Accumulated Other Comprehensive Loss (Schedule of Accumulated Other Comprehensive Loss) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (4,495)	$ (8,446)
Other Comprehensive Income (Loss), Tax	(2,311)
Other Comprehensive Income (Loss), Net of Tax	3,951	3,581	(12,027)
Cash Flow Hedging [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(1,018)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	7,280
Other Comprehensive Income (Loss), before Tax	$ 6,262