CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ (8,541)	$ 8,024	$ (157,693)
Other comprehensive income (loss)
Net change in fair value of interest rate swaps, net of income taxes of $972, $493, and $1,109, respectively	1,277	780	1,714
Foreign currency translation adjustment	(755)	80	(70)
Total other comprehensive income, net of tax	522	860	1,644
Total comprehensive income (loss)	$ (8,019)	$ 8,884	$ (156,049)