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This item includes treasury stock repurchased by the entity. 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Home Loan Bank, Advances, Short-term (Deprecated 2014-01-31)","description":"Federal Home Loan Bank borrowings due within one year of the latest balance sheet date.","units":{"USD":[{"end":"2011-12-31","val":34500000,"accn":"0000822662-13-000005","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q4I"},{"end":"2011-12-31","val":34500000,"accn":"0000822662-12-000009","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2012-09-30","val":47000000,"accn":"0000822662-12-000009","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":36000000,"accn":"0000822662-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2012Q4I"},{"end":"2012-12-31","val":36000000,"accn":"0000822662-13-000035","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":36000000,"accn":"0000822662-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":36000000,"accn":"0000822662-13-000005","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2013-03-31","val":72500000,"accn":"0000822662-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":90000000,"accn":"0000822662-13-000035","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":60000000,"accn":"0000822662-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"}]}},"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":"2010-12-31","val":6542000,"accn":"0001193125-12-134715","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-27","frame":"CY2010Q4I"},{"end":"2010-12-31","val":6542000,"accn":"0000950123-11-097914","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-14"},{"end":"2010-12-31","val":6542000,"accn":"0000950123-11-074871","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-09"},{"end":"2011-06-30","val":6456000,"accn":"0000950123-11-074871","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-09","frame":"CY2011Q2I"},{"end":"2011-09-30","val":6413000,"accn":"0000950123-11-097914","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-14","frame":"CY2011Q3I"},{"end":"2011-12-31","val":7582000,"accn":"0001193125-12-368147","fy":2012,"fp":"Q2","form":"10-Q/A","filed":"2012-08-24"},{"end":"2011-12-31","val":7582000,"accn":"0001193125-12-231056","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-14"},{"end":"2011-12-31","val":7582000,"accn":"0001193125-12-134715","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-27"},{"end":"2011-12-31","val":7582000,"accn":"0000822662-13-000005","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15","frame":"CY2011Q4I"},{"end":"2011-12-31","val":7582000,"accn":"0000822662-12-000009","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2012-03-31","val":7623000,"accn":"0001193125-12-231056","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-14","frame":"CY2012Q1I"},{"end":"2012-06-30","val":8185000,"accn":"0001193125-12-368147","fy":2012,"fp":"Q2","form":"10-Q/A","filed":"2012-08-24","frame":"CY2012Q2I"},{"end":"2012-09-30","val":9760000,"accn":"0000822662-12-000009","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":7300000,"accn":"0000822662-14-000016","fy":2013,"fp":"FY","form":"10-K/A","filed":"2014-03-25","frame":"CY2012Q4I"},{"end":"2012-12-31","val":7300000,"accn":"0000822662-14-000012","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-14"},{"end":"2012-12-31","val":7330000,"accn":"0000822662-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":7330000,"accn":"0000822662-13-000035","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09"},{"end":"2012-12-31","val":7330000,"accn":"0000822662-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":7330000,"accn":"0000822662-13-000005","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-15"},{"end":"2013-03-31","val":7919000,"accn":"0000822662-13-000015","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":8594000,"accn":"0000822662-13-000035","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-09","frame":"CY2013Q2I"},{"end":"2013-09-30","val":6119000,"accn":"0000822662-13-000041","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12","frame":"CY2013Q3I"},{"end":"2013-12-31","val":5000000,"accn":"0000822662-14-000016","fy":2013,"fp":"FY","form":"10-K/A","filed":"2014-03-25","frame":"CY2013Q4I"},{"end":"2013-12-31","val":5000000,"accn":"0000822662-14-000012","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-14"}]}},"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. 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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. 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