CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net income (loss)	$ 4,388	$ (957)
Other comprehensive income (loss), net of tax:
Change in fair value of interest rate swap agreements	(631)
Total other comprehensive income (loss)	(631)
Comprehensive income (loss)	$ 3,757	$ (957)