Commitments and Contingencies (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Loss Contingencies [Line Items]
Total unfunded commitments	$ 240,427	$ 145,129
Revolving home equity and credit card lines [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	63,769	58,008
Construction loans [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	41,472	32,044
Other loans [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	131,291	49,775
Standby letters of credit [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	$ 3,895	$ 5,302