Junior Subordinated Debentures (Details) - USD ($) $ in Thousands		12 Months Ended
	Oct. 16, 2014	Dec. 31, 2015	Dec. 31, 2014	Mar. 17, 2004
Junior subordinated debentures
Junior subordinated debentures		$ 5,100	$ 5,100
Floating Rate Junior Subordinated Debentures
Junior subordinated debentures
Junior subordinated debentures	$ 5,100			$ 6,000
Debt instrument interest rate description	3-Month LIBOR	3-Month LIBOR
Basis spread (as a percent)	2.54%	2.54%
Effective interest rate on debentures (as a percent)		3.07%
Payment of principal amount at face value required to extend maturity	$ 900