Derivatives - Schedule of Derivative Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Derivative assets	$ 1,410	$ 1,208
Derivative liabilities	73	149
Commercial interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative assets	73	71
Derivative liabilities	73	71
Commercial interest rate swaps | Other assets
Derivatives, Fair Value [Line Items]
Derivative assets	73	71
Commercial interest rate swaps | Other liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	73	71
Interest rate lock commitments
Derivatives, Fair Value [Line Items]
Derivative assets	1,337	1,137
Interest rate lock commitments | Other assets
Derivatives, Fair Value [Line Items]
Derivative assets	1,337	1,137
Retail interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative liabilities		78
Retail interest rate contracts | Other liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 0	$ 78