Commitments, Guarantees and Contingent Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Fixed Rate, Commitments to make loans	$ 51,486	$ 80,862
Fixed Rate, Unused lines of credit	15,689	31,991
Fixed Rate, Standby letters of credit	0	0
Fixed Rate, Total	67,175	112,853
Variable Rate, Commitments to make loans	120,932	76,253
Variable Rate, Unused lines of credit	420,335	323,171
Variable Rate, Standby letters of credit	9,891	19,632
Variable Rate, Total	$ 551,158	$ 419,056