Equity - Changes in AOCI/L by Component (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,090,428	$ 938,593
Change in AOCI/L before reclassifications to income	677	(93,435)
Reclassifications from AOCL/I to income	5,373	2,401
Other comprehensive income (loss), net of tax	6,050	(91,034)
Ending balance	891,594	890,275
Derivative reclassifications	8,791	(15,791)
Interest (income) expense, net
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Derivative reclassifications	(7,032)	(3,192)
Interest rate swaps
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Loss to be reclassified within twelve months	29,200
Interest rate swaps | Interest (income) expense, net
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Derivative reclassifications	7,000	3,200
Interest Rate Swaps
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(78,104)	(47,164)
Change in AOCI/L before reclassifications to income	0	(47,054)
Reclassifications from AOCL/I to income	5,270	2,322
Other comprehensive income (loss), net of tax	5,270	(44,732)
Ending balance	(72,834)	(91,896)
Defined Benefit Pension Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(9,309)	(8,584)
Change in AOCI/L before reclassifications to income	0	0
Reclassifications from AOCL/I to income	103	79
Other comprehensive income (loss), net of tax	103	79
Ending balance	(9,206)	(8,505)
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(11,815)	(22,190)
Change in AOCI/L before reclassifications to income	677	(46,381)
Reclassifications from AOCL/I to income	0	0
Other comprehensive income (loss), net of tax	677	(46,381)
Ending balance	(11,138)	(68,571)
Accumulated Other Comprehensive Loss, Net
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(99,228)	(77,938)
Other comprehensive income (loss), net of tax	6,050	(91,034)
Ending balance	$ (93,178)	$ (168,972)