Pension Plan (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	May. 31, 2014
PENSION PLAN
Discount rate used to re-measure pension obligation (as a percent)			4.46%
Components of net periodic pension cost
Interest cost	$ 92	$ 79
Expected return on plan assets	(83)	(79)
Amortization of Net Actuarial Loss	59	64
Net periodic pension cost	68	64
Contributions paid	$ 40	$ 36