Pension (Net Pension Cost) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Pension [Abstract]
Service cost - benefits earned during the period	$ 127	$ 133	$ 379	$ 399
Interest cost on projected benefit obligation	1,139	1,262	3,571	3,785
Expected Return on Plan Assets	(1,523)	(1,561)	(4,569)	(4,683)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(203)	0	(203)	0
Amortization of unrecognized net loss	660	359	1,969	1,079
Net periodic pension cost	$ 200	$ 193	$ 1,147	$ 580