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Cash and cash equivalents are the 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. 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and Due from Banks","description":"For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central 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collected. 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This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' 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The trust's assets are deeply subordinated debentures of the bank holding entity. Most trust preferred securities are subject to a mandatory redemption upon the repayment of the debentures.","units":{"USD":[{"end":"2010-05-18","val":12000000,"accn":"0001193125-15-176861","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-07"},{"end":"2010-05-19","val":12000000,"accn":"0001193125-15-281047","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-06"},{"end":"2010-05-19","val":12000000,"accn":"0001193125-15-369877","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2010-05-19","val":12000000,"accn":"0001193125-16-503446","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-14"},{"end":"2010-05-19","val":12000000,"accn":"0001193125-16-581846","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2010-05-19","val":12000000,"accn":"0001193125-16-673404","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2010-05-19","val":12000000,"accn":"0001193125-16-763088","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-08","frame":"CY2010Q2I"}]}},"ProceedsFromLifeInsurancePolicies":{"label":"Proceeds from Life Insurance Policy","description":"Amount of cash inflow for proceeds from settlement of corporate-owned life insurance policy, classified as investing activities. 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