017-12-31","val":230000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":230000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":12000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":12000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":12000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":12000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":12000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":12000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":12000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":31000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":31000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":67000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":67000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":67000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":67000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":67000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":67000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":67000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FinancingReceivableAllowanceForCreditLossesRecovery":{"label":"Financing Receivable, Allowance for Credit Loss, Recovery","description":"Amount of increase in allowance for credit loss on financing receivable from recovery.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":95000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":47000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":122000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":15000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":33000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":18000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":267000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":234000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":293000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":293000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":293000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":202000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":202000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":227000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":227000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":25000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":25000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":239000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":239000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":12000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":336000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":336000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":13000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":13000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":119000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":106000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":217000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":98000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":271000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":12000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"FinancingReceivableAllowanceForCreditLossesWriteOffs":{"label":"Financing Receivable, Allowance for Credit Loss, Writeoff","description":"Amount of writeoff of financing receivable, charged against allowance for credit loss.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":34000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":26000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":37000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":5000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":34000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":29000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":118000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":84000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":124000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":124000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":124000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":38000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":38000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":302000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":302000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":264000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":264000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":483000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":483000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":181000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":566000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":566000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":5000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":5000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":5000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":67000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":62000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":68000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":16000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"FinancingReceivableCollectivelyEvaluatedForImpairment":{"label":"Financing Receivable, Collectively Evaluated for Impairment","description":"The balance of financing receivables that were collectively evaluated for impairment.","units":{"USD":[{"end":"2017-12-31","val":329293000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":329293000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":370440000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":370212000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":370212000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":370212000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":370212000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":370212000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":360701000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":341732000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":323786000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":304329000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":304329000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":304329000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":304329000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":304329000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":297283000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":310985000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":319842000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":320593000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":320593000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":319533000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FinancingReceivableIndividuallyEvaluatedForImpairment":{"label":"Financing Receivable, Individually Evaluated for Impairment","description":"The balance of financing receivables that were individually evaluated for impairment.","units":{"USD":[{"end":"2017-12-31","val":4417000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":4417000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":2260000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2377000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":2377000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":2377000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":2377000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":2377000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2340000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1492000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3726000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":8041000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":8041000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":8041000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":8041000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":8041000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7386000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":12771000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":12073000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":11005000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":11005000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":10461000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FinancingReceivableModificationsNumberOfContracts2":{"label":"Financing Receivable, Modifications, Number of Contracts","description":"Number of financing receivables that have been modified by troubled debt restructurings.","units":{"Contract":[{"start":"2017-01-01","end":"2017-12-31","val":10,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":8,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"}]}},"FinancingReceivableModificationsPostModificationRecordedInvestment2":{"label":"Financing Receivable, Troubled Debt Restructuring, Postmodification","description":"Amount, after troubled debt restructuring, of modified financing receivable.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"FinancingReceivableModificationsRecordedInvestment":{"label":"Financing Receivable, Troubled Debt Restructuring","description":"Amount of financing receivable modified as troubled debt restructuring.","units":{"USD":[{"end":"2017-12-31","val":1558000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q4I"},{"end":"2018-09-30","val":1138000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"}]}},"FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1":{"label":"Financing Receivable, Troubled Debt Restructuring, Subsequent Default","description":"Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing":{"label":"Financing Receivable, 90 Days or More Past Due, Still Accruing","description":"Amount of financing receivable 90 days or more past due and still accruing.","units":{"USD":[{"end":"2017-12-31","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":0,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FinancingReceivableRecordedInvestmentCurrent":{"label":"Financing Receivable, Not Past Due","description":"Amount of financing receivable not past due.","units":{"USD":[{"end":"2017-12-31","val":330527000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":330527000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":371598000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":370495000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":370495000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":370495000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":370495000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":370495000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":361189000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":342256000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":326473000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":310433000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":310433000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":310433000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":310433000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":310433000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":302741000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":322267000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":331144000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":330359000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":330359000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":329043000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FinancingReceivableRecordedInvestmentNonaccrualStatus":{"label":"Financing Receivable, Nonaccrual","description":"Amount of financing receivable on nonaccrual status.","units":{"USD":[{"end":"2017-12-31","val":1887000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":1887000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":1632000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1555000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":1555000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":1555000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":1555000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":1555000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1749000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1530000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1475000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2013000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":2013000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":2013000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":2013000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":2013000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1621000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1863000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1417000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1287000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1287000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1245000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FinancingReceivableRecordedInvestmentPastDue":{"label":"Financing Receivable, Past Due","description":"Amount of financing receivable past due.","units":{"USD":[{"end":"2017-12-31","val":3183000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q4I"},{"end":"2018-09-30","val":1102000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2094000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":2094000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":2094000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1852000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":968000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1039000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1937000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":1937000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":1937000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1928000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1489000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":771000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1239000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":951000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown":{"label":"Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down","description":"Reflects the amount of the write-down related to a troubled debt restructuring.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":378000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":378000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":97000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":97000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":97000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-01-01","end":"2018-12-31","val":97000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-12-31","val":97000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":97000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":97000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":31000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":31000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":67000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":67000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-12-31","val":67000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-12-31","val":67000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":67000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":67000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":67000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":5000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive":{"label":"Finite-Lived Intangible Asset, Expected Amortization, after Year Five","description":"Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":457000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":161000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":162000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":173000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":168000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":166000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":148000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":121000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":123000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":137000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":164000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year One","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2019-12-31","val":459000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-12-31","val":382000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":454000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.","units":{"USD":[{"end":"2018-09-30","val":187000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":444000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":447000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":478000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":465000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2020-03-31","val":409000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":335000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":341000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearFive":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Five","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":335000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":331000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":333000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":356000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":347000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":342000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":305000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":250000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":254000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":285000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":338000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearFour":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Four","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":360000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":361000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":364000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":389000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":378000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":373000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":333000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":273000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":278000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":311000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":369000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearThree":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Three","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":386000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":389000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":391000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":418000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":407000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":401000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":358000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":294000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":299000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":334000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":397000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Two","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":412000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":417000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":420000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":449000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":436000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":431000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":383000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":314000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":320000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":357000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":425000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"FiniteLivedIntangibleAssetsNet":{"label":"Finite-Lived Intangible Assets, Net","description":"Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2018-09-30","val":2137000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2103000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2117000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2263000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2201000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2172000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1936000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1587000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1615000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1806000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2147000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ForeclosedAssets":{"label":"Repossessed Assets","description":"Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts.","units":{"USD":[{"end":"2017-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":0,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2018-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-06-30","val":134000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"GainLossOnContractTermination":{"label":"Gain (Loss) on Contract Termination","description":"Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":120000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":120000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":158000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":158000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":158000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":158000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":158000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":158000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"}]}},"GainLossOnSaleOfInvestments":{"label":"Gain (Loss) on Sale of Investments","description":"The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.","units":{"USD":[{"start":"2018-01-01","end":"2018-03-31","val":21000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":67000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":46000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":67000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":67000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":67000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":67000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2020-01-01","end":"2020-03-31","val":7000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":7000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":7000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1022000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":1014000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1023000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":12000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"GainLossOnSaleOfMortgageLoans":{"label":"Gain (Loss) on Sale of Mortgage Loans","description":"The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":584000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":772000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":220000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":379000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":585000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":585000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":707000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":707000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":124000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":124000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":142000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":90000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":423000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":423000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":716000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":716000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":654000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":654000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1728000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":2665000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":3499000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":567000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"GainLossOnSaleOfPropertyPlantEquipment":{"label":"Gain (Loss) on Disposition of Property Plant Equipment","description":"Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-1095000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":-8000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":-22000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-22000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":97000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":97000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":97000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":97000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":96000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":96000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":96000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":96000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-33000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":-33000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-33000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":-33000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":-33000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"GainLossOnSalesOfLoansNet":{"label":"Gain (Loss) on Sales of Loans, Net","description":"The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":584000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":221000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":772000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":220000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":437000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":217000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":574000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":574000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":137000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":137000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":707000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":707000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":124000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":124000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-90000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":-90000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":-214000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":-214000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":423000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":423000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":513000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":513000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":715000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":715000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":654000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":654000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1728000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":1075000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":2665000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":936000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":3499000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":567000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"GainsLossesOnSalesOfOtherRealEstate":{"label":"Gains (Losses) on Sales of Other Real Estate","description":"The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession.","units":{"USD":[{"start":"2019-01-01","end":"2019-12-31","val":84000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":6000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"ImpairedFinancingReceivableAverageRecordedInvestment":{"label":"Impaired Financing Receivable, Average Recorded Investment","description":"Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":4865000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":4865000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":2319000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":2552000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":2552000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-01-01","end":"2018-12-31","val":2552000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-12-31","val":2552000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":2552000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2353000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2224000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":2174000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":3582000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":3582000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-12-31","val":3582000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-12-31","val":3582000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":3582000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":7504000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":8261000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":9106000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":9704000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":9704000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":10709000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ImpairedFinancingReceivableInterestIncomeAccrualMethod":{"label":"Impaired Financing Receivable, Interest Income, Accrual Method","description":"Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":255000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":255000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":52000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":70000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":70000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-01-01","end":"2018-12-31","val":70000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-12-31","val":70000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":70000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":14000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":30000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":43000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":128000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":128000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-12-31","val":128000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-12-31","val":128000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":128000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":170000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":287000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":637000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":774000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":774000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":85000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ImpairedFinancingReceivableRecordedInvestment":{"label":"Impaired Financing Receivable, Recorded Investment","description":"Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.","units":{"USD":[{"end":"2017-12-31","val":4417000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":4417000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":2260000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2377000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":2377000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":2377000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":2377000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":2377000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2340000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1492000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3726000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":8041000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":8041000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":8041000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":8041000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":8041000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7386000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":12771000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":12073000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":11005000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":11005000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":10461000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ImpairedFinancingReceivableRelatedAllowance":{"label":"Impaired Financing Receivable, Related Allowance","description":"Amount of allowance for credit losses related to recorded investment.","units":{"USD":[{"end":"2017-12-31","val":230000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":230000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":12000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":12000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":12000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":12000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":12000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":12000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":12000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":31000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":31000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":67000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":67000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":67000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":67000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":67000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":67000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":67000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":369000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":369000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ImpairedFinancingReceivableUnpaidPrincipalBalance":{"label":"Impaired Financing Receivable, Unpaid Principal Balance","description":"Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.","units":{"USD":[{"end":"2017-12-31","val":4706000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":4706000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":2537000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2693000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":2693000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":2693000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":2693000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":2693000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2674000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1843000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4099000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":8405000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":8405000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":8405000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":8405000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":8405000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7687000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":13072000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":12364000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":11119000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":10581000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment":{"label":"Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment","description":"Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":4471000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":4471000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":2247000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":2274000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":2274000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-01-01","end":"2018-12-31","val":2274000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-12-31","val":2274000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":2274000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2256000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2138000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":2157000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":3523000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":3523000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-12-31","val":3523000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-12-31","val":3523000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":3523000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":7437000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":8194000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":9053000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":9664000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":9664000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":10709000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod":{"label":"Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method","description":"Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":240000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":240000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":52000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":67000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":67000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-01-01","end":"2018-12-31","val":67000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-12-31","val":67000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":67000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":14000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":30000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":43000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":128000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":128000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-12-31","val":128000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-12-31","val":128000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":128000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":170000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":287000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":637000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":774000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":774000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":85000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment":{"label":"Impaired Financing Receivable, with No Related Allowance, Recorded Investment","description":"Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.","units":{"USD":[{"end":"2017-12-31","val":4039000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":4039000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":2163000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2280000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":2280000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":2280000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":2280000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":2280000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2243000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1461000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3695000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":7974000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":7974000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":7974000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":7974000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":7974000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7319000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":12704000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":12068000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":11005000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":11005000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":10461000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance":{"label":"Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance","description":"Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses.","units":{"USD":[{"end":"2017-12-31","val":4314000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":4314000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":2440000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2596000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":2596000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":2596000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":2596000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":2596000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2577000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1812000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4068000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":8337000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":8337000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":8337000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":8337000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":8337000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7619000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":13004000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":12358000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":11119000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":11119000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":10581000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment":{"label":"Impaired Financing Receivable, with Related Allowance, Average Recorded Investment","description":"Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":394000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":394000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":272000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":278000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":278000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-01-01","end":"2018-12-31","val":278000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-12-31","val":278000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":278000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":97000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":86000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":17000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":59000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":59000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-12-31","val":59000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-12-31","val":59000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":59000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":67000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":67000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":53000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":40000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod":{"label":"Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method","description":"Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":15000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":15000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":6000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":3000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":3000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-01-01","end":"2018-12-31","val":3000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-12-31","val":3000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":3000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment":{"label":"Impaired Financing Receivable, with Related Allowance, Recorded Investment","description":"Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.","units":{"USD":[{"end":"2017-12-31","val":378000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":378000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":97000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":97000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":97000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":97000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":97000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":97000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":97000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":31000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":31000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":67000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":67000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":67000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":67000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":67000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":67000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":67000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":40000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance":{"label":"Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance","description":"Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses.","units":{"USD":[{"end":"2017-12-31","val":392000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":392000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":97000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":97000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":97000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":97000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":97000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":97000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":97000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":31000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":31000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":68000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":68000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":68000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":68000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":68000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":68000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":68000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":6000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest","description":"Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":709000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":271000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-1803000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":143000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-517000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":-660000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-264000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":-264000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":253000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":253000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-196000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-196000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-680000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-680000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-782000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":-782000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":-102000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":-102000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-211000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":-211000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":571000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":571000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":440000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":440000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":434000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":434000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":853000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":419000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":2470000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":1617000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":3053000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":682000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"IncomeTaxExpenseBenefit":{"label":"Income Tax Expense (Benefit)","description":"Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":-4503000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":86000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-3462000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":13000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-194000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":-207000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-186000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":-186000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":8000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":8000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-177000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-177000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-209000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-209000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-302000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":-302000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":-93000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":-93000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-167000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":-167000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":135000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":135000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-9000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":-9000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":147000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":147000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":372000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":225000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1577000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":1205000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1736000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":161000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability":{"label":"Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability","description":"Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-4757000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018"},{"start":"2020-01-01","end":"2020-12-31","val":934000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"IncomeTaxesPaidNet":{"label":"Income Taxes Paid, Net","description":"The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":16000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2019-01-01","end":"2019-12-31","val":-209000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":-209000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":-5000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance":{"label":"Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-4757000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2020-01-01","end":"2020-12-31","val":934000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate":{"label":"Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount","description":"The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-613000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-41000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-41000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":92000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":92000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":641000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"IncomeTaxReconciliationOtherAdjustments":{"label":"Effective Income Tax Rate Reconciliation, Other Adjustments, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":104000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":40000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":40000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":16000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":16000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":245000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"IncomeTaxReconciliationStateAndLocalIncomeTaxes":{"label":"Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-118000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-34000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-34000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"}]}},"IncomeTaxReconciliationTaxExemptIncome":{"label":"Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-2062000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"}]}},"IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance":{"label":"Increase (Decrease) in Advance Payments by Borrowers for Taxes and Insurance","description":"Amount of increase (decrease) in prepayments received from borrowers for taxes and insurance remitted to the appropriate tax authority or insurer on behalf of the borrower.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":9347000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":-912000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":4004000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":6982000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":10186000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":10186000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":855000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":855000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3093000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":3093000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":7899000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":7899000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":10830000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":10830000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":441000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":441000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":3741000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":3741000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":8942000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":9747000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":1056000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":3360000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"IncreaseDecreaseInDeferredCharges":{"label":"Increase (Decrease) in Deferred Charges","description":"The increase (decrease) during the reporting period in the value of expenditures made during the current reporting period for benefits that will be received over a period of years. Deferred charges differ from prepaid expenses in that they usually extend over a long period of time and may or may not be regularly recurring costs of operation.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":48000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":48000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":48000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":37000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":37000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":31000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"IncreaseDecreaseInDeposits":{"label":"Increase (Decrease) in Deposits","description":"The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":18043000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":30409000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":9107000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":15269000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":3005000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":3005000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":16846000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":16846000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3018000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":3018000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-7424000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":-7424000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":-48162000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":-48162000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":-61541000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":-61541000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-20374000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":-20374000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":5411000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":10389000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":35252000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-2190000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"IncreaseDecreaseInIncomeTaxes":{"label":"Increase (Decrease) in Income Taxes","description":"The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes, and in deferred and other tax liabilities and assets.","units":{"USD":[{"start":"2018-01-01","end":"2018-09-30","val":4317000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":78000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3"}]}},"IncreaseDecreaseInInsuranceSettlementsReceivable":{"label":"Increase (Decrease) in Insurance Settlements Receivable","description":"The increase (decrease) during the reporting period in insurance settlements receivable, which are amounts due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. The expectation is that such reimbursement will be received within one year of the balance sheet date.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":308000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":411000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":99000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":199000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":-430000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":-430000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":404000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":404000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":100000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":100000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":101000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":201000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":199000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":199000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":399000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":399000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":99000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":99000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":198000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":299000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":400000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":100000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"InterestAndDividendIncomeOperating":{"label":"Interest and Dividend Income, Operating","description":"Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":11271000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":3771000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":15256000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":3906000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":8013000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":4107000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":12249000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":12249000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":4236000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":4236000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":16753000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":16753000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":4445000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":4445000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":8807000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":8807000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":4362000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":4362000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":13186000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":13186000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":4379000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":4379000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":17235000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":17235000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":3861000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":3861000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":7446000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":3586000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":11385000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":3938000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":15393000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":3617000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"InterestAndFeeIncomeLoansAndLeases":{"label":"Interest and Fee Income, Loans and Leases","description":"The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":9669000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":3234000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":13076000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":3401000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":7087000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":3686000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":10906000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":10906000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":3819000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":3819000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":14997000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":14997000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3988000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":3988000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":7859000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":7859000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":3871000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":3871000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":11699000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":11699000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":3840000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":3840000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":15305000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":15305000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":3413000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":3413000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":6610000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":3197000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":10228000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":3617000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":13959000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":3294000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"InterestBearingDomesticDepositBrokered":{"label":"Interest-bearing Domestic Deposit, Brokered","description":"Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities.","units":{"USD":[{"end":"2019-12-31","val":29600000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":29600000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q4I"},{"end":"2020-06-30","val":10500000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":10500000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5500000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":498000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"InterestBearingDomesticDepositCertificatesOfDeposits":{"label":"Interest-bearing Domestic Deposit, Certificates of Deposits","description":"Amount of interest-bearing domestic certificate of deposit liabilities.","units":{"USD":[{"end":"2017-12-31","val":186243000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":186243000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":187524000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":182277000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":182277000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":182277000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":182277000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":182277000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":217227000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":194577000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":155985000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":142416000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":142416000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":142416000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":142416000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":142416000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":122144000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":104074000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":90731000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":87629000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":87629000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":81908000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"InterestBearingDomesticDepositDemand":{"label":"Interest-bearing Domestic Deposit, Demand","description":"Amount of money in interest-bearing domestic accounts that entitle the depositor to withdraw funds at any time without prior notice, also known as demand deposits.","units":{"USD":[{"end":"2017-12-31","val":26649000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":26649000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":26755000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":25556000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":25556000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":25556000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":25556000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":25556000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":25681000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":25480000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":26073000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":25432000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":25432000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":25432000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":25432000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":25432000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":24905000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":27237000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":28986000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":30630000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":30630000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":33693000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"InterestBearingDomesticDepositMoneyMarket":{"label":"Interest-bearing Domestic Deposit, Money Market","description":"Amount of interest-bearing domestic money market demand account deposit liabilities.","units":{"USD":[{"end":"2017-12-31","val":55016000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":55016000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":61485000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":59071000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":59071000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":59071000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":59071000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":59071000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":57425000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":69132000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":67325000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":65999000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":65999000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":65999000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":65999000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":65999000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":68055000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":80301000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":86831000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":103724000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":103724000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":102663000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"InterestBearingDomesticDepositSavings":{"label":"Interest-bearing Domestic Deposit, Savings","description":"Amount of interest-bearing domestic savings deposit liabilities. Saving deposits bear interest and have no stated maturity.","units":{"USD":[{"end":"2017-12-31","val":58566000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":58566000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":56559000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":53245000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":53245000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":53245000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":53245000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":53245000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":51004000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":51162000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":49610000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":47981000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":47981000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":47981000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":47981000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":47981000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":48963000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":54576000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":57334000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":58895000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":58895000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":64610000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"InterestExpense":{"label":"Interest Expense","description":"Amount of the cost of borrowed funds accounted for as interest expense.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":2441000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":850000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":3361000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":939000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1948000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":1009000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3048000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":3048000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":1100000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":1100000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":4233000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":4233000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1303000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":1303000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2639000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":2639000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":1336000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":1336000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":3900000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":3900000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":1261000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":1261000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4933000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":4933000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":960000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":960000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1774000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":815000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":2462000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":687000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":3041000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":456000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"InterestExpenseBorrowings":{"label":"Interest Expense, Borrowings","description":"Aggregate amount of interest expense on all borrowings.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":353000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":101000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":468000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":144000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":277000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":133000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":394000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":394000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":117000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":117000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":542000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":542000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":123000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":123000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":185000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":185000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":62000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":62000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":236000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":236000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":51000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":51000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":291000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":291000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":110000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":110000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":309000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":200000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":516000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":207000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":721000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":200000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"InterestExpenseDeposits":{"label":"Interest Expense, Deposits","description":"Aggregate amount of interest expense on all deposits.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":2088000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":749000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":2893000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":795000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1671000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":876000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":2654000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":2654000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":983000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":983000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":3691000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":3691000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1180000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":1180000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2454000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":2454000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":1274000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":1274000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":3664000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":3664000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":1210000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":1210000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4642000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":4642000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":850000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":850000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1465000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":615000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1946000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":480000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":2320000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":256000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"InterestExpenseDomesticDepositLiabilitiesCertificatesOfDeposit":{"label":"Interest Expense Domestic Deposit Liabilities, Certificates of Deposit","description":"Amount of interest expense on domestic certificates of deposit liabilities.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":2622000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":3141000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":3141000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":3802000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":3802000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":1768000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"InterestExpenseDomesticDepositLiabilitiesChecking":{"label":"Interest Expense Domestic Deposit Liabilities, Checking","description":"Amount of interest expense on domestic checking deposit liabilities.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":31000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":52000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":52000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":59000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":59000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":46000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"InterestExpenseDomesticDepositLiabilitiesMoneyMarket":{"label":"Interest Expense Domestic Deposit Liabilities, Money Market","description":"Amount of interest expense on domestic money market demand account deposit liabilities.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":179000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":424000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":424000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":715000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":715000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":448000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"InterestExpenseDomesticDepositLiabilitiesSavings":{"label":"Interest Expense Domestic Deposit Liabilities, Savings","description":"Amount of interest expense on domestic savings deposit liabilities.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":61000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":74000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":74000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":66000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":66000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":58000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"InterestIncomeExpenseAfterProvisionForLoanLoss":{"label":"Interest Income (Expense), after Provision for Loan Loss","description":"Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":8830000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":2921000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":11895000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":2967000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":6065000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":3098000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":9201000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":9201000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":3136000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":3136000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":12520000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":12520000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3142000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":3142000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":6168000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":6168000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":3026000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":3026000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":9286000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":9286000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":3118000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":3118000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":13334000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":13334000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":2901000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":2901000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":5672000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":2771000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":8423000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":2751000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":11852000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":3161000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"InterestIncomeExpenseNet":{"label":"Interest Income (Expense), Net","description":"The net amount of operating interest income (expense).","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":8830000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":2921000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":11895000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":2967000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":6065000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":3098000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":9201000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":9201000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":3136000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":3136000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":12520000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":12520000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3142000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":3142000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":6168000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":6168000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":3026000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":3026000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":9286000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":9286000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":3118000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":3118000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":12302000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":12302000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":2901000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":2901000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":5672000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":2771000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":8923000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":3251000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":12352000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":3161000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"InterestIncomeSecuritiesTaxable":{"label":"Interest Income, Securities, Operating, Taxable","description":"Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities subject to state, federal and other income tax.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":1577000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":520000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":2102000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":494000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":905000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":411000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":1312000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":1312000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":407000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":407000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":1711000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":1711000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":392000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":392000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":792000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":792000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":400000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":400000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":1198000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":1198000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":406000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":406000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1588000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":1588000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":407000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":407000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":788000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":381000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1092000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":304000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1349000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":267000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"InterestPaidNet":{"label":"Interest Paid, Excluding Capitalized Interest, Operating Activities","description":"Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":2410000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":3298000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":939000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1942000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":3045000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":3045000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":4201000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":4021000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1172000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":1172000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2436000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":2436000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":3853000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":3853000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":4920000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":4920000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":952000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":952000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1843000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":2639000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":3242000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":496000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"InterestPayableCurrentAndNoncurrent":{"label":"Interest Payable","description":"Amount of interest payable on debt, including, but not limited to, trade payables.","units":{"USD":[{"end":"2017-12-31","val":340000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":340000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":343000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":372000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":372000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":372000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":372000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":372000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":503000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":575000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":419000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":385000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":385000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":385000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":385000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":385000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":372000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":275000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":208000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":183000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":183000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":143000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"InterestReceivable":{"label":"Interest Receivable","description":"Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.","units":{"USD":[{"end":"2017-12-31","val":1214000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":1214000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":1223000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1106000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":1106000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":1106000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":1106000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":1106000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1170000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1120000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1034000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":963000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":963000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":963000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":963000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":963000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":970000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":909000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":997000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":912000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":912000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":852000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"LaborAndRelatedExpense":{"label":"Labor and Related Expense","description":"Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":5769000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":1876000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":8648000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":2087000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":4949000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":2862000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":7182000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":7182000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":2233000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":2233000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":9505000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":9505000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":2427000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":2427000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":4730000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":4730000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":2303000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":2303000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":7011000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":7011000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":2281000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":2281000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":9571000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":9571000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1684000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":1684000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":4087000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":2403000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":6506000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":2419000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":9674000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":2455000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"LeaseAndRentalExpense":{"label":"Operating Leases, Rent Expense","description":"Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":203,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":218,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":218000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":223000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":223000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":93000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"Liabilities":{"label":"Liabilities","description":"Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.","units":{"USD":[{"end":"2017-12-31","val":429367000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":429367000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":445095000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":442918000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":442918000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":442918000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":442918000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":442918000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":440260000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":425794000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":382722000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":369344000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":369344000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":369344000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":369344000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":369344000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":389240000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":434697000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":445212000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":456749000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":456749000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":457117000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"LiabilitiesAndStockholdersEquity":{"label":"Liabilities and Equity","description":"Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.","units":{"USD":[{"end":"2017-12-31","val":468361000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":468361000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":482844000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":481099000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":481099000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":481099000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":481099000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":481099000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":496951000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":483309000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":441187000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":428009000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":428009000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":428009000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":428009000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":428009000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":447911000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":495216000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":504852000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":516757000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":516757000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":517116000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"LoanProcessingFee":{"label":"Loan Processing Fee","description":"Expenses paid for obtaining loans which includes expenses such as application and origination fees.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":829000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":283000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":1031000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":206000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":359000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":153000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":546000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":546000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":187000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":187000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":744000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":744000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":206000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":206000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":403000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":403000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":197000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":197000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":574000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":574000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":171000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":171000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":795000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":795000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":183000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":183000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":367000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":184000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":573000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":206000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":761000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":197000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"LoansAndLeasesReceivableAllowance":{"label":"Loans and Leases Receivable, Allowance","description":"Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.","units":{"USD":[{"end":"2016-12-31","val":3008000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2016-12-31","val":3008000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2016Q4I"},{"end":"2017-06-30","val":3048000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q2I"},{"end":"2017-09-30","val":3069000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3093000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":3093000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2017-12-31","val":3093000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2017-12-31","val":3093000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2017-12-31","val":3093000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2017-12-31","val":3093000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3103000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-03-31","val":3103000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q1I"},{"end":"2018-06-30","val":3092000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2018-06-30","val":3092000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2I"},{"end":"2018-09-30","val":3242000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3262000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":3262000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":3262000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":3262000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":3262000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2018-12-31","val":3262000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2018-12-31","val":3262000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2018-12-31","val":3262000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2018-12-31","val":3262000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3426000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2019-03-31","val":3426000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2019-03-31","val":3426000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-03-31","val":3426000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q1I"},{"end":"2019-06-30","val":3187000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2019-06-30","val":3187000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-06-30","val":3187000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3018000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2019-09-30","val":3018000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2000000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":2000000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":2000000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":2000000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":2000000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2019-12-31","val":2000000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2008000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2020-03-31","val":2008000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2020-03-31","val":2008000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2114000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2020-06-30","val":2114000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2650000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2703000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":2703000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2699000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"LoansAndLeasesReceivableGrossCarryingAmount":{"label":"Loans and Leases Receivable, Gross","description":"Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.","units":{"USD":[{"end":"2017-12-31","val":333710000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":333710000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":372700000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":372589000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":372589000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":372589000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":372589000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":372589000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":363041000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":343224000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":327512000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":312370000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":312370000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":312370000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":312370000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":312370000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":304669000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":323756000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":331915000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":331598000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":331598000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":329994000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"LoansAndLeasesReceivableNetReportedAmount":{"label":"Loans and Leases Receivable, Net Amount","description":"Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.","units":{"USD":[{"end":"2017-12-31","val":331206000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":331206000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":369973000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":369830000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":369830000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":369830000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":369830000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":369830000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":360083000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":340431000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":324812000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":310674000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":310674000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":310674000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":310674000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":310674000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":302968000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":321034000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":328820000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":329073000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":329073000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":327565000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"LoansAndLeasesReceivableRatioOfNonperformingLoansToAllLoans":{"label":"Loans and Leases Receivable, Ratio of Nonperforming Loans to All Loans","description":"Reflects the percentage derived from dividing impaired loans on which interest has ceased to be accrued by total loans.","units":{"pure":[{"end":"2017-12-31","val":0.0057,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":0.0057,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0.0044,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.0042,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":0.0042,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":0.0042,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":0.0042,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":0.0042,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.0048,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.0045,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.0045,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.0064,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0.0064,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0.0064,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0.0064,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0.0064,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.0053,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.0057,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.0043,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.0039,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.0039,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.0038,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"LoansAndLeasesReceivableRelatedParties":{"label":"Loans and Leases Receivable, Related Parties","description":"For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.","units":{"USD":[{"end":"2016-12-31","val":2004000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2016-12-31","val":2004000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1477000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":1477000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2017-12-31","val":1477000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2017-12-31","val":1477000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2017-12-31","val":1477000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2017-12-31","val":1477000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2017Q4I"},{"end":"2018-09-30","val":1337000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1289000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":1289000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":1289000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":1289000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":1289000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2018-12-31","val":1289000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2018-12-31","val":1289000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2018-12-31","val":1289000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2018-12-31","val":1289000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1237000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1379000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1185000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1172000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":1172000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":1172000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":1172000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":1172000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2019-12-31","val":1172000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1099000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2020-03-31","val":1172000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1063000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1044000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1034000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1034000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":984000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"LoansAndLeasesReceivableRelatedPartiesAdditions":{"label":"Loans and Leases Receivable, Related Parties, Additions","description":"Reflects the amount of new advances made to related parties in the form of loan and lease receivables.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":202000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":202000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":62000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":62000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":62000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-01-01","end":"2018-12-31","val":62000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-12-31","val":62000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":62000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":340000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":357000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":378000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":378000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-12-31","val":378000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-12-31","val":378000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":378000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":4000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":4000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":38000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":512000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":512000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":11000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"LoansAndLeasesReceivableRelatedPartiesProceeds":{"label":"Loans and Leases Receivable, Related Parties, Proceeds","description":"Amount of cash inflow from related parties which reduce the amount of loans and leases receivable due from related parties.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":729000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":729000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":202000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":250000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":250000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-01-01","end":"2018-12-31","val":250000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-12-31","val":250000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":250000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":52000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":250000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":461000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":495000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":495000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-12-31","val":495000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-12-31","val":495000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":495000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":77000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":113000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":166000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":650000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":650000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":61000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"LoansPledgedAsCollateral":{"label":"Loans Pledged as Collateral","description":"Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.","units":{"USD":[{"end":"2017-12-31","val":137400000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":137357000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":129076000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":151708000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":151708000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":151708000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":151708000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":151708000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":151093000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":150505000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":133946000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":125483000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":125483000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":125500000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":125500000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":125500000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":120114000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":117100000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":146200000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":149100000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":149100000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":152000000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"LoansReceivableFairValueDisclosure":{"label":"Loans Receivable, Fair Value Disclosure","description":"Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.","units":{"USD":[{"end":"2017-12-31","val":148000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":148000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":85000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":85000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":85000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":85000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":85000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":85000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":85000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"}]}},"LoansReceivableHeldForSaleAmount":{"label":"Financing Receivable, Held-for-Sale","description":"Amount, before valuation allowance, of financing receivable classified as held-for-sale.","units":{"USD":[{"end":"2017-12-31","val":217000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":217000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":901000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":771000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":771000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":771000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":771000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":771000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1233000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":3616000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":3995000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":685000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":685000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":685000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":685000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":685000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1248000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":5598000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5062000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2484000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":2484000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2828000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"LoansReceivableNet":{"label":"Loans Receivable, Net (Deprecated 2019-01-31)","description":"Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes loans held for sale. Excludes loans and leases covered under loss sharing agreements.","units":{"USD":[{"end":"2017-12-31","val":333710000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":333710000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":372700000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":372589000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":372589000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":372589000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q4I"},{"end":"2019-03-31","val":363041000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":343224000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"}]}},"MarketableSecurities":{"label":"Marketable Securities","description":"Amount of investment in marketable security.","units":{"USD":[{"end":"2019-12-31","val":2553000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":2553000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":2553000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":2553000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":2553000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":2044000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":2467000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":2693000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":2992000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":2992000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":3146000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"MarketableSecuritiesUnrealizedGainLoss":{"label":"Marketable Securities, Unrealized Gain (Loss)","description":"Amount of unrealized gain (loss) on investment in marketable security.","units":{"USD":[{"start":"2019-01-01","end":"2019-12-31","val":142000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":561000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"MarketingAndAdvertisingExpense":{"label":"Marketing and Advertising Expense","description":"The total expense recognized in the period for promotion, public relations, and brand or product advertising.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":77000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":33000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":182000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":12000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":53000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":41000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":89000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":89000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":36000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":36000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":121000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":121000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":56000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":56000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":100000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":100000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":44000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":44000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":135000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":135000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":35000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":35000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":199000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":199000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":32000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":32000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":72000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":40000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":103000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":31000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":110000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":18000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"MortgageLoansInProcessOfForeclosureAmount":{"label":"Mortgage Loans in Process of Foreclosure, Amount","description":"Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.","units":{"USD":[{"end":"2018-12-31","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q4I"},{"end":"2019-09-30","val":142000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"}]}},"MortgageServicingRightsMSRImpairmentRecovery":{"label":"Mortgage Servicing Rights (MSR) Impairment (Recovery)","description":"The adjustment to the carrying value of the rights retained or purchased to service mortgages. These adjustments are made when the estimate of the fair value is changed. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.","units":{"USD":[{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-06-30","val":570000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":575000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":369000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"NetCashProvidedByUsedInFinancingActivities":{"label":"Net Cash Provided by (Used in) Financing Activities","description":"Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":13867000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":15966000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":15103000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":15235000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":15166000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":15166000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":13018000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":13018000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":19026000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":19026000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1381000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":1381000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":-41435000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":-41435000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":-55213000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":-55213000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":21358000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":21358000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":65866000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":70373000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":86030000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":669000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"NetCashProvidedByUsedInInvestingActivities":{"label":"Net Cash Provided by (Used in) Investing Activities","description":"Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":-6167000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":-11575000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-16764000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-18906000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":-19258000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":-19258000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":-16909000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-16909000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":8872000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":8872000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":29923000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":29923000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":46602000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":46602000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":58051000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":58051000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":10097000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":10097000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-4534000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":-528000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":-6431000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-8606000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"NetCashProvidedByUsedInOperatingActivities":{"label":"Net Cash Provided by (Used in) Operating Activities","description":"Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":1318000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":327000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-2646000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-831000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":551000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":551000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":-683000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-683000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-1138000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-1138000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-3067000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":-3067000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":-2734000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":-2734000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":946000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":946000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-1254000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":-1254000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-4320000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":-2654000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":1220000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-1108000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"NetIncomeLoss":{"label":"Net Income (Loss) Attributable to Parent","description":"The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":5212000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":185000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":1659000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":130000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-323000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":-453000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-78000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":-78000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":245000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":245000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-19000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-19000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-471000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-471000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-03-31","val":-471000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-03-31","val":-471000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-480000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":-480000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":-9000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":-9000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":-9000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-44000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":-44000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":436000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":436000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":449000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":449000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":287000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":287000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-03-31","val":287000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-03-31","val":287000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":481000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":194000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":194000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":893000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":412000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1317000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":521000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"NoninterestBearingDepositLiabilities":{"label":"Noninterest-bearing Deposit Liabilities","description":"The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.","units":{"USD":[{"end":"2017-12-31","val":62817000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":62817000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":59973000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":85988000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":85988000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":85988000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":85988000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":85988000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":54328000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":58362000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":58982000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":62768000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":62768000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":62768000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":62768000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":62768000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":60155000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":83819000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":91103000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":98970000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":98970000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":94784000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"NoninterestExpense":{"label":"Noninterest Expense","description":"Total aggregate amount of all noninterest expense.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":10326000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":3390000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":16590000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":3510000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":8065000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":4555000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":11742000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":11742000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":3677000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":3677000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":15655000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":15655000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":4572000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":4572000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":8352000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":8352000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":3780000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":3780000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":11910000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":11910000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":3558000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":3558000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":16122000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":16038000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":3073000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":3073000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":7048000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":3975000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":10941000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":3893000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":15679000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4089000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"NoninterestIncome":{"label":"Noninterest Income","description":"The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":2205000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":740000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":2892000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":686000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1483000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":797000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":2277000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":2277000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":794000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":794000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":2939000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":2939000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":750000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":750000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1402000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":1402000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":652000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":652000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":2413000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":2413000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":1011000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":1011000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":3228000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":3144000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":606000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":606000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2229000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":1623000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":4988000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":2759000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":6880000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1610000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"NoninterestIncomeOtherOperatingIncome":{"label":"Noninterest Income, Other Operating Income","description":"Amount of revenue earned, classified as other, excluding interest income.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":50000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":15000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":63000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":11000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":33000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":22000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":178000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":58000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":145000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":25000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":59000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":59000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":118000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":118000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":136000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":136000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":18000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":18000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":146000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":146000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":10000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":10000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":68000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":68000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-343000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":-19000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":72000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":415000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":312000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":241000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":598000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"NotesReceivableNet":{"label":"Financing Receivable, after Allowance for Credit Loss","description":"Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.","units":{"USD":[{"end":"2018-12-31","val":372589000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":372589000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-09-30","val":327512000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":312370000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":312370000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":312370000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":312370000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":312370000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":304669000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":323756000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":331915000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":331598000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":331598000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":329994000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"OperatingLeasesFutureMinimumPaymentsDue":{"label":"Operating Leases, Future Minimum Payments Due","description":"Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.","units":{"USD":[{"end":"2018-12-31","val":325000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-12-31","val":113000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueCurrent":{"label":"Operating Leases, Future Minimum Payments Due, Next Twelve Months","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2018-12-31","val":224000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-12-31","val":93000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-12-31","val":20000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInThreeYears":{"label":"Operating Leases, Future Minimum Payments, Due in Three Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2018-12-31","val":20000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInTwoYears":{"label":"Operating Leases, Future Minimum Payments, Due in Two Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2018-12-31","val":81000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-12-31","val":20000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"}]}},"OtherAssets":{"label":"Other Assets","description":"Amount of assets classified as other.","units":{"USD":[{"end":"2017-12-31","val":9173000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":9173000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":10101000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":10811000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":10811000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":10811000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":10811000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":10811000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":10794000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":9742000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":9228000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":9754000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":7201000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":7201000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":7201000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":7201000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7629000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":6632000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":5543000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5469000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":5469000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":6406000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent":{"label":"Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent","description":"Amount before tax of other comprehensive income (loss) attributable to parent entity.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":893000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":-226000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-8000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-1015000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-1342000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":-374000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-1600000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":-1600000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":-258000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":-258000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-1089000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-1089000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":969000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":969000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2065000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":2065000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":1096000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":1096000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":2744000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":2744000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":679000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":679000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":2315000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":2315000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-170000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":-170000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2333000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":2503000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1552000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":-781000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1412000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-813000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"OtherComprehensiveIncomeLossNetOfTax":{"label":"Other Comprehensive Income (Loss), Net of Tax","description":"Amount after tax and reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":545000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":-138000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-5000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-741000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-981000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":-273000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-1168000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":-1168000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":-188000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":-188000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-794000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-794000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":707000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":707000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1507000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":1507000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":800000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":800000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":2003000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":2003000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":496000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":496000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1690000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":1690000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-124000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":-124000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1703000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":1827000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":1133000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":-570000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1031000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-594000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent":{"label":"Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent","description":"Amount after tax of other comprehensive income (loss) attributable to parent entity.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-5000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":-794000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-794000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":707000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":707000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-03-31","val":707000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-03-31","val":707000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1507000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":800000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":800000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":2003000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":496000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1690000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":1690000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-124000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":-124000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-03-31","val":-124000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-03-31","val":-124000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-04-01","end":"2020-06-30","val":1827000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":1827000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":-570000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1031000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-594000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax":{"label":"Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax","description":"Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.","units":{"USD":[{"start":"2018-01-01","end":"2018-03-31","val":21000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":67000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":46000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":67000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":67000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":67000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":67000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2020-01-01","end":"2020-03-31","val":7000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":7000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":7000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":1022000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":1014000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1023000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":12000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"OtherComprehensiveIncomeLossTax":{"label":"Other Comprehensive Income (Loss), Tax","description":"Amount of tax expense (benefit) allocated to other comprehensive income (loss).","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":18000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":18000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":276000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"OtherComprehensiveIncomeLossTaxPortionAttributableToParent1":{"label":"Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent","description":"Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":348000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":-88000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-3000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-274000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-361000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":-101000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-432000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":-432000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":-70000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":-70000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-295000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-295000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":262000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":262000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":558000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":558000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":296000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":296000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":741000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":741000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":183000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":183000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":625000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":625000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-46000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":-46000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":630000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":676000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":419000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":-211000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":381000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-219000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax":{"label":"OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax","description":"Amount, before tax and adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":893000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":-226000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-8000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-994000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-1275000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":-328000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-1533000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":-1533000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":-258000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":-258000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-1022000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-1022000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":969000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":969000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2065000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":2065000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":1096000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":1096000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":2744000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":2744000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":679000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":679000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":2315000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":2315000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-163000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":-163000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2340000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":2503000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":2574000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":233000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":2435000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-801000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"OtherForeclosedAssets":{"label":"Other Repossessed Assets","description":"Carrying amount as of the balance sheet date of assets other than real property that were received in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance.","units":{"USD":[{"end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"}]}},"OtherInterestAndDividendIncome":{"label":"Other Interest and Dividend Income","description":"Amount, after discount, accretion and premium amortization, of interest income and dividend income classified as other.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":25000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":17000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":78000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":11000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":21000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":10000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":31000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":31000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":10000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":10000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":45000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":45000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":65000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":65000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":156000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":156000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":91000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":91000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":289000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":289000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":133000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":133000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":342000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":342000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":41000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":41000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":48000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":8000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":65000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":17000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":85000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":56000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"OtherLiabilities":{"label":"Other Liabilities","description":"Amount of liabilities classified as other.","units":{"USD":[{"end":"2017-12-31","val":4658000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":4658000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":5217000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":5159000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":5159000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":5159000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":5159000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":5159000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":5108000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":4725000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":4625000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":5059000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":5059000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":5059000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":5059000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":5059000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3610000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":4425000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":9707000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":5583000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":5583000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":5307000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"OtherNoninterestExpense":{"label":"Other Noninterest Expense","description":"Amount of noninterest expense classified as other.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":2213000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":745000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":3746000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":707000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1717000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":1010000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":2385000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":2675000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":668000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":795000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":3251000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":3251000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1325000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":1325000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2088000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":2088000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":763000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":763000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":3007000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":3007000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":780000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":780000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":3747000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":3747000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":791000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":791000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1783000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":992000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":2670000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":887000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":3667000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1013000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"PaymentsForOriginationOfMortgageLoansHeldForSale":{"label":"Payments for Origination of Mortgage Loans Held-for-sale","description":"The amount of cash paid for the origination of mortgages that are held for sale.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":47796000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":62012000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":15390000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":31127000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":44173000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":44173000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":55882000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":55882000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":17201000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":17201000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":32126000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":32126000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":65629000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":65629000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":112070000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":112070000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":27365000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":27365000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":103968000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":158442000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":195425000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":40153000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"PaymentsForProceedsFromFederalHomeLoanBankStock":{"label":"Payments for (Proceeds from) Federal Home Loan Bank Stock","description":"Amount of cash outflow (inflow) from acquisition (sale) of Federal Home Loan Bank (FHLBank) stock.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":-733000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":-734000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":90000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":382000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":89000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":89000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":-175000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-175000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-277000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-277000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-348000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":-348000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":-348000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":-348000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":-348000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":-348000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1590000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":1590000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2120000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":2119000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":2119000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"PaymentsForProceedsFromLoansAndLeases":{"label":"Payments for (Proceeds from) Loans and Leases","description":"The net cash outflow or inflow for the increase (decrease) in the beginning and end of period of loan and lease balances which are not originated or purchased specifically for resale. Includes cash payments and proceeds associated with (a) loans held-for-investment, (b) leases held-for-investment, and (c) both.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":13880000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":18683000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":27842000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":36821000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":38767000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":38767000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":38624000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":38624000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-9747000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-9747000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-29265000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":-29265000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":-44884000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":-44884000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":-60054000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":-60054000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-7582000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":-7582000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":10360000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":18646000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":18899000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-1508000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"PaymentsForRepurchaseOfEquity":{"label":"Payments for Repurchase of Equity","description":"The cash outflow to reacquire common and preferred stock.","units":{"USD":[{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":231000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":1024000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":1053000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":15000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"PaymentsToAcquireAvailableForSaleSecurities":{"label":"Payments to Acquire Available-for-sale Securities","description":"The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":2083000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":5037000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2019-01-01","end":"2019-06-30","val":6068000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":6068000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":6743000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":6743000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":13901000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":13901000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":50517000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":59857000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":13158000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"PaymentsToAcquirePropertyPlantAndEquipment":{"label":"Payments to Acquire Property, Plant, and Equipment","description":"The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":405000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":522000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":686000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":686000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":1187000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":1187000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-09-30","val":1408000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":668000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019"}]}},"ProceedsFromDivestitureOfBusinessesNetOfCashDivested":{"label":"Proceeds from Divestiture of Businesses, Net of Cash Divested","description":"This element represents the cash inflow during the period from the sale of a component of the entity.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":-3490000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-3490000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"}]}},"ProceedsFromFederalHomeLoanBankBorrowings":{"label":"Proceeds from FHLBank Borrowings, Financing Activities","description":"Amount of cash inflow from Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":5000000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1992000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-09-30","val":2000000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":2000000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":10000000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":10000000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":38000000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":38000000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":52000000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":52000000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":52000000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ProceedsFromIssuanceOfCommonStock":{"label":"Proceeds from Issuance of Common Stock","description":"The cash inflow from the additional capital contribution to the entity.","units":{"USD":[{"start":"2018-08-15","end":"2018-09-05","val":21500000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-08-15","end":"2018-09-05","val":21500000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-08-15","end":"2018-09-05","val":21500000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3I"},{"end":"2019-01-08","val":21500000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2018Q4I"},{"start":"2019-01-01","end":"2019-03-31","val":18274000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":18274000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":20029000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":20029000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":20029000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":20029000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":20029000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":20029000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"}]}},"ProceedsFromLifeInsurancePolicies":{"label":"Proceeds from Life Insurance Policy","description":"Amount of cash inflow for proceeds from settlement of corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy.","units":{"USD":[{"start":"2018-01-01","end":"2018-12-31","val":856000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":856000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-06-30","val":772000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":772000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":772000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":772000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":872000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":872000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities":{"label":"Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale","description":"Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":9468000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":11933000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":1753000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":4171000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":5892000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":5892000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":7479000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":7479000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":1942000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":1942000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":5266000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":5266000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":6885000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":6885000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":10308000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":10308000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":3961000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":3961000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":7825000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":51697000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":55217000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":2052000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ProceedsFromSaleOfAvailableForSaleSecurities":{"label":"Proceeds from Sale of Available-for-sale Securities","description":"The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.","units":{"USD":[{"start":"2018-01-01","end":"2018-03-31","val":9518000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":14392000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":4875000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":14392000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":14392000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":14392000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":14392000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2020-01-01","end":"2020-03-31","val":279000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":279000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":279000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":19283000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":19005000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":19515000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":1018000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ProceedsFromSaleOfForeclosedAssets":{"label":"Proceeds from Sale of Foreclosed Assets","description":"The cash inflow from the sale assets received in full or partial satisfaction of a receivable including real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. Foreclosed assets also include loans that are treated as if the underlying collateral had been foreclosed because the institution has taken possession of the collateral, even though legal foreclosure or repossession proceedings have not taken place.","units":{"USD":[{"start":"2019-01-01","end":"2019-09-30","val":237000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":237000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":237000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":237000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"}]}},"ProceedsFromSaleOfMortgageLoansHeldForSale":{"label":"Proceeds from Sale of Mortgage Loans Held-for-sale","description":"The cash inflow from sales of loans that are secured with real estate mortgages and are held with the intention to resell in the near future.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":48859000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":63046000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":13220000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":30553000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":44074000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":44074000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":56035000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":56035000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":16863000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":16863000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":29191000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":29191000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":62828000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":62828000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":112872000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":112872000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":27580000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":27580000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":100783000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":156730000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":197125000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":40376000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ProceedsFromSaleOfPropertyPlantAndEquipment":{"label":"Proceeds from Sale of Property, Plant, and Equipment","description":"The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.","units":{"USD":[{"start":"2019-01-01","end":"2019-09-30","val":1627000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":1627000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":801000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":801000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"}]}},"ProfitLoss":{"label":"Net Income (Loss), Including Portion Attributable to Noncontrolling Interest","description":"The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":5212000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":1659000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":130000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-323000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":-78000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":-78000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":-19000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-19000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-471000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-471000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-480000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":-480000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":-44000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":-44000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":449000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":449000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":287000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":287000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":481000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":893000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":1317000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":521000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"PropertyPlantAndEquipmentGross":{"label":"Property, Plant and Equipment, Gross","description":"Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.","units":{"USD":[{"end":"2017-12-31","val":17532000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-12-31","val":18142000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":18142000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-12-31","val":15668000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":15668000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-12-31","val":14846000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"}]}},"PropertyPlantAndEquipmentNet":{"label":"Property, Plant and Equipment, Net","description":"Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.","units":{"USD":[{"end":"2017-12-31","val":7661000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":7661000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":7851000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":8163000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":8163000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":8163000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":8163000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":8163000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":7692000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":7578000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7528000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":6681000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":6681000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":6681000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":6681000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":6681000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":6616000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":6477000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":6380000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":6275000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":6275000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":6134000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ProvisionForLoanAndLeaseLosses":{"label":"Provision for Loan and Lease Losses","description":"Amount of expense related to estimated loss from loan and lease transactions.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":0,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-1032000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":-1032000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":500000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":500000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":500000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty":{"label":"Related Party Transaction, Expenses from Transactions with Related Party","description":"Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":52000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-07-01","end":"2017-09-30","val":10000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":63000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":13000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":21000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":8000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":33000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":33000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":12000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-07-01","end":"2018-09-30","val":12000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":47000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":47000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":12000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":12000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":21000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":21000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":9000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":9000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":29000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":29000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":8000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":8000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":43000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":43000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":7000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":7000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":15000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":8000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":21000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":6000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":30000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":6000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"RepaymentsOfFederalHomeLoanBankBorrowings":{"label":"Payments of FHLBank Borrowings, Financing Activities","description":"Amount of cash outflow for repayment of Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":13523000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":18531000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-06-30","val":7016000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":25000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":25000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":4683000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":4683000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":5359000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":5359000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":17368000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":17368000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":22377000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":22377000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":22387000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":22387000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":9000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":9000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":256000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":739000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":1225000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":486000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"RetainedEarningsAccumulatedDeficit":{"label":"Retained Earnings (Accumulated Deficit)","description":"The cumulative amount of the reporting entity's undistributed earnings or deficit.","units":{"USD":[{"end":"2017-12-31","val":39782000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":39783000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":39705000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":39764000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":39764000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":39764000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":39764000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":39764000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":39293000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":39284000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":39720000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":40213000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":40213000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":40213000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":40213000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":40213000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":40500000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":40694000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":41106000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":41530000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":41530000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":42051000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ServicingAssetAtAmortizedValue":{"label":"Servicing Asset at Amortized Cost","description":"Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.","units":{"USD":[{"end":"2016-12-31","val":2421000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2016-12-31","val":2421000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2016Q4I"},{"end":"2017-09-30","val":2320000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3I"},{"end":"2017-12-31","val":2270000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":2270000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2017-12-31","val":2270000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2017-12-31","val":2270000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2017-12-31","val":2270000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2017-12-31","val":2270000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2017Q4I"},{"end":"2018-03-31","val":2189000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-03-31","val":2189000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q1I"},{"end":"2018-06-30","val":2163000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2137000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":2103000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":2103000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":2103000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":2103000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":2103000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2018-12-31","val":2103000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2018-12-31","val":2103000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2018-12-31","val":2103000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2018-12-31","val":2103000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-03-31","val":2117000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2019-03-31","val":2117000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2019-03-31","val":2117000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-03-31","val":2117000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2263000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2019-06-30","val":2263000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-06-30","val":2263000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2201000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2019-09-30","val":2201000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2172000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":2172000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":2172000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":2172000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":2172000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2019-12-31","val":2172000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1936000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2020-03-31","val":1936000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2020-03-31","val":1936000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1587000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2020-06-30","val":1587000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1615000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1806000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1806000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2147000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ServicingAssetAtAmortizedValueAdditions":{"label":"Servicing Asset at Amortized Cost, Additions","description":"Amount of additions from purchases, assumption or transfer to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":168000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":199000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":32000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":81000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":49000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":131000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":168000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":168000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":168000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":79000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":79000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":329000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":329000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":250000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":250000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":406000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":406000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":77000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":527000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":527000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":99000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":99000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":346000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":247000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":578000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":232000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":770000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":203000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ServicingAssetAtAmortizedValueAmortization1":{"label":"Servicing Asset at Amortized Cost, Amortization","description":"Amount of amortization of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":269000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":350000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":113000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":188000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-04-01","end":"2018-06-30","val":75000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":264000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":335000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":335000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":335000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":65000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":65000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":169000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":169000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":104000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":104000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":308000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":308000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":139000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":458000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":458000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":118000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":118000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":361000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":243000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":560000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":199000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":767000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":231000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ServicingAssetAtAmortizedValueDisposals":{"label":"Servicing Asset at Amortized Cost, Disposals","description":"Amount conveyed to unrelated parties of contract to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"}]}},"ServicingAssetAtAmortizedValueFairValue":{"label":"Servicing Asset at Amortized Cost, Fair Value","description":"Fair value of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.","units":{"USD":[{"end":"2016-12-31","val":3422000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2016Q4I"},{"end":"2017-09-30","val":2320000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2017Q3I"},{"end":"2017-12-31","val":3158000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2017-12-31","val":3158000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2017-12-31","val":3158000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2017-12-31","val":3158000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2017-12-31","val":3158000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2017Q4I"},{"end":"2018-03-31","val":3109000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-03-31","val":3109000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q1I"},{"end":"2018-06-30","val":3008000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2018Q2I"},{"end":"2018-09-30","val":2137000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":3371000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":3371000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":3371000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":3371000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":3371000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2018-12-31","val":3371000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2018-12-31","val":3371000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2018-12-31","val":3371000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-03-31","val":3386000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2019-03-31","val":3386000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2019-03-31","val":3386000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q1I"},{"end":"2019-06-30","val":2891000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2019-06-30","val":2891000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-06-30","val":2891000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2407000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2019-09-30","val":2407000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2404000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":2404000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":2404000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":2404000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":2404000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2019-12-31","val":2404000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1958000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2020-03-31","val":1958000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2020-03-31","val":1958000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1587000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2020-06-30","val":1587000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1615000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1806000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1806000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2153000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ServicingAssetAtAmortizedValueValuationAllowance":{"label":"Servicing Asset at Amortized Cost, Increase (Decrease) for Valuation Allowance Adjustment","description":"Amount of increase (decrease) in the amortized amount from a decrease (increase) in the valuation allowance applied to the servicing asset for a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.","units":{"USD":[{"start":"2017-01-01","end":"2017-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-09-30","val":0,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-217000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":217000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-570000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":-353000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-575000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":-5000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":369000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-369000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensation":{"label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":33000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":33000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":51000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":51000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":71000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":71000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":18000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":18000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":32000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":49000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":67000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":21000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period","description":"The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.","units":{"shares":[{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value","description":"Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.","units":{"USD/shares":[{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period","description":"The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).","units":{"shares":[{"start":"2020-01-01","end":"2020-03-31","val":23845,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":84949,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":84949,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":84949,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":11436,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value","description":"The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).","units":{"USD/shares":[{"start":"2020-01-01","end":"2020-03-31","val":7.88,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":7.92,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":7.87,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":7.87,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":10.21,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number","description":"The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.","units":{"shares":[{"end":"2019-12-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":23845,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":84949,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":84949,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":84949,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":84949,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":91615,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value","description":"Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.","units":{"USD/shares":[{"end":"2019-12-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7.88,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":7.92,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":7.87,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":7.87,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":7.87,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":8.16,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period","description":"The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.","units":{"shares":[{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4770,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value","description":"The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.","units":{"USD/shares":[{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":7.88,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price","description":"Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.","units":{"USD/shares":[{"end":"2020-03-31","val":1.84,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1I"},{"end":"2020-12-31","val":1.98,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2.76,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate","description":"The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.","units":{"pure":[{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate","description":"The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.","units":{"pure":[{"start":"2020-01-01","end":"2020-03-31","val":0.223,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-12-31","val":0.24,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0.2464,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate","description":"The risk-free interest rate assumption that is used in valuing an option on its own shares.","units":{"pure":[{"start":"2020-01-01","end":"2020-03-31","val":0.0055,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-12-31","val":0.0045,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0.0096,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number","description":"The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.","units":{"shares":[{"end":"2020-03-31","val":59615,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price","description":"The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.","units":{"USD/shares":[{"end":"2020-03-31","val":7.88,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period","description":"The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.","units":{"shares":[{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value","description":"The grant-date intrinsic value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.","units":{"USD/shares":[{"start":"2020-01-01","end":"2020-06-30","val":263575,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":394444,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":451154,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross","description":"Gross number of share options (or share units) granted during the period.","units":{"shares":[{"start":"2020-01-01","end":"2020-03-31","val":59615,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":218115,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":218115,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":218115,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":28350,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value","description":"The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.","units":{"USD/shares":[{"start":"2021-01-01","end":"2021-03-31","val":2.76,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value","description":"Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.","units":{"USD":[{"end":"2020-06-30","val":263575,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":394444,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":451154,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":451154,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1498801,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number","description":"Number of options outstanding, including both vested and non-vested options.","units":{"shares":[{"end":"2019-12-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":59615,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":218115,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":218115,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":218115,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":218115,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":246465,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price","description":"Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.","units":{"USD/shares":[{"end":"2019-12-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":7.88,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":7.89,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":7.89,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":7.89,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":7.89,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":8.16,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price","description":"Weighted average price at which option holders acquired shares when converting their stock options into shares.","units":{"USD/shares":[{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price","description":"Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.","units":{"USD/shares":[{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price","description":"Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.","units":{"USD/shares":[{"start":"2020-01-01","end":"2020-03-31","val":7.88,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":7.89,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":7.89,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":7.89,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":10.21,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value","description":"Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.","units":{"USD":[{"end":"2021-03-31","val":75804,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares","description":"Number of non-vested options outstanding.","units":{"shares":[{"end":"2020-12-31","val":218115,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":234542,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares","description":"Number of non-vested options forfeited.","units":{"shares":[{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value","description":"Weighted average grant-date fair value of non-vested options forfeited.","units":{"USD/shares":[{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price","description":"Weighted average grant-date fair value of non-vested options outstanding.","units":{"USD/shares":[{"end":"2020-12-31","val":1.98,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":2.06,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value","description":"Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.","units":{"USD":[{"start":"2020-01-01","end":"2020-12-31","val":431000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value","description":"Weighted average grant-date fair value of options vested.","units":{"USD/shares":[{"start":"2021-01-01","end":"2021-03-31","val":1.83,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"SharesIssued":{"label":"Shares, Issued","description":"Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.","units":{"shares":[{"end":"2019-01-08","val":2682172000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"}]}},"SharesIssuedPricePerShare":{"label":"Shares Issued, Price Per Share","description":"Per share or per unit amount of equity securities issued.","units":{"USD/shares":[{"end":"2018-09-05","val":10,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"}]}},"StockholdersEquity":{"label":"Stockholders' Equity Attributable to Parent","description":"Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.","units":{"USD":[{"end":"2016-12-31","val":37340000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2016Q4I"},{"end":"2017-12-31","val":38994000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":38994000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2017-12-31","val":38994000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2017Q4I"},{"end":"2018-09-30","val":37749000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":38181000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":38181000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":38181000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":38181000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":38181000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2018-12-31","val":38181000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2018-12-31","val":38181000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2018-12-31","val":38181000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2018-12-31","val":38181000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2018Q4I"},{"end":"2019-03-31","val":56691000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2019-03-31","val":56691000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-03-31","val":56691000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-03-31","val":56691000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q1I"},{"end":"2019-06-30","val":57515000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2019-06-30","val":57515000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-06-30","val":57515000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q2I"},{"end":"2019-09-30","val":58465000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2019-09-30","val":58465000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3I"},{"end":"2019-12-31","val":58665000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":58665000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":58665000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":58665000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":58665000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2019-12-31","val":58665000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2019Q4I"},{"end":"2020-03-31","val":58671000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2020-03-31","val":58671000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2020-03-31","val":58671000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2020-03-31","val":58671000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1I"},{"end":"2020-06-30","val":60519000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2020-06-30","val":60519000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q2I"},{"end":"2020-09-30","val":59640000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":60008000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":60008000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":59999000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"StockIssuedDuringPeriodSharesStockOptionsExercised":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period","description":"Number of share options (or share units) exercised during the current period.","units":{"shares":[{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"StockIssuedDuringPeriodValueEmployeeStockPurchasePlan":{"label":"Stock Issued During Period, Value, Employee Stock Purchase Plan","description":"Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":1755000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":1755000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-03-31","val":1755000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-03-31","val":1755000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":1755000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":1755000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":1755000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":1755000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"}]}},"StockIssuedDuringPeriodValueNewIssues":{"label":"Stock Issued During Period, Value, New Issues","description":"Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":20029000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":20029000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-03-31","val":20029000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-03-31","val":20029000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":20029000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":20029000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":20029000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":20029000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"}]}},"StockRepurchasedDuringPeriodShares":{"label":"Stock Repurchased During Period, Shares","description":"Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.","units":{"shares":[{"start":"2020-04-01","end":"2020-06-30","val":25476000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":25476,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":81249,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"}]}},"StockRepurchasedDuringPeriodValue":{"label":"Stock Repurchased During Period, Value","description":"Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.","units":{"USD":[{"start":"2020-04-01","end":"2020-06-30","val":231000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":231000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q2"},{"start":"2020-07-01","end":"2020-09-30","val":793000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":1053000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"TangibleAssetImpairmentCharges":{"label":"Tangible Asset Impairment Charges","description":"The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":1095000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":8000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":8000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":8000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":90000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":90000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"}]}},"TierOneLeverageCapital":{"label":"Banking Regulation, Tier One Leverage Capital, Actual","description":"Amount of Tier 1 leverage capital as defined by regulatory framework.","units":{"USD":[{"end":"2017-12-31","val":37961000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":37961000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":38522000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":39217000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":39217000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":39217000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":39217000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":39217000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":48615000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":48321000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":48615000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":48316000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":48316000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":48316000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":48316000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":48316000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":48642000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":49571000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":51320000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":52237000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":52237000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":53159000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TierOneLeverageCapitalRequiredForCapitalAdequacy":{"label":"Banking Regulation, Tier One Leverage Capital, Capital Adequacy, Minimum","description":"Amount of minimum Tier 1 leverage capital required for capital adequacy as defined by regulatory framework.","units":{"USD":[{"end":"2017-12-31","val":25197000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":25197000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":29351000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":28717000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":28717000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":28717000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":28717000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":28717000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":28946000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":28752000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":27915000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":27362000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":27362000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":27362000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":27362000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":27362000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":27033000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":26445000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":25809000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":26177000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":26177000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":25781000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets":{"label":"Banking Regulation, Tier One Leverage Capital Ratio, Capital Adequacy, Minimum","description":"Ratio of minimum Tier 1 leverage capital to average assets required for capital adequacy as defined by regulatory framework.","units":{"pure":[{"end":"2017-12-31","val":0.08,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":0.08,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0.08,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.08,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":0.08,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":0.08,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":0.08,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":0.08,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.08,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.08,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.08,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.08,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0.08,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0.08,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0.08,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0.08,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.08,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.08,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.08,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.08,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.08,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.08,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TierOneLeverageCapitalRequiredToBeWellCapitalized":{"label":"Banking Regulation, Tier One Leverage Capital, Well Capitalized, Minimum","description":"Amount of minimum Tier 1 leverage capital categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"USD":[{"end":"2017-12-31","val":31497000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":31497000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":36688000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":35897000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":35897000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":35897000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":35897000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":35897000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":36183000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":35939000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":34894000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":34203000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":34203000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":34203000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":34203000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":34203000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":33791000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":33057000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":32262000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":32722000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":32722000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":32226000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets":{"label":"Banking Regulation, Tier One Leverage Capital Ratio, Well Capitalized, Minimum","description":"Ratio of minimum Tier 1 leverage capital to average assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"pure":[{"end":"2017-12-31","val":0.1,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":0.1,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0.1,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.1,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":0.1,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":0.1,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":0.1,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":0.1,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.1,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.1,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.1,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.1,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0.1,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0.1,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0.1,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0.1,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.1,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.1,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.1,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.1,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.1,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.1,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TierOneLeverageCapitalToAverageAssets":{"label":"Banking Regulation, Tier One Leverage Capital Ratio, Actual","description":"Ratio of Tier 1 capital to average assets as defined by regulatory framework.","units":{"pure":[{"end":"2017-12-31","val":0.121,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":0.121,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0.105,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.109,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":0.109,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":0.109,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":0.109,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":0.109,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.134,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.134,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.139,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.141,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0.141,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0.141,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0.141,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0.141,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.144,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.15,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.159,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.16,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.16,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.165,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TierOneRiskBasedCapital":{"label":"Banking Regulation, Tier One Risk-Based Capital, Actual","description":"Amount of Tier 1 risk-based capital as defined by regulatory framework.","units":{"USD":[{"end":"2017-12-31","val":34868000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":34868000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":35310000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":35955000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":35955000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":35955000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":35955000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":35955000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":45189000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":45134000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":45597000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":46316000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":46316000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":46316000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":46316000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":46316000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":46634000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":47457000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":48670000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":49534000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":49534000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":50460000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TierOneRiskBasedCapitalRequiredForCapitalAdequacy":{"label":"Banking Regulation, Tier One Risk-Based Capital, Capital Adequacy, Minimum","description":"Amount of minimum Tier 1 risk-based capital required for capital adequacy as defined by regulatory framework.","units":{"USD":[{"end":"2017-12-31","val":18898000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":18898000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":22013000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":21538000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":21538000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":21538000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":21538000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":21538000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":21710000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":21564000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":20936000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":20522000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":20522000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":20522000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":20522000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":20522000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":20275000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":19834000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":19357000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":19633000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":19633000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":19335000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets":{"label":"Banking Regulation, Tier One Risk-Based Capital Ratio, Capital Adequacy, Minimum","description":"Ratio of minimum Tier 1 risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.","units":{"pure":[{"end":"2017-12-31","val":0.06,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":0.06,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0.06,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.06,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":0.06,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":0.06,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":0.06,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":0.06,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.06,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.06,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.06,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.06,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0.06,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0.06,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0.06,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0.06,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.06,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.06,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.06,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.06,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.06,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.06,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TierOneRiskBasedCapitalRequiredToBeWellCapitalized":{"label":"Banking Regulation, Tier One Risk-Based Capital, Well Capitalized, Minimum","description":"Amount of minimum Tier 1 risk-based capital categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"USD":[{"end":"2017-12-31","val":25197000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":25197000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":29351000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":28717000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":28717000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":28717000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":28717000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":28717000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":28946000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":28752000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":27915000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":27362000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":27362000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":27362000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":27362000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":27362000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":27033000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":26445000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":25809000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":26177000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":26177000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":25781000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets":{"label":"Banking Regulation, Tier One Risk-Based Capital Ratio, Well Capitalized, Minimum","description":"Ratio of minimum Tier 1 risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"pure":[{"end":"2017-12-31","val":0.08,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":0.08,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0.08,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.08,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":0.08,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":0.08,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":0.08,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":0.08,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.08,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.08,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.08,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.08,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0.08,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0.08,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0.08,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0.08,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.08,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.08,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.08,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.08,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.08,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.08,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TierOneRiskBasedCapitalToRiskWeightedAssets":{"label":"Banking Regulation, Tier One Risk-Based Capital Ratio, Actual","description":"Ratio of Tier 1 risk-based capital to risk-weighted assets as defined by regulatory framework.","units":{"pure":[{"end":"2017-12-31","val":0.111,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":0.111,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":0.096,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":0.1,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":0.1,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":0.1,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":0.1,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":0.1,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":0.125,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":0.126,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":0.131,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":0.135,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":0.135,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0.135,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0.135,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0.135,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":0.138,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":0.144,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":0.151,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0.151,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":0.151,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":0.157,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TimeDepositMaturitiesAfterYearFive":{"label":"Time Deposit Maturities, after Year Five","description":"Amount of time deposit maturing after fifth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":479000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2019-03-31","val":7545000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":333000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":488000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2020-03-31","val":272000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":319000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":547000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2021-03-31","val":127000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TimeDepositMaturitiesYearFive":{"label":"Time Deposit Maturities, Year Five","description":"Amount of time deposit maturing in fifth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":1432000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":448000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":44890000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":607000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":542000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":708000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":661000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":814000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":862000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":680000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":651000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TimeDepositMaturitiesYearFour":{"label":"Time Deposit Maturities, Year Four","description":"Amount of time deposit maturing in fourth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":12567000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1413000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":16768000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1606000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":2445000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":585000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":603000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":600000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":639000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":860000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":898000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TimeDepositMaturitiesYearOne":{"label":"Time Deposit Maturities, Year One","description":"Amount of time deposit maturing in next fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":30731000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":96627000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":58658000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":76608000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":28778000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":122772000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":91241000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":52087000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":24979000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":81521000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":59683000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TimeDepositMaturitiesYearThree":{"label":"Time Deposit Maturities, Year Three","description":"Amount of time deposit maturing in third fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":58984000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":13193000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":17104000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":14358000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":15132000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":2895000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":3178000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":3251000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":3466000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":630000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":778000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TimeDepositMaturitiesYearTwo":{"label":"Time Deposit Maturities, Year Two","description":"Amount of time deposit maturing in second fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2018-09-30","val":83331000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":70596000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":72262000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":101065000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":108600000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":15456000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":26189000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":47003000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":60238000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":3938000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":19771000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TimeDeposits":{"label":"Time Deposits","description":"Amount of time deposit liabilities, including certificates of deposit.","units":{"USD":[{"end":"2018-09-30","val":187524000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":182277000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":217227000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":194577000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":155985000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":142416000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019Q4I"},{"end":"2020-03-31","val":122144000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":104074000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":90731000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":87629000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":81908000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TimeDepositsAtOrAboveFDICInsuranceLimit":{"label":"Time Deposits, at or Above FDIC Insurance Limit","description":"Amount of time deposit liabilities, including certificates of deposit, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit.","units":{"USD":[{"end":"2017-12-31","val":14892000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":14892000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":11455000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":12787000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":12787000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":12787000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":12787000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":12787000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":17493000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":18549000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":17275000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":16260000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":16260000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":16300000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":16300000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":16500000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":15142000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":15200000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":9000000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":8700000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":8700000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":9500000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TradingSecuritiesDebt":{"label":"Debt Securities, Trading","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading).","units":{"USD":[{"end":"2018-12-31","val":2429000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"}]}},"TransferOfLoansHeldForSaleToPortfolioLoans1":{"label":"Transfer of Loans Held-for-sale to Portfolio Loans","description":"Value of loans held-for-sale transferred to loans held in the entity's portfolio in noncash transactions.","units":{"USD":[{"start":"2019-01-01","end":"2019-12-31","val":29360000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2019"}]}},"TransferOfPortfolioLoansAndLeasesToHeldForSale1":{"label":"Transfer of Portfolio Loans and Leases to Held-for-sale","description":"Value of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions.","units":{"USD":[{"start":"2019-01-01","end":"2019-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":134000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":29360000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":124000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":124000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":124000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":124000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-01-01","end":"2020-12-31","val":124000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"TransferToOtherRealEstate":{"label":"Real Estate Owned, Transfer to Real Estate Owned","description":"Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.","units":{"USD":[{"start":"2019-01-01","end":"2019-12-31","val":660000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":660000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"}]}},"TreasuryStockShares":{"label":"Treasury Stock, Shares","description":"Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.","units":{"shares":[{"end":"2019-12-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":17500,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":42976,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":124225,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":127225,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":127225,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":127225,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TreasuryStockValue":{"label":"Treasury Stock, Value","description":"The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.","units":{"USD":[{"end":"2019-12-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q4I"},{"end":"2020-03-31","val":175000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":406000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1199000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1228000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":1228000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1228000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"TreasuryStockValueAcquiredCostMethod":{"label":"Treasury Stock, Value, Acquired, Cost Method","description":"Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.","units":{"USD":[{"start":"2021-01-01","end":"2021-03-31","val":15000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums":{"label":"Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums","description":"Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.","units":{"USD":[{"end":"2017-12-31","val":589000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"end":"2017-12-31","val":589000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017Q4I"},{"end":"2018-09-30","val":515000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21","frame":"CY2018Q3I"},{"end":"2018-12-31","val":503000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"end":"2018-12-31","val":503000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"end":"2018-12-31","val":503000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":503000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":503000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":468000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1I"},{"end":"2019-06-30","val":394000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":318000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":304000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":304000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"end":"2019-12-31","val":304000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":304000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"end":"2019-12-31","val":304000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":307000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1I"},{"end":"2020-06-30","val":-608000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":-445000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3I"},{"end":"2020-12-31","val":178000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"end":"2020-12-31","val":178000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q4I"},{"end":"2021-03-31","val":270000,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1I"}]}},"ValuationAllowanceDeferredTaxAssetChangeInAmount":{"label":"Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount","description":"Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":-2062000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":0,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2018"},{"start":"2020-01-01","end":"2020-09-30","val":934000000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":784000000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":934000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns":{"label":"Valuation Allowance for Impairment of Recognized Servicing Assets, Deductions for Aggregate Write-Downs","description":"Amount of decrease in the valuation allowance for impairment of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer from write-downs charged against the allowance.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":148000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2017-01-01","end":"2017-12-31","val":148000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-09-30","val":85000,"accn":"0001193125-18-356311","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-12-21"},{"start":"2018-01-01","end":"2018-12-31","val":85000,"accn":"0001193125-19-094174","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":85000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2018-01-01","end":"2018-12-31","val":85000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-12-31","val":85000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":85000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":85000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":0,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":0,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-01-01","end":"2019-12-31","val":0,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":0,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-09-30","val":0,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"}]}},"WeightedAverageNumberDilutedSharesOutstandingAdjustment":{"label":"Weighted Average Number Diluted Shares Outstanding Adjustment","description":"The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.","units":{"shares":[{"start":"2020-01-01","end":"2020-03-31","val":871,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":33000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":34000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":36000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":38000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":43037000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":108654,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"WeightedAverageNumberOfDilutedSharesOutstanding":{"label":"Weighted Average Number of Shares Outstanding, Diluted","description":"The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.","units":{"shares":[{"start":"2019-01-01","end":"2019-03-31","val":4701000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":4701149,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":4701000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":4701149,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":4701000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":4701149,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":4702904000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":4702904,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":4704660000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":4704660,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4703782000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":4703782,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":4705531,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":4705531,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":4555295,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":4553546,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":4529967,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":4519626,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":4685208,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4697342,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"WeightedAverageNumberOfShareOutstandingBasicAndDiluted":{"label":"Weighted Average Number of Shares Outstanding, Basic and Diluted","description":"Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).","units":{"shares":[{"start":"2019-01-01","end":"2019-03-31","val":4701000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":4701000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":4701000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":4701000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":4701000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":4701000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":4702904000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":4703000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":4704660000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":4705000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4703782000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":4703782000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":4706000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":4555000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":4554000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":4530000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":4520000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":4685208000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"}]}},"WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased":{"label":"Weighted Average Number of Shares, Employee Stock Ownership Plan Shares Not Committed to be Released","description":"Number of employee stock ownership plan (ESOP) shares that have not been committed to be released determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that period.","units":{"shares":[{"start":"2019-01-01","end":"2019-03-31","val":176000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":176000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":176000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":176000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":176000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":176000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":173773000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":174000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":172017000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":172000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":172895000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":172895000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":172000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":172017,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":167000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":166000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":166000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":165000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":164987000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":160599,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"WeightedAverageNumberOfSharesIssuedBasic":{"label":"Weighted Average Number of Shares Issued, Basic","description":"This element represents the weighted average total number of shares issued throughout the period including the first (beginning balance outstanding) and last (ending balance outstanding) day of the period before considering any reductions (for instance, shares held in treasury) to arrive at the weighted average number of shares outstanding. Weighted average relates to the portion of time within a reporting period that common shares have been issued and outstanding to the total time in that period. Such concept is used in determining the weighted average number of shares outstanding for purposes of calculating earnings per share (basic).","units":{"shares":[{"start":"2019-01-01","end":"2019-03-31","val":4877000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":4877000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":4877000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":4877000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":4877000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":4877000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":4876677000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":4877000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":4876677000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":4877000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4876677000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":4876677000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":4877000,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":4876677,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":4689000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":4686000,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":4660000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":4647000,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":4807158000,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4838344,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"WeightedAverageNumberOfSharesOutstandingBasic":{"label":"Weighted Average Number of Shares Outstanding, Basic","description":"Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.","units":{"shares":[{"start":"2019-01-01","end":"2019-03-31","val":4701000,"accn":"0001193125-19-143946","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":4701149,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":4701000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":4701149,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":4701000,"accn":"0001193125-19-220708","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-04-01","end":"2019-06-30","val":4701149,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":4702904000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":4702904,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":4704660000,"accn":"0001193125-19-291925","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-07-01","end":"2019-09-30","val":4704660,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4703782000,"accn":"0001564590-20-014188","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":4703782,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":4704660,"accn":"0001193125-20-143530","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":4704660,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":4521953,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":4519978,"accn":"0001193125-20-219803","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":4494234,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12"},{"start":"2020-07-01","end":"2020-09-30","val":4481625,"accn":"0001193125-20-291817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-12","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":4642171,"accn":"0001193125-21-101902","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":4588688,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}},"WeightedAverageNumberOfSharesRestrictedStock":{"label":"Weighted Average Number of Shares, Restricted Stock","description":"Number of shares of restricted stock determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period. Restricted shares are subject to sales, contractual, regulatory or other restrictions that prevent or inhibit the holder from freely disposing of them before the restriction ends.","units":{"shares":[{"start":"2020-01-01","end":"2020-03-31","val":0,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2020Q1"},{"start":"2021-01-01","end":"2021-03-31","val":89057,"accn":"0001193125-21-163618","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-17","frame":"CY2021Q1"}]}}}}}