Commitments, Guarantees and Contingent Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Fixed Rate, Commitments to make loans	$ 43,201	$ 37,546
Fixed Rate, Unused lines of credit	17,148	20,385
Fixed Rate, Standby letters of credit	0	0
Fixed Rate, Total	60,349	57,931
Variable Rate, Commitments to make loans	99,351	69,232
Variable Rate, Unused lines of credit	295,745	307,449
Variable Rate, Standby letters of credit	17,809	17,886
Variable Rate, Total	$ 412,905	$ 394,567