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and Cash Equivalents, Period Increase (Decrease)","description":"Amount of increase (decrease) in cash and cash equivalents. 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Includes effect from exchange rate 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entity.","units":{"USD":[{"end":"2010-12-31","val":9532000,"accn":"0000908834-11-000215","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-15"},{"end":"2010-12-31","val":9532000,"accn":"0000908834-11-000297","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-14"},{"end":"2010-12-31","val":9532000,"accn":"0000908834-12-000110","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-16","frame":"CY2010Q4I"},{"end":"2011-06-30","val":9692000,"accn":"0000908834-11-000215","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-15","frame":"CY2011Q2I"},{"end":"2011-09-30","val":9774000,"accn":"0000908834-11-000297","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-14","frame":"CY2011Q3I"},{"end":"2011-12-31","val":9855000,"accn":"0000908834-12-000110","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-16"},{"end":"2011-12-31","val":9855000,"accn":"0000908834-12-000194","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-14"},{"end":"2011-12-31","val":9855000,"accn":"0000908834-12-000274","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-14"},{"end":"2011-12-31","val":9855000,"accn":"0000908834-12-000346","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-14"},{"end":"2011-12-31","val":9855000,"accn":"0000908834-13-000143","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-19","frame":"CY2011Q4I"},{"end":"2012-03-31","val":9931000,"accn":"0000908834-12-000194","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-14","frame":"CY2012Q1I"},{"end":"2012-06-30","val":10009000,"accn":"0000908834-12-000274","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-14","frame":"CY2012Q2I"},{"end":"2012-09-30","val":10086000,"accn":"0000908834-12-000346","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-14","frame":"CY2012Q3I"},{"end":"2012-12-31","val":10161000,"accn":"0000908834-13-000143","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-19"},{"end":"2012-12-31","val":10161000,"accn":"0000908834-13-000213","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-15"},{"end":"2012-12-31","val":10161000,"accn":"0000908834-13-000299","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-14"},{"end":"2012-12-31","val":10161000,"accn":"0000908834-13-000376","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14"},{"end":"2012-12-31","val":10161000,"accn":"0000908834-14-000151","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-18","frame":"CY2012Q4I"},{"end":"2013-03-31","val":10229000,"accn":"0000908834-13-000213","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-15","frame":"CY2013Q1I"},{"end":"2013-06-30","val":10298000,"accn":"0000908834-13-000299","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-14","frame":"CY2013Q2I"},{"end":"2013-09-30","val":10368000,"accn":"0000908834-13-000376","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14","frame":"CY2013Q3I"},{"end":"2013-12-31","val":10230000,"accn":"0000908834-14-000151","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-18"},{"end":"2013-12-31","val":10230000,"accn":"0000908834-14-000285","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15"},{"end":"2013-12-31","val":10230000,"accn":"0000908834-14-000523","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-14"},{"end":"2013-12-31","val":10230000,"accn":"0000908834-14-000666","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-14"},{"end":"2013-12-31","val":10230000,"accn":"0000908834-15-000124","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-12","frame":"CY2013Q4I"},{"end":"2014-03-31","val":10310000,"accn":"0000908834-14-000285","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-15","frame":"CY2014Q1I"},{"end":"2014-06-30","val":10353000,"accn":"0000908834-14-000523","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-14","frame":"CY2014Q2I"},{"end":"2014-09-30","val":10413000,"accn":"0000908834-14-000666","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-14","frame":"CY2014Q3I"},{"end":"2014-12-31","val":12477000,"accn":"0000908834-15-000124","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-12"},{"end":"2014-12-31","val":12477000,"accn":"0000908834-15-000220","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":12477000,"accn":"0000908834-15-000332","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-12"},{"end":"2014-12-31","val":12477000,"accn":"0000908834-15-000397","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-10","frame":"CY2014Q4I"},{"end":"2015-03-31","val":12555000,"accn":"0000908834-15-000220","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":12632000,"accn":"0000908834-15-000332","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-12","frame":"CY2015Q2I"},{"end":"2015-09-30","val":12710000,"accn":"0000908834-15-000397","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-10","frame":"CY2015Q3I"}]}},"CashUninsuredAmount":{"label":"Cash, Uninsured Amount","description":"The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.","units":{"USD":[{"end":"2013-12-31","val":3200000,"accn":"0000908834-14-000151","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-18","frame":"CY2013Q4I"},{"end":"2014-12-31","val":7566000,"accn":"0000908834-15-000124","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-12","frame":"CY2014Q4I"}]}},"CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield":{"label":"Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield","description":"The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan for loans accounted for as 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":"2012-12-31","val":673000,"accn":"0000908834-13-000376","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14","frame":"CY2012Q4I"},{"end":"2012-12-31","val":673000,"accn":"0000908834-13-000299","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-14"},{"end":"2012-12-31","val":673000,"accn":"0000908834-13-000213","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-15"},{"end":"2012-12-31","val":673000,"accn":"0000908834-13-000143","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-19"},{"end":"2013-03-31","val":554000,"accn":"0000908834-13-000299","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-14","frame":"CY2013Q1I"},{"end":"2013-03-31","val":554000,"accn":"0000908834-13-000213","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-15"},{"end":"2013-06-30","val":575000,"accn":"0000908834-13-000376","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14","frame":"CY2013Q2I"},{"end":"2013-06-30","val":575000,"accn":"0000908834-13-000299","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-14"},{"end":"2013-09-30","val":448000,"accn":"0000908834-13-000376","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14","frame":"CY2013Q3I"}]}},"CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion":{"label":"Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Accretion","description":"Current period recognition due to accretion of the excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan for loans accounted for as 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":[{"start":"2012-01-01","end":"2012-12-31","val":-77000,"accn":"0000908834-13-000143","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-19","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-124000,"accn":"0000908834-13-000213","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-15","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-295000,"accn":"0000908834-13-000299","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-14"},{"start":"2013-04-01","end":"2013-06-30","val":-171000,"accn":"0000908834-13-000299","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-14","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":422000,"accn":"0000908834-13-000376","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14"},{"start":"2013-07-01","end":"2013-09-30","val":127000,"accn":"0000908834-13-000376","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14","frame":"CY2013Q3"}]}},"CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAdditions":{"label":"Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Additions","description":"Increases in the aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan due to the acquisition of similar loans accounted for as debt securities during the period. This relates to loans accounted for as 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":[{"start":"2012-01-01","end":"2012-12-31","val":750000,"accn":"0000908834-13-000143","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-19","frame":"CY2012"}]}},"CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference":{"label":"Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference","description":"Change in the estimate of cash flows expected to be collected, after acquisition of a loan, which results in an increase in accretable yield (for example, if actual cash flows are significantly greater than previously expected). 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This item includes treasury stock repurchased by the entity. 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Leases, Future Minimum Payments Due","description":"Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.","units":{"USD":[{"end":"2012-12-31","val":2272000,"accn":"0000908834-13-000143","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":3544000,"accn":"0000908834-14-000151","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-18","frame":"CY2013Q4I"},{"end":"2014-12-31","val":4200000,"accn":"0000908834-15-000124","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-12","frame":"CY2014Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueCurrent":{"label":"Operating Leases, Future Minimum Payments Due, Next Twelve Months","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-12-31","val":224000,"accn":"0000908834-13-000143","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":315000,"accn":"0000908834-14-000151","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-18","frame":"CY2013Q4I"},{"end":"2014-12-31","val":413000,"accn":"0000908834-15-000124","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-12","frame":"CY2014Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInFiveYears":{"label":"Operating Leases, Future Minimum Payments, Due in Five Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-12-31","val":195000,"accn":"0000908834-13-000143","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":236000,"accn":"0000908834-14-000151","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-18","frame":"CY2013Q4I"},{"end":"2014-12-31","val":320000,"accn":"0000908834-15-000124","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-12","frame":"CY2014Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInFourYears":{"label":"Operating Leases, Future Minimum Payments, Due in Four Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-12-31","val":195000,"accn":"0000908834-13-000143","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":282000,"accn":"0000908834-14-000151","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-18","frame":"CY2013Q4I"},{"end":"2014-12-31","val":352000,"accn":"0000908834-15-000124","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-12","frame":"CY2014Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInThreeYears":{"label":"Operating Leases, Future Minimum Payments, Due in Three Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-12-31","val":195000,"accn":"0000908834-13-000143","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":282000,"accn":"0000908834-14-000151","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-18","frame":"CY2013Q4I"},{"end":"2014-12-31","val":397000,"accn":"0000908834-15-000124","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-12","frame":"CY2014Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInTwoYears":{"label":"Operating Leases, Future Minimum Payments, Due in Two Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-12-31","val":234000,"accn":"0000908834-13-000143","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-19","frame":"CY2012Q4I"},{"end":"2013-12-31","val":286000,"accn":"0000908834-14-000151","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-18","frame":"CY2013Q4I"},{"end":"2014-12-31","val":414000,"accn":"0000908834-15-000124","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-12","frame":"CY2014Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueThereafter":{"label":"Operating Leases, Future Minimum Payments, Due Thereafter","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. 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5-14","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":7916000,"accn":"0000908834-15-000332","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-12"},{"start":"2015-01-01","end":"2015-09-30","val":11931000,"accn":"0000908834-15-000397","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-10"}]}},"ProceedsFromShortTermDebt":{"label":"Proceeds 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Weighted average relates to the portion of time within a reporting period that common shares have been issued and outstanding to the total time in that period. 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