Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Accumulated Other Comprehensive Loss [Abstract]
Net unrealized gains (losses) on securities	$ 432	$ (20)
Tax effect	(146)	7
Net of tax amount	286	(13)
Accumulated pension adjustment	(6,366)	(6,366)
Tax effect	2,164	2,164
Net of tax amount	(4,202)	(4,202)
Total accumulated other comprehensive loss	$ (3,916)	$ (4,215)