Shareholders' Equity, Noncontrolling Interests and Other Comprehensive Loss - Summary of Activity in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	$ 2,093,331	$ 2,100,106	$ 2,186,965	$ 2,081,947
Other comprehensive income (loss) before reclassifications - swap agreements	952	(15,388)	(82,444)	(51,347)
Reclassification of realized interest on swap agreements	5,506	(288)	9,598	(1,374)
Net current period other comprehensive income (loss)	6,458	(15,676)	(72,846)	(52,721)
Balance	2,052,100	2,229,523	2,052,100	2,229,523
AOCI Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	(90,209)	(29,570)	(31,175)	516
Balance	(85,873)	(44,138)	(85,873)	(44,138)
AOCI Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Net current period other comprehensive income (loss)	$ (2,122)	$ 1,108	$ 18,148	$ 8,067

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

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