Pension (Net Pension Cost) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Pension [Abstract]
Service cost - benefits earned during the period	$ 133	$ 126
Interest cost on projected benefit obligation	967	1,216
Expected Return on Plan Assets	(1,437)	(1,523)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(68)	0
Amortization of unrecognized net loss	651	655
Net periodic pension cost	$ 246	$ 474