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Mortgage Servicing Rights ("MSRs") (Mortgage Banking Income) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Transfers and Servicing [Abstract]    
Origination and processing fees $ 58 $ 258
Gain on sales of mortgage loans, net 439 552
MSR valuation allowance 0 0
Servicing fees 161 165
Amortization (163) (187)
Mortgage banking income, net $ 495 $ 788