Guarantees (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Commitments to Extend Credit [Member]
Loan Commitments and Letters of Credit [Line Items]
Notional Amount	$ 293,728	$ 249,803	$ 255,587
Fair Value	0	0	0
Standby Letters of Credit [Member]
Loan Commitments and Letters of Credit [Line Items]
Notional Amount	3,201	3,317	3,157
Fair Value	$ 10	$ 39	$ 52