Guarantees (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Mar. 31, 2014
Commitments to Extend Credit [Member]
Loan Commitments and Letters of Credit [Line Items]
Notional Amount	$ 290,666	$ 249,803	$ 252,064
Fair Value	0	0	0
Standby Letters of Credit [Member]
Loan Commitments and Letters of Credit [Line Items]
Notional Amount	3,213	3,317	3,208
Fair Value	$ 24	$ 39	$ 53