Derivatives - Schedule of Derivative Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Derivative asset	$ 1,208	$ 1,639
Total other liabilities	149	216
Commercial interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative asset	71	125
Total other liabilities	71	125
Commercial interest rate swaps | Other assets
Derivatives, Fair Value [Line Items]
Derivative asset	71	125
Commercial interest rate swaps | Other liabilities
Derivatives, Fair Value [Line Items]
Total other liabilities	71	125
Interest rate lock commitments
Derivatives, Fair Value [Line Items]
Derivative asset	1,137	1,514
Interest rate lock commitments | Other assets
Derivatives, Fair Value [Line Items]
Derivative asset	1,137	1,514
Retail interest rate contracts
Derivatives, Fair Value [Line Items]
Total other liabilities	78	91
Retail interest rate contracts | Other liabilities
Derivatives, Fair Value [Line Items]
Total other liabilities	$ 78	$ 91