Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net income	$ 2,869	$ 7,627	$ 10,853	$ 28,855
Other comprehensive income (loss):
Unrealized (loss) gain on effective portion of cash flow hedges, net of tax of $72 and $779 in 2016 and $4,700 and $4,874 in 2015, respectively	(115)	(7,573)	1,244	(7,853)
Reclassification of cash flow hedge losses into statement of operations, net of tax of $1,596 and $5,215 in 2016 and $1,647 and $4,124 in 2015, respectively	2,549	2,652	8,331	6,644
Total other comprehensive income (loss)	2,434	(4,921)	9,575	(1,209)
Comprehensive income	$ 5,303	$ 2,706	$ 20,428	$ 27,646