Consolidated Statements of Comprehensive (Loss) Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (1,677)	$ 21,034	$ (63,284)	$ 36,656
Other comprehensive income (loss), net of taxes:
Gross unrealized (losses) gains on derivative financial instruments	0	(425)	0	93
Currency translation adjustments	1,373	(1,797)	(1,563)	(494)
Other comprehensive income (loss)	1,373	(2,222)	(1,563)	(401)
Comprehensive (loss) income	(304)	18,812	(64,847)	36,255
Comprehensive (income) loss attributable to noncontrolling interests	(191)	29	(321)	85
Comprehensive (loss) income attributable to common unitholders	$ (495)	$ 18,841	$ (65,168)	$ 36,340