Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accumulated Other Comprehensive Loss [Abstract]
Net unrealized gains on securities	$ 1,138	$ 2,352
Tax effect	(387)	(800)
Net of tax amount	751	1,552
Net unrealized losses on derivatives		(191)
Tax effect		65
Net of tax amount		(126)
Accumulated pension adjustment	(6,777)	(6,858)	$ (5,814)
Tax effect	2,304	2,332	1,977
Net of tax amount	(4,473)	(4,526)	$ (3,837)
Total accumulated other comprehensive loss	$ (3,722)	$ (3,100)