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Servicing Assets (Narratives) (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Servicing Assets At Fair Value Line Items        
Servicing Asset at Fair Value, Amount $ 7,455,000 $ 13,992,000 $ 13,801,000 $ 10,795,000
Servicing fee 4,800,000 6,300,000 5,500,000  
Mortgage Servicing Rights Sale Price 7,000,000      
Proceeds from the sale of Mortgage Servicing Rights 5,927,000 $ 0 $ 0  
Loss on MSR Held-for-Sale $ (2,700,000)