CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement Of Income And Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ 38,208	$ 36,948	$ 67,323	$ 25,511
Net unrealized gain (loss) on derivatives, net of tax (benefit)	(353)	0	(577)	0
COMPREHENSIVE INCOME (LOSS)	$ 37,855	$ 36,948	$ 66,746	$ 25,511