Accumulated Other Comprehensive Loss (Reclassifications out of Accumulated Comprehensive Loss) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Equity [Abstract]
Prior service cost	$ 40	$ 121
Settlement expense		680
Amortization of actuarial loss	532	521
Total before tax	572	1,322
Income tax benefit	(210)	(486)
Amount reclassified out of accumulated other comprehensive loss	$ 362	$ 836