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Home Loan Bank Borrowings, Fair Value Disclosure","description":"Fair value portion of borrowing from Federal Home Loan Bank 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This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.","units":{"USD":[{"start":"2014-01-01","end":"2014-06-30","val":20000,"accn":"0001437749-15-015761","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2014-01-01","end":"2014-09-30","val":106000,"accn":"0001437749-15-020731","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-13"},{"start":"2014-01-01","end":"2014-12-31","val":172000,"accn":"0001437749-16-028616","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":86000,"accn":"0001437749-16-031882","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":284000,"accn":"0001437749-15-015761","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-06-30","val":284000,"accn":"0001437749-16-037397","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-09-30","val":407000,"accn":"0001437749-15-020731","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-13"},{"start":"2015-01-01","end":"2015-09-30","val":407000,"accn":"0001437749-16-041910","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2015-01-01","end":"2015-12-31","val":527000,"accn":"0001437749-16-028616","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":527000,"accn":"0001437749-17-005637","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-30","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":144000,"accn":"0001437749-16-031882","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"start":"2016-01-01","end":"2016-03-31","val":144000,"accn":"0001437749-17-009200","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":255000,"accn":"0001437749-16-037397","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-06-30","val":255000,"accn":"0001437749-17-014661","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-14"},{"start":"2016-01-01","end":"2016-09-30","val":435000,"accn":"0001437749-16-041910","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":435000,"accn":"0001437749-17-019301","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2016-01-01","end":"2016-12-31","val":626000,"accn":"0001437749-17-005637","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-30"},{"start":"2016-01-01","end":"2016-12-31","val":626000,"accn":"0001437749-18-005880","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-30","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":138000,"accn":"0001437749-17-009200","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"start":"2017-01-01","end":"2017-03-31","val":138000,"accn":"0001437749-18-009791","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-14","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":327000,"accn":"0001437749-17-014661","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-14"},{"start":"2017-01-01","end":"2017-06-30","val":327000,"accn":"0001437749-18-015313","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-13"},{"start":"2017-01-01","end":"2017-09-30","val":516000,"accn":"0001437749-17-019301","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"start":"2017-01-01","end":"2017-09-30","val":516000,"accn":"0001437749-18-020522","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13"},{"start":"2017-01-01","end":"2017-12-31","val":690000,"accn":"0001437749-18-005880","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-30"},{"start":"2017-01-01","end":"2017-12-31","val":690000,"accn":"0001437749-19-005078","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-15","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":150000,"accn":"0001437749-18-009791","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-14","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":279000,"accn":"0001437749-18-015313","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-13"},{"start":"2018-01-01","end":"2018-09-30","val":421000,"accn":"0001437749-18-020522","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13"},{"start":"2018-01-01","end":"2018-12-31","val":509000,"accn":"0001437749-19-005078","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-15","frame":"CY2018"}]}},"GainLossOnSaleOfProperties":{"label":"Gain (Loss) on Sale of Properties","description":"The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. 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el":"Gain on Sale of Investments","description":"The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the 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This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":7683000,"accn":"0001437749-13-003576","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":69000,"accn":"0001437749-13-010608","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-01-01","end":"2012-09-30","val":1641000,"accn":"0001437749-13-014753","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14"},{"start":"2012-01-01","end":"2012-12-31","val":1665000,"accn":"0001437749-13-003576","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":1665000,"accn":"0001437749-14-005346","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":627000,"accn":"0001437749-13-006096","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-15"},{"start":"2013-01-01","end":"2013-03-31","val":627000,"accn":"0001437749-14-009020","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-14","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1613000,"accn":"0001437749-13-010608","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":1613000,"accn":"0001437749-14-015336","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-14"},{"start":"2013-01-01","end":"2013-09-30","val":1613000,"accn":"0001437749-13-014753","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14"},{"start":"2013-01-01","end":"2013-09-30","val":1613000,"accn":"0001437749-14-020741","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-14"},{"start":"2013-01-01","end":"2013-12-31","val":1613000,"accn":"0001437749-14-005346","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":220000,"accn":"0001437749-14-015336","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-14"},{"start":"2014-01-01","end":"2014-09-30","val":1520000,"accn":"0001437749-14-020741","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-14"}]}},"OtherRealEstateDisposals":{"label":"Other Real Estate, Disposals","description":"Disposals of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure.","units":{"USD":[{"start":"2012-01-01","end":"2012-03-31","val":492000,"accn":"0001437749-13-006096","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-15","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":918000,"accn":"0001437749-13-010608","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-01-01","end":"2012-09-30","val":1188000,"accn":"0001437749-13-014753","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14"},{"start":"2013-01-01","end":"2013-03-31","val":130000,"accn":"0001437749-13-006096","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-15","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1983000,"accn":"0001437749-13-010608","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-09-30","val":2023000,"accn":"0001437749-13-014753","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14"}]}},"OtherRealEstateValuationAdjustments":{"label":"Other Real Estate, Valuation Adjustments","description":"Valuation adjustments made to other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":262000,"accn":"0001437749-13-003576","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0001437749-13-010608","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2012-01-01","end":"2012-09-30","val":100000,"accn":"0001437749-13-014753","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14"},{"start":"2012-01-01","end":"2012-12-31","val":486000,"accn":"0001437749-13-003576","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-28"},{"start":"2012-01-01","end":"2012-12-31","val":486000,"accn":"0001437749-14-005346","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-06-30","val":351000,"accn":"0001437749-13-010608","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":351000,"accn":"0001437749-14-015336","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-14"},{"start":"2013-01-01","end":"2013-09-30","val":377000,"accn":"0001437749-13-014753","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14"},{"start":"2013-01-01","end":"2013-09-30","val":377000,"accn":"0001437749-14-020741","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-14"},{"start":"2013-01-01","end":"2013-12-31","val":608000,"accn":"0001437749-14-005346","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2013"}]}},"OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities":{"label":"Other than Temporary Impairment Losses, Investments, Available-for-sale Securities","description":"The amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001437749-14-005346","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2013"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0001437749-14-015336","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-14"},{"start":"2014-01-01","end":"2014-09-30","val":0,"accn":"0001437749-14-020741","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-14"},{"start":"2015-01-01","end":"2015-03-31","val":0,"accn":"0001437749-15-010316","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-15","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":0,"accn":"0001437749-15-015761","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-13"},{"start":"2015-01-01","end":"2015-09-30","val":0,"accn":"0001437749-15-020731","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-13"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0001437749-16-028616","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":16500000,"accn":"0001437749-16-031882","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001437749-17-005637","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-30","frame":"CY2016"}]}},"PaymentsForOriginationAndPurchasesOfLoansHeldForSale":{"label":"Payments 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