Pension Plan (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Components of net periodic pension cost [Abstract]
Interest cost	$ 65	$ 72	$ 196	$ 209
Expected return on plan assets	(91)	(89)	(270)	(271)
Amortization of net loss	98	70	295	180
Net Periodic Pension Plan Cost	$ 72	$ 53	$ 221	$ 118