Shareholder's Equity - Accumulated Other Comprehensive Loss, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020	Dec. 31, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 308,089	$ 361,873	$ 380,326	$ 376,772
Other comprehensive loss before reclassification	5,996		(64,929)
Amounts reclassified from accumulated other comprehensive loss, net	8,620		18,605
Other comprehensive income (loss)	14,616	(9,796)	(46,324)	(26,729)
Balance at end of period	334,335	348,221	334,335	348,221
Disproportionate tax effect	14,700		14,700
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(77,001)		(59,143)
Other comprehensive loss before reclassification	11,068		(6,790)
Amounts reclassified from accumulated other comprehensive loss, net	0		0
Other comprehensive income (loss)	11,068		(6,790)
Balance at end of period	(65,933)		(65,933)
Deferred income tax expense (benefit)	(4,654)		(4,654)		$ (5,597)	$ (5,474)
Deferred tax expense (benefit) before reclassification	943		820
Unrealized Losses on Interest Rate Derivative Contracts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(61,826)		(18,744)
Other comprehensive loss before reclassification	(5,072)		(58,139)
Amounts reclassified from accumulated other comprehensive loss, net	8,620		18,605
Other comprehensive income (loss)	3,548		(39,534)
Balance at end of period	(58,278)		(58,278)
Deferred income tax expense (benefit)	1,981		1,981		$ 1,246	$ 14,273
Deferred tax expense (benefit) before reclassification	272		(9,312)
Deferred tax expense (benefit), reclassification from AOCI	463		(2,980)
Accumulated Other Comprehensive Loss, Net
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(138,827)	(83,810)	(77,887)	(66,877)
Balance at end of period	$ (124,211)	$ (93,606)	$ (124,211)	$ (93,606)