{"cik":"0002138186","entityName":"NARRAGANSETT BANCORP, INC.","facts":{"ffd":{"NetFeeAmt":{"label":"","description":"","units":{}},"TtlFeeAmt":{"label":"","description":"","units":{}},"TtlOfferingAmt":{"label":"","description":"","units":{}},"TtlOffsetAmt":{"label":"","description":"","units":{}},"TtlPrevslyPdAmt":{"label":"","description":"","units":{}}},"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":"2026-09-21","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q3I"}]}}},"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":"2025-01-01","end":"2025-06-30","val":276000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":698000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2025-12-31","val":-2549000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":-4917000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"AdvertisingExpense":{"label":"Advertising Expense","description":"Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":1179000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":540000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":1217000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":609000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"AmortizationOfIntangibleAssets":{"label":"Amortization of Intangible Assets","description":"The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":505000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":258000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":325000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":162000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"AmortizationOfMortgageServicingRightsMSRs":{"label":"Amortization of Mortgage Servicing Rights (MSRs)","description":"The periodic amortization (in proportion to and over the period of estimated net servicing income or loss) of capitalized servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":1590000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":2855000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2025-12-31","val":2858576000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":2874485000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax":{"label":"Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax","description":"Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2025-12-31","val":1659000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":111000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax":{"label":"Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax","description":"Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2025-12-31","val":4559000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":6366000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2025-12-31","val":345192000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":366074000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2026-06-30","val":78422000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2026-06-30","val":77066000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2026-06-30","val":212179000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2026-06-30","val":207670000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2026-06-30","val":19770000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2026-06-30","val":19770000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2026-06-30","val":55703000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2026-06-30","val":55313000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2025-12-31","val":342292000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":359819000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"BankingRegulationCapitalConservationBufferCapitalConservedMinimum":{"label":"Banking Regulation, Capital Conservation Buffer, Capital Conserved, Minimum","description":"Minimum capital conservation buffer percentage required to avoid restriction on payout amount of eligible retained income as defined by regulatory framework.","units":{"pure":[{"end":"2026-06-30","val":0.025,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioCapitalAdequacyMinimum":{"label":"Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Capital Adequacy, Minimum","description":"Ratio of minimum Common Equity Tier 1 risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.","units":{"pure":[{"end":"2026-06-30","val":0.045,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"BankOwnedLifeInsurance":{"label":"Bank Owned Life Insurance","description":"The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.","units":{"USD":[{"end":"2025-12-31","val":40962000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":43346000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"BankOwnedLifeInsuranceIncome":{"label":"Bank Owned Life Insurance Income","description":"Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":1006000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":1320000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2026-06-30","val":0.08,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"CashAndCashEquivalentsAtCarryingValue":{"label":"Cash and Cash Equivalents, at Carrying Value","description":"Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes 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. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2025-12-31","val":38519000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":52748000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2024-12-31","val":75957000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2024Q4I"},{"end":"2025-06-30","val":98408000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2I"},{"end":"2025-12-31","val":38519000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":52748000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect","description":"Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding 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":"2025-01-01","end":"2025-06-30","val":22451000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":14229000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2025-01-01","end":"2025-06-30","val":6094000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":3951000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":2350000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":2552000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"DebtAndEquitySecuritiesGainLoss":{"label":"Debt and Equity Securities, Gain (Loss)","description":"Amount of unrealized and realized gain (loss) on investment in debt and equity securities.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":-51000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":-36000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":189000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":130000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"DebtSecuritiesAvailableForSaleAllowanceForCreditLoss":{"label":"Debt Securities, Available-for-sale, Allowance for Credit Loss","description":"Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2025-12-31","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger":{"label":"Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer","description":"Amount of 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 more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2025-12-31","val":138826000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":103657000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2025-12-31","val":4388000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":3901000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months":{"label":"Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months","description":"Amount of 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":"2025-12-31","val":46962000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":180832000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2025-12-31","val":171000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":2465000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"DebtSecuritiesAvailableForSaleGainLoss":{"label":"Debt Securities, Available-for-sale, Gain (Loss)","description":"Amount of unrealized and realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":-20000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":-20000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":203000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"DebtSecuritiesAvailableForSaleRealizedGainLoss":{"label":"Debt Securities, Available-for-sale, Realized Gain (Loss)","description":"Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":-20000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":-20000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":203000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":{"Position":[{"end":"2026-06-30","val":86,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"DeferredIncomeTaxAssetsNet":{"label":"Deferred Income Tax Assets, Net","description":"Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.","units":{"USD":[{"end":"2025-12-31","val":5841000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":7460000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2025-01-01","end":"2025-06-30","val":-167000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":-700000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"DividendIncomeOperating":{"label":"Dividend Income, Operating","description":"Amount of operating dividend income on securities.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":492000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":232000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":232000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":118000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"EquityMethodInvestments":{"label":"Equity Method Investments","description":"This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.","units":{"USD":[{"end":"2025-12-31","val":14196000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":14439000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2025-01-01","end":"2025-06-30","val":-50000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":189000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"FederalDepositInsuranceCorporationPremiumExpense":{"label":"Federal Deposit Insurance Corporation Premium Expense","description":"Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":1386000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":659000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":1400000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":703000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":"2025-12-31","val":5787000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":5082000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"FeesAndCommissionsMortgageBankingAndServicing":{"label":"Fees and Commissions, Mortgage Banking and Servicing","description":"Income from mortgage banking activities (fees and commissions) and servicing real estate mortgages, credit cards, and other financial assets held by others net of any related impairment of capitalized service costs. Also includes any premiums received in lieu of regular servicing fees on such loans only as earned over the life of the loans.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":8127000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":4715000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":9174000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":4456000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"FinancingReceivableAllowanceForCreditLosses":{"label":"Financing Receivable, Allowance for Credit Loss","description":"Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.","units":{"USD":[{"end":"2024-12-31","val":26223000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2024Q4I"},{"end":"2025-03-31","val":28007000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q1I"},{"end":"2025-06-30","val":29930000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2I"},{"end":"2025-12-31","val":29078000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-03-31","val":29680000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q1I"},{"end":"2026-06-30","val":30254000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2025-01-01","end":"2025-06-30","val":69000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":48000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":118000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":38000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":"2025-01-01","end":"2025-06-30","val":262000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":75000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":1442000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":264000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"FinancingReceivableBeforeAllowanceForCreditLossAndFee":{"label":"Financing Receivable, before Allowance for Credit Loss and Fee","description":"Amount, before allowance for credit loss and fee, of financing receivable. Excludes financing receivable covered under loss sharing agreement.","units":{"USD":[{"end":"2025-12-31","val":2269317000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":2253927000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"FinancingReceivableExcludingAccruedInterestModifiedPeriod":{"label":"","description":"","units":{"USD":[{"start":"2026-01-01","end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"FinancingReceivableNonaccrualInterestIncome":{"label":"Financing Receivable, Nonaccrual, Interest Income","description":"Amount of interest income on financing receivable on nonaccrual status.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"FinancingReceivableNonaccrualNoAllowance":{"label":"Financing Receivable, Nonaccrual, No Allowance","description":"Amount of financing receivable on nonaccrual status with no allowance for credit loss.","units":{"USD":[{"end":"2025-12-31","val":18900000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":13503000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2025-12-31","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"FinancingReceivableRecordedInvestmentNonaccrualStatus":{"label":"Financing Receivable, Nonaccrual","description":"Amount of financing receivable on nonaccrual status.","units":{"USD":[{"end":"2025-12-31","val":37428000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":42744000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2025-01-01","end":"2025-06-30","val":-827000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":-300000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":-776000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":-323000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"HeldToMaturitySecurities":{"label":"Debt Securities, Held-to-maturity","description":"Amount of investment in debt security measured at amortized cost (held-to-maturity).","units":{"USD":[{"end":"2025-12-31","val":27800000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":24200000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"HeldToMaturitySecuritiesFairValue":{"label":"Debt Securities, Held-to-maturity, Fair Value","description":"Fair value of investment in debt security measured at amortized cost (held-to-maturity).","units":{"USD":[{"end":"2025-12-31","val":25500000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":21700000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2025-01-01","end":"2025-06-30","val":2548000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":2776000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":5484000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":3970000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"IncomeLossFromEquityMethodInvestments":{"label":"Income (Loss) from Equity Method Investments","description":"Amount of income (loss) for proportionate share of equity method investee's income (loss).","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":-12000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":-12000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2025-01-01","end":"2025-06-30","val":417000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":522000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":766000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":500000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":"2025-01-01","end":"2025-06-30","val":1383000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":1325000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"IncreaseDecreaseInAccruedInterestReceivableNet":{"label":"Increase (Decrease) in Accrued Interest Receivable, Net","description":"The increase (decrease) during the reporting period in the amount due from borrowers for interest payments.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":172000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":-105000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"IncreaseDecreaseInLoansHeldForSale":{"label":"Increase (Decrease) in Loans Held-for-sale","description":"The increase (decrease) during the reporting period in the value of loans or securitized loans that are held with the intention to sell in the near future.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":8499000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":-1226000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"IncreaseDecreaseInOtherOperatingCapitalNet":{"label":"Increase (Decrease) in Other Operating Assets and Liabilities, Net","description":"Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":-1871000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":-3278000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"InformationTechnologyAndDataProcessing":{"label":"Information Technology and Data Processing","description":"The amount of expenses incurred in the period for information technology and data processing products and services.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":2289000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":1105000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":2458000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":1270000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"IntangibleAssetsNetIncludingGoodwill":{"label":"Intangible Assets, Net (Including Goodwill)","description":"Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.","units":{"USD":[{"end":"2025-12-31","val":28186000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":27861000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2025-01-01","end":"2025-06-30","val":71237000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":36046000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":69565000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":35144000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"InterestAndFeeIncomeLoansHeldForSaleMortgages":{"label":"Interest and Fee Income, Loans Held-for-sale, Mortgages","description":"Interest and fee income from mortgage loans considered to be held-for-sale.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":65629000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":33162000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":63363000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":31880000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"InterestBearingDepositLiabilities":{"label":"Interest-bearing Deposit Liabilities","description":"The aggregate of all domestic and foreign interest-bearing deposit liabilities.","units":{"USD":[{"end":"2025-12-31","val":2029009000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":2012922000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"InterestExpenseDeposits":{"label":"Interest Expense, Deposits","description":"Aggregate amount of interest expense on all deposits.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":25921000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":12915000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":22576000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":11175000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"InterestExpenseOperating":{"label":"","description":"","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":35010000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":17347000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":28025000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":13770000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"InterestExpenseSubordinatedNotesAndDebentures":{"label":"Interest Expense, Subordinated Notes and Debentures","description":"Interest expense incurred during the reporting period on subordinated notes and debentures. Includes amortization of expenses incurred in the issuance of subordinated notes and debentures.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":3821000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":1917000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":3299000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":1722000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"InterestIncomeDebtSecuritiesOperating":{"label":"Interest Income, Debt Securities, Operating","description":"Amount of interest income, amortization of premium and accretion of discount, on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in net income (trading); classified as operating.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":4306000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":2258000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":5788000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":3005000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":"2025-01-01","end":"2025-06-30","val":32327000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":16689000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":39040000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":20574000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"InterestIncomeExpenseNet":{"label":"Interest Income (Expense), Net","description":"The net amount of operating interest income (expense).","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":36227000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":18699000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":41540000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":21374000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":"2025-12-31","val":10034000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":9929000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2025-01-01","end":"2025-06-30","val":36100000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":18886000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":39862000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":20797000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":"2025-12-31","val":2671730000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":2685289000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2025-12-31","val":2858576000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":2874485000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"LifeInsuranceCorporateOrBankOwnedChangeInValue":{"label":"Life Insurance, Corporate or Bank Owned, Change in Value","description":"The change in cash surrender or contract value during the period which adjusted the amount of premiums paid in determining the expense or income recognized under the contract for the period.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":1005000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":969000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":1320000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":1440000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"LoansAndLeasesReceivableImpairedCommitmentToLend":{"label":"Financing Receivable, Troubled Debt Restructuring, Commitment to Lend","description":"Amount of unfunded portion of contractual agreement to lend funds to borrower for financing receivable modified as troubled debt restructuring.","units":{"USD":[{"end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"LoansHeldForSaleFairValueDisclosure":{"label":"Loans Held-for-sale, Fair Value Disclosure","description":"Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.","units":{"USD":[{"end":"2025-12-31","val":21262000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":20036000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"MarketableSecurities":{"label":"Marketable Securities","description":"Amount of investment in marketable security.","units":{"USD":[{"end":"2025-12-31","val":2188000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":2378000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments":{"label":"Marketable Securities, Gain (Loss), Excluding Other-than-temporary Impairment Loss","description":"Amount of unrealized and realized gain (loss) on investment in marketable security, excluding other-than-temporary impairment (OTTI).","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":-51000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":-36000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":189000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":130000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"MarketableSecuritiesUnrealizedGainLoss":{"label":"Marketable Securities, Unrealized Gain (Loss)","description":"Amount of unrealized gain (loss) on investment in marketable security.","units":{"USD":[{"start":"2025-01-01","end":"2025-12-31","val":114000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025"},{"start":"2026-01-01","end":"2026-06-30","val":146000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2025-01-01","end":"2025-06-30","val":-2663000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":-3807000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2025-01-01","end":"2025-06-30","val":47349000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":12581000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2025-01-01","end":"2025-06-30","val":-24851000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":-9477000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2025-01-01","end":"2025-06-30","val":-47000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":11125000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2025-01-01","end":"2025-06-30","val":2131000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":2254000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":4718000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":3470000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":"2025-12-31","val":394297000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":435538000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"NoninterestExpense":{"label":"Noninterest Expense","description":"Total aggregate amount of all noninterest expense.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":55710000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":28577000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":59799000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":30543000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":"2025-01-01","end":"2025-06-30","val":25931000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":14664000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":26243000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":13939000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"NoninterestIncomeOtherOperatingIncome":{"label":"Noninterest Income, Other Operating Income","description":"Amount of revenue earned, classified as other, excluding interest income.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":1591000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":1382000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":686000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":280000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":"2025-12-31","val":2236274000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":2219766000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"NumberOfOperatingSegments":{"label":"Number of Operating Segments","description":"Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.","units":{"Segment":[{"start":"2026-01-01","end":"2026-06-30","val":1,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"NumberOfReportableSegments":{"label":"Number of Reportable Segments","description":"Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.","units":{"Segment":[{"start":"2026-01-01","end":"2026-06-30","val":1,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"OperatingLeaseLiability":{"label":"Operating Lease, Liability","description":"Present value of lessee's discounted obligation for lease payments from operating lease.","units":{"USD":[{"end":"2025-12-31","val":10257000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":9830000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"OperatingLeaseRightOfUseAsset":{"label":"Operating Lease, Right-of-Use Asset","description":"Amount of lessee's right to use underlying asset under operating lease.","units":{"USD":[{"end":"2025-12-31","val":10041000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":9603000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"OtherAssets":{"label":"Other Assets","description":"Amount of assets classified as other.","units":{"USD":[{"end":"2025-12-31","val":48302000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":46505000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent":{"label":"Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent","description":"Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to parent entity. Excludes amounts related to other than temporary impairment (OTTI) loss.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":3942000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":1651000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":-2417000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":-918000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax":{"label":"OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax","description":"Amount, before tax and after adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":5437000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":2269000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":-3354000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":-1291000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent":{"label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent","description":"Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":21000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":46000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":49000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax":{"label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax","description":"Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":29000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":65000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":68000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax":{"label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax","description":"Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":-8000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":-19000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":-19000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":"2025-01-01","end":"2025-06-30","val":3963000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":1697000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":-2368000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":-918000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":"2025-01-01","end":"2025-06-30","val":-20000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":-20000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":203000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax":{"label":"Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax","description":"Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":-1495000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":-618000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":937000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":373000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":"2025-01-01","end":"2025-06-30","val":5417000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":2249000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":-3151000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":-1291000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"OtherGeneralAndAdministrativeExpense":{"label":"Other General and Administrative Expense","description":"Amount of general and administrative expense classified as other.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":5588000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":2931000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":5190000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":2601000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"OtherLiabilities":{"label":"Other Liabilities","description":"Amount of liabilities classified as other.","units":{"USD":[{"end":"2025-12-31","val":45526000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":46772000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"PaymentsToAcquireAvailableForSaleSecuritiesDebt":{"label":"Payments to Acquire Debt Securities, Available-for-sale","description":"Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":50330000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":80449000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"PaymentsToAcquireFederalHomeLoanBankStock":{"label":"Payments to Acquire Federal Home Loan Bank Stock","description":"Amount of cash outflow to acquire Federal Home Loan Bank (FHLB) stock.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":592000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":18112000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"PaymentsToAcquireLifeInsurancePolicies":{"label":"Payment to Acquire Life Insurance Policy, Investing Activities","description":"Amount of cash outflow for payment of premium on corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":1242000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":1064000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2025-01-01","end":"2025-06-30","val":1773000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":2173000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"ProceedsFromIssuanceOfLongTermDebt":{"label":"Proceeds from Issuance of Long-term Debt","description":"The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":20000000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2025-01-01","end":"2025-06-30","val":13974000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":33564000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"ProceedsFromRepaymentsOfShortTermDebt":{"label":"Proceeds from (Repayments of) Short-term Debt","description":"The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":-39000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":-12573000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"ProceedsFromSaleOfAvailableForSaleSecuritiesDebt":{"label":"Proceeds from Sale of Debt Securities, Available-for-sale","description":"Amount of cash inflow from sale 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":"2025-01-01","end":"2025-06-30","val":10914000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":10900000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":26905000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":0,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"ProceedsFromSaleOfFederalHomeLoanBankStock":{"label":"Proceeds from Sale of Federal Home Loan Bank Stock","description":"Amount of cash inflow from sale of Federal Home Loan Bank (FHLB) stock.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":3045000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":18816000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"ProceedsFromSaleOfLoansHeldForInvestment":{"label":"Proceeds from Sale of Loans Held-for-investment","description":"The cash inflow from Sales of Loans Held For Investment.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":54206000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":81008000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2025-01-01","end":"2025-06-30","val":22000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":59000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"ProfessionalFees":{"label":"Professional Fees","description":"A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":1551000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":779000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":1668000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":839000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"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":"2025-01-01","end":"2025-06-30","val":2131000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":4718000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"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":"2025-12-31","val":40701000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":40869000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"ProvisionForLoanLeaseAndOtherLosses":{"label":"Provision for Loan, Lease, and Other Losses","description":"Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":3900000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":2010000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":2500000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":800000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"ProvisionForLoanLossesExpensed":{"label":"Financing Receivable, Credit Loss, Expense (Reversal)","description":"Amount of credit loss expense (reversal of expense) for financing receivable.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":3900000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2025-04-01","end":"2025-06-30","val":2010000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":2500000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-04-01","end":"2026-06-30","val":800000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2"}]}},"RepaymentsOfLongTermDebt":{"label":"Repayments of Long-term Debt","description":"The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":80000000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"RetainedEarningsAccumulatedDeficit":{"label":"Retained Earnings (Accumulated Deficit)","description":"The cumulative amount of the reporting entity's undistributed earnings or deficit.","units":{"USD":[{"end":"2025-12-31","val":189395000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":194113000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability":{"label":"Right-of-Use Asset Obtained in Exchange for Operating Lease Liability","description":"Amount of increase in right-of-use asset obtained in exchange for operating lease liability.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":2000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"},{"start":"2026-01-01","end":"2026-06-30","val":179000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21"}]}},"ServicingAssetAtFairValueAmount":{"label":"Servicing Asset at Fair Value, Amount","description":"Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.","units":{"USD":[{"end":"2025-12-31","val":13991000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":14644000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"ShortTermBorrowings":{"label":"Short-term Debt","description":"Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2025-12-31","val":97533000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":85000000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2024-12-31","val":170611000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2024Q4I"},{"end":"2025-03-31","val":172754000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q1I"},{"end":"2025-06-30","val":176705000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q2I"},{"end":"2025-12-31","val":186846000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-03-31","val":186644000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q1I"},{"end":"2026-06-30","val":189196000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"SubordinatedDebt":{"label":"Subordinated Debt","description":"Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.","units":{"USD":[{"end":"2025-12-31","val":94578000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2025Q4I"},{"end":"2026-06-30","val":94737000,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2026-06-30","val":0.04,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}},"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":"2026-06-30","val":0.06,"accn":"0001193125-26-396522","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-09-21","frame":"CY2026Q2I"}]}}}}}