Pension (Net Pension Cost) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Pension [Abstract]
Service cost - benefits earned during the period	$ 126	$ 133	$ 252	$ 266
Interest cost on projected benefit obligation	1,216	1,262	2,432	2,523
Expected Return on Plan Assets	(1,523)	(1,561)	(3,046)	(3,122)
Amortization of unrecognized net loss	654	360	1,309	720
Net periodic pension cost	$ 473	$ 194	$ 947	$ 387