Mortgage Banking Activities (Mortgage Banking Income) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Transfers and Servicing [Abstract]      
Origination and processing fees $ (748) $ (651) $ (594)
Gain on sales of mortgage loans, net 1,539 3,337 3,845
MSR valuation allowance 0 157 (157)
Servicing fees 678 515 171
Amortization (669) (399) (134)
Mortgage banking income, net $ 2,296 $ 4,261 $ 4,319