Consolidated Statements of Comprehensive (Loss) Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements of Comprehensive (Loss) Income
Net loss	$ (631)	$ (11,685)
Currency translation adjustment:
Unrealized net change during period	(687)	778
Cash flow hedging:
Net gain on interest rate swaps	(89)	(4,632)
Reclassification of net realized loss on interest rate swaps	4,003	22,413
Amortization of unrealized loss on interest rate swaps	4,928
Total cash flow hedging	8,842	17,781
Other comprehensive income	8,155	18,559
Comprehensive (loss) income	$ 7,524	$ 6,874