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This relates to loans accounted for as available-for-sale debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.","units":{"USD":[{"end":"2014-08-31","val":1000000,"accn":"0001415889-14-003093","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-10-15","frame":"CY2014Q3I"},{"end":"2014-11-30","val":1000000,"accn":"0001415889-15-000135","fy":2014,"fp":"Q3","form":"10-Q","filed":"2015-01-14","frame":"CY2014Q4I"},{"end":"2015-02-28","val":1000000,"accn":"0001415889-15-001903","fy":2015,"fp":"FY","form":"10-K","filed":"2015-05-28","frame":"CY2015Q1I"}]}},"CertificatesOfDepositAtCarryingValue":{"label":"Certificates of Deposit, at Carrying Value","description":"A savings certificate entitling the Entity (that is, bearer) to receive interest at an established maturity date, based upon a fixed interest rate. 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