Loans - Schedule of Loans Excluding Loans Held for Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 1,321,221	$ 1,336,125	[1]
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	284,257	251,666
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	717,195	760,848
Commercial real estate | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	93,031	123,147
Commercial real estate | Real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	624,164	637,701
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	315,280	319,183
Residential real estate | Real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	207,256	209,326
Residential real estate | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	108,024	109,857
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 4,489	$ 4,428

[1] Derived from audited consolidated financial statements.