Commitments and Contingencies - Summary of The Contractual Amount of Commitments (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Loss Contingencies [Line Items]
Contractual amount of commitments, total	$ 182,055	$ 207,557
Commitments to extend credit [Member]
Loss Contingencies [Line Items]
Contractual amount of commitments, total	75,400	104,982
Home equity loans
Loss Contingencies [Line Items]
Contractual amount of commitments, total	98,523	94,443
Standby letters of credit [Member]
Loss Contingencies [Line Items]
Contractual amount of commitments, total	$ 8,132	$ 8,132