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Non-performing Assets Including Troubled Debt Restructurings (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2013
Nonperforming Assets Including Troubled Debt Restructurings [Abstract] |
Aggregate of multiple consecutive maturity date extensions delay in payment, days | 120 days
Borrowers aggregate exposure for loan modification minimum | $ 250
Timely payments on contract terms for minimum consecutive months prior to consideration for removing loan from TDR status | 6 months
Minimum consecutive months payment for removing the loan from non-accrual status | 6 months

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