Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 5,873	$ 5,749
Unrealized gain (loss) on interest rate derivative contracts, net of deferred income tax expense of $4,610 and benefit of $12,103 for the three months ended March 31, 2021 and 2020, respectively	15,064	(39,842)
Foreign currency translation adjustments, net of deferred income tax expense of $238 and benefit of $561 for the three months ended March 31, 2021 and 2020, respectively	2,605	(19,620)
Other comprehensive income (loss)	17,669	(59,462)
Total comprehensive income (loss)	23,542	(53,713)
Less: Comprehensive (loss) income attributable to noncontrolling interests	(66)	35
Comprehensive income (loss) attributable to controlling interests	$ 23,608	$ (53,748)