CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 13,920	$ 36,271
Net change in fair value of interest rate swaps, net of income tax benefit of $1,276 and $5,344, respectively	(3,839)	(16,075)
Comprehensive income	$ 10,081	$ 20,196