Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 5,727	$ 20,867	$ 9,555	$ 35,651
Unrealized gain (loss) on interest rate derivative contracts, net of deferred income tax expense of $735 and benefit of $583 for the three months ended September 30, 2020 and 2019, respectively, and benefits of $12,292 and $7,860 for the nine months ended September 30, 2020 and 2019, respectively.	3,548	(2,798)	(39,534)	(29,107)
Foreign currency translation adjustments, net of deferred income tax expense of $943 and $0 for the three months ended September 30, 2020 and 2019, respectively, and expense (benefit) of $820 and $(242) for the nine months ended September 30, 2020 and 2019, respectively.	11,068	(6,998)	(6,790)	2,378
Other comprehensive income (loss)	14,616	(9,796)	(46,324)	(26,729)
Total comprehensive income (loss)	20,343	11,071	(36,769)	8,922
Less: Comprehensive income (loss) attributable to noncontrolling interests	10	2	46	(3)
Comprehensive income (loss) attributable to controlling interests	$ 20,333	$ 11,069	$ (36,815)	$ 8,925