Long-Term Borrowings and Subordinated Debt - Schedule of Junior Subordinated Debt Securities and Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Junior Subordinated Debentures [Line Items]
Balance	$ 45,619	$ 45,619	$ 45,619
Interest Expense	1,434	1,327	1,222
2006 Junior Subordinated Debt
Junior Subordinated Debentures [Line Items]
Balance	25,000	25,000	25,000
Interest Expense	580	554	463
2008 Junior subordinated debt—trust preferred securities
Junior Subordinated Debentures [Line Items]
Balance	20,619	20,619	20,619
Interest Expense	$ 854	$ 773	$ 759