Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, December 31, 2012	$ (4,216)
Other comprehensive income (loss) before reclassification	(232)	412
Amounts reclassified from accumulated other comprehensive income (loss)	215	215
Net current period other comprehensive income (loss)	(17)	647
Balance, March 31, 2013	(4,233)
Interest rate contract	215
Tax (expense) benefit	0
Loss on Cash Flow Hedge [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, December 31, 2012	(6,607)
Other comprehensive income (loss) before reclassification	0
Amounts reclassified from accumulated other comprehensive income (loss)	215
Net current period other comprehensive income (loss)	215
Balance, March 31, 2013	(6,392)
Foreign Currency Items [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, December 31, 2012	2,391
Other comprehensive income (loss) before reclassification	(232)
Amounts reclassified from accumulated other comprehensive income (loss)	0
Net current period other comprehensive income (loss)	(232)
Balance, March 31, 2013	$ 2,159