Shareholders' Equity, Noncontrolling Interests and Other Comprehensive Loss - Summary of Activity in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	$ 2,011,560	$ 2,106,352	$ 2,186,965	$ 2,081,947
Other comprehensive loss before reclassifications - swap agreements	(8,621)	(22,652)	(83,395)	(35,958)
Reclassification of realized interest on swap agreements	3,115	(535)	4,092	(1,086)
Net current period other comprehensive loss	(5,506)	(23,187)	(79,303)	(37,044)
Balance	2,093,331	2,100,106	2,093,331	2,100,106
AOCI Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	(85,715)	(11,021)	(31,175)	516
Balance	(90,209)	(29,570)	(90,209)	(29,570)
AOCI Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Net current period other comprehensive loss	$ 1,012	$ 4,638	$ 20,269	$ 6,958

Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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