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Commitments and Contingencies (Schedule for Unfunded Commitments) (Details) - Reserve for Off-balance Sheet Activities [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning balance $ 5,151 $ 4,384 $ 5,662
(Benefit) provision (3,032) 767 (1,278)
Ending balance $ 2,119 $ 5,151 $ 4,384