Accumulated Other Comprehensive Loss (Reclassifications out of Accumulated Comprehensive Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013
Equity [Abstract]
Prior service cost		$ 80	[1]	$ 80	[1]
Settlement expense				747	[1]
Amortization of actuarial loss		348	[1]	439	[1]
Total before tax		428		1,266
Income tax benefit		(159)		(464)
Amount reclassified out of accumulated other comprehensive loss	$ 802	$ 269		$ 802

[1] These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost (income) in Note 3 "Employee Benefit Plans."