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Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as 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Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-12-31","val":100000,"accn":"0001144204-13-017413","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-26","frame":"CY2012Q4I"},{"end":"2013-12-31","val":104000,"accn":"0001144204-14-017053","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-21","frame":"CY2013Q4I"},{"end":"2014-12-31","val":108000,"accn":"0001144204-15-018620","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-26","frame":"CY2014Q4I"},{"end":"2015-12-31","val":112000,"accn":"0001144204-16-089840","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-23","frame":"CY2015Q4I"}]}},"FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate":{"label":"Federal Home Loan Bank, Advance, Maturity, Year Four","description":"Amount of advance from Federal Home Loan Bank (FHLBank) maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-12-31","val":108000,"accn":"0001144204-13-017413","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-26","frame":"CY2012Q4I"},{"end":"2013-12-31","val":112000,"accn":"0001144204-14-017053","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-21","frame":"CY2013Q4I"},{"end":"2014-12-31","val":115000,"accn":"0001144204-15-018620","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-26","frame":"CY2014Q4I"},{"end":"2015-12-31","val":120000,"accn":"0001144204-16-089840","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-23","frame":"CY2015Q4I"}]}},"FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate":{"label":"Federal Home Loan Bank, Advance, Maturity, Year Three","description":"Amount of advance from Federal Home Loan Bank (FHLBank) maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-12-31","val":104000,"accn":"0001144204-13-017413","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-26","frame":"CY2012Q4I"},{"end":"2013-12-31","val":108000,"accn":"0001144204-14-017053","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-21","frame":"CY2013Q4I"},{"end":"2014-12-31","val":112000,"accn":"0001144204-15-018620","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-26","frame":"CY2014Q4I"},{"end":"2015-12-31","val":115000,"accn":"0001144204-16-089840","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-23","frame":"CY2015Q4I"}]}},"FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate":{"label":"Federal Home Loan Bank, Advance, Maturity, Year One","description":"Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-12-31","val":13097000,"accn":"0001144204-13-017413","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-26","frame":"CY2012Q4I"},{"end":"2013-12-31","val":100000,"accn":"0001144204-14-017053","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-21","frame":"CY2013Q4I"},{"end":"2014-12-31","val":104000,"accn":"0001144204-15-018620","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-26","frame":"CY2014Q4I"},{"end":"2015-12-31","val":108000,"accn":"0001144204-16-089840","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-23","frame":"CY2015Q4I"}]}},"FeesAndCommissionsDepositorAccounts":{"label":"Fees and Commissions, Depositor Accounts (Deprecated 2018-01-31)","description":"Includes amounts charged depositors for: (1) maintenance of their accounts (maintenance charges); (2) failure to maintain specified minimum balances on account; (3) exceeding the number of checks or transactions allowed to be processed in a given period; (4) checks drawn on no minimum balance deposit accounts; (5) withdrawals from nontransaction deposit accounts; (6) closing savings accounts before a specified minimum period of time has elapsed; (7) accounts which have remained inactive for extended periods of time or which have become dormant; (8) use of automated teller machines or remote service units; (9) checks drawn against insufficient funds that the bank assesses regardless of whether it decides to pay, return or hold the check; (10) issuing stop payment orders; (11) certifying checks; and (12) accumulating or disbursing funds deposited in IRAs or Keogh Plan accounts when not handled by the bank's trust department. This item does not include penalties assessed on the early withdrawal of time 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This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":37000,"accn":"0001144204-14-017053","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-21","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":10000,"accn":"0001144204-13-028505","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"start":"2013-01-01","end":"2013-03-31","val":10000,"accn":"0001144204-14-030353","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-14","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":192000,"accn":"0001144204-14-049249","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-13"},{"start":"2013-01-01","end":"2013-09-30","val":272000,"accn":"0001144204-14-068510","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-14"},{"start":"2013-01-01","end":"2013-12-31","val":272000,"accn":"0001144204-14-017053","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-21"},{"start":"2013-01-01","end":"2013-12-31","val":272000,"accn":"0001144204-15-018620","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-26","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":49000,"accn":"0001144204-14-030353","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":143000,"accn":"0001144204-14-049249","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-13"},{"start":"2014-01-01","end":"2014-09-30","val":256000,"accn":"0001144204-14-068510","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-14"},{"start":"2014-01-01","end":"2014-12-31","val":274000,"accn":"0001144204-15-018620","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-26"},{"start":"2014-01-01","end":"2014-12-31","val":274000,"accn":"0001144204-16-089840","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-23","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":27000,"accn":"0001144204-15-030598","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":27000,"accn":"0001144204-15-048587","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-09-30","val":27000,"accn":"0001144204-15-065094","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-13"},{"start":"2015-01-01","end":"2015-12-31","val":27000,"accn":"0001144204-16-089840","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-23","frame":"CY2015"}]}},"GainLossOnSaleOfLoansAndLeases":{"label":"Gain (Loss) on Sale of Loans and Leases","description":"The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans and leases that were sold during the reporting period. This element refers to the gain (loss) and not to the cash proceeds of the sales. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.","units":{"USD":[{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0001144204-16-101212","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0001144204-16-118602","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12"},{"start":"2015-04-01","end":"2015-06-30","val":0,"accn":"0001144204-16-118602","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12","frame":"CY2015Q2"},{"start":"2015-01-01","end":"2015-09-30","val":120000,"accn":"0001144204-16-133390","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10"},{"start":"2015-07-01","end":"2015-09-30","val":67000,"accn":"0001144204-16-133390","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10","frame":"CY2015Q3"},{"start":"2016-01-01","end":"2016-03-31","val":237000,"accn":"0001144204-16-101212","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":237000,"accn":"0001144204-16-118602","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12"},{"start":"2016-04-01","end":"2016-06-30","val":0,"accn":"0001144204-16-118602","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":498000,"accn":"0001144204-16-133390","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10"},{"start":"2016-07-01","end":"2016-09-30","val":261000,"accn":"0001144204-16-133390","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10","frame":"CY2016Q3"}]}},"GainLossOnSaleOfMortgageLoans":{"label":"Gain (Loss) on Sale of Mortgage Loans","description":"The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect 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-23"},{"end":"2015-12-31","val":11131000,"accn":"0001144204-16-101212","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"end":"2015-12-31","val":11131000,"accn":"0001144204-16-118602","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12"},{"end":"2015-12-31","val":11131000,"accn":"0001144204-16-133390","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10","frame":"CY2015Q4I"},{"end":"2016-03-31","val":11434000,"accn":"0001144204-16-101212","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1I"},{"end":"2016-06-30","val":11996000,"accn":"0001144204-16-118602","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12","frame":"CY2016Q2I"},{"end":"2016-09-30","val":11298000,"accn":"0001144204-16-133390","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10","frame":"CY2016Q3I"}]}},"OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent":{"label":"Other 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This item includes treasury stock repurchased by the entity. 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These shares represent the ownership interest of the preferred shareholders.","units":{"USD":[{"end":"2013-09-30","val":10908000,"accn":"0001144204-13-060637","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":10994000,"accn":"0001144204-14-017053","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-21","frame":"CY2013Q4I"},{"end":"2014-12-31","val":10994000,"accn":"0001144204-15-018620","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-26","frame":"CY2014Q4I"}]}},"PrincipalAmountOutstandingOnLoansHeldForSaleOrSecuritization":{"label":"Principal Amount Outstanding on Loans Held-for-sale or Securitization or Asset-backed Financing Arrangement","description":"This is the principal amount outstanding for loans which are in the process of being securitized as of the date of the statement of financial position (across all types of loans).","units":{"USD":[{"end":"2015-12-31","val":38925000,"accn":"0001144204-16-118602","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12"},{"end":"2015-12-31","val":38925000,"accn":"0001144204-16-133390","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10","frame":"CY2015Q4I"},{"end":"2016-06-30","val":56294000,"accn":"0001144204-16-118602","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12","frame":"CY2016Q2I"},{"end":"2016-09-30","val":41697000,"accn":"0001144204-16-133390","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10","frame":"CY2016Q3I"}]}},"ProceedsFromIssuanceOfPreferredStockAndPreferenceStock":{"label":"Proceeds from Issuance of Preferred Stock and Preference Stock","description":"Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001144204-13-017413","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-26","frame":"CY2012"}]}},"ProceedsFromIssuanceOfRedeemablePreferredStock":{"label":"Proceeds from Issuance of Redeemable Preferred Stock","description":"The cash inflow from issuance of preferred stock that is classified as callable.","units":{"USD":[{"start":"2014-01-01","end":"2014-03-31","val":0,"accn":"0001144204-15-030598","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0001144204-15-048587","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-12"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0001144204-15-065094","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-13"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001144204-16-089840","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-23","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":14103000,"accn":"0001144204-15-030598","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"start":"2015-01-01","end":"2015-03-31","val":14103000,"accn":"0001144204-16-101212","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":14069000,"accn":"0001144204-15-048587","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-12"},{"start":"2015-01-01","end":"2015-06-30","val":14069000,"accn":"0001144204-16-118602","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12"},{"start":"2015-01-01","end":"2015-09-30","val":14069000,"accn":"0001144204-15-065094","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-13"},{"start":"2015-01-01","end":"2015-09-30","val":14069000,"accn":"0001144204-16-133390","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10"},{"start":"2015-01-01","end":"2015-12-31","val":14069000,"accn":"0001144204-16-089840","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-23","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":0,"accn":"0001144204-16-101212","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":0,"accn":"0001144204-16-118602","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-12"},{"start":"2016-01-01","end":"2016-09-30","val":0,"accn":"0001144204-16-133390","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10"}]}},"ProceedsFromIssuanceOfTrustPreferredSecurities":{"label":"Proceeds from Issuance of Trust Preferred Securities","description":"The cash inflow from issuance of preferred stocks by a business trust or other special purpose entity, mainly established by a bank holding entity, to third party investors. 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