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Fair Value Measurements (Impaired Loans Remeasured And Reported At Fair Value Of The Underlying Collateral) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2012
Level 2 Inputs [Member]
Mar. 31, 2011
Level 2 Inputs [Member]
Mar. 31, 2011
Level 3 Inputs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Carrying value of impaired loans before allocations   $ 10,943 $ 11,787 $ 2,633
Specific valuation allowance allocations   (2,497) (3,205) (752)
Fair value   $ 8,446 $ 8,582 $ 1,881
Accounts receivable collateral discount 20.00%      
Inventory collateral discount 50.00%