Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 19,137	$ 48,265	$ 3,656
Unrealized (loss) gain on interest rate swap and cap contracts, net of deferred income tax (benefit) expense of ($10,450),  ($4,839), and $2,795 for the years ended December 31, 2020, 2019, and 2018, respectively.	(33,415)	(18,179)
Unrealized (loss) gain on interest rate swap and cap contracts, net of deferred income tax (benefit) expense of ($10,450),  ($4,839), and $2,795 for the years ended December 31, 2020, 2019, and 2018, respectively.			8,656
Foreign currency translation adjustments, net of deferred income tax expense (benefit) of $2,391, ($242), and $107 for the years ended December 31, 2020, 2019, and 2018 respectively.	17,571	7,169	(41,938)
Other comprehensive loss	(15,844)	(11,010)	(33,282)
Total comprehensive income (loss)	3,293	37,255	(29,626)
Less: Comprehensive income (loss) attributable to noncontrolling interests	73	(9)	(17)
Comprehensive income (loss) attributable to controlling interests	$ 3,220	$ 37,264	$ (29,609)