Mortgage Servicing (Schedule of Mortgage Servicing) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Servicing Asset at Amortized Cost, Balance [Roll Forward]      
Balance at beginning of year $ 726 $ 542 $ 768
Capitalized upon sale 15 466 153
Amortization charged against mortgage servicing fee income (262) (340) (349)
Valuation adjustment 14 58 (30)
Balance at end of year 493 726 542
Valuation Allowance:      
Balance at beginning of year (15) (73) (43)
Increase in impairment reserve 0 (34) (174)
Reduction of impairment reserve 14 92 144
Balance at end of year (1) (15) (73)
Fair value, beginning of year 1,494 [1],[2] 879 [1] 1,138 [1]
Fair value, end of year $ 1,447 [1] $ 1,494 [1],[2] $ 879 [1]
[1] Reported fair value represents all MSRs currently being serviced by the Company, regardless of carrying amount.
[2] Reported fair value represents all MSRs currently being serviced by the Company at December 31, 2013, regardless of carrying amount.