Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income (loss)	$ 8,057	$ (21,384)	$ 21,180	$ (17,268)
Other comprehensive income (loss), net of tax:
Change in fair value of interest rate swap agreements	474		(1,296)
Total other comprehensive income (loss)	474		(1,296)
Comprehensive income (loss)	$ 8,531	$ (21,384)	$ 19,884	$ (17,268)