Loans and Allowance for Loan Losses - Summary of Non Accrual Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Financing Receivable Allowance For Credit Losses [Line Items]
Non-accrual loans, not troubled debt restructured	$ 3,791	$ 4,912
Troubled debt restructured loans, non-accrual	1,577	2,503
Total non-accrual loans	5,368	7,415
Real Estate Term
Financing Receivable Allowance For Credit Losses [Line Items]
Non-accrual loans, not troubled debt restructured	2,134	2,961
Troubled debt restructured loans, non-accrual	849	1,153
Construction and Land Development
Financing Receivable Allowance For Credit Losses [Line Items]
Non-accrual loans, not troubled debt restructured	364	56
Troubled debt restructured loans, non-accrual	709	1,329
Commercial and Industrial Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Non-accrual loans, not troubled debt restructured	838	1,176
Troubled debt restructured loans, non-accrual	19	21
Residential and Home Equity
Financing Receivable Allowance For Credit Losses [Line Items]
Non-accrual loans, not troubled debt restructured	448	631
Consumer and Other
Financing Receivable Allowance For Credit Losses [Line Items]
Non-accrual loans, not troubled debt restructured	$ 7	$ 88