Shareholders' Equity/Partners' Capital - AOCI by Component (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance, value	$ 7,310,978	$ 5,107,883
Other comprehensive (loss) income	(42,486)	(16,738)
Amounts reclassified from AOCI		(2,311)
Ending balance, value	7,293,212	5,090,892
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance, value	(40,233)	7,664
Ending balance, value	(82,719)	(11,385)
Accumulated other comprehensive income (loss) of nonconsolidated subsidiaries
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance, value	4	3,253
Other comprehensive (loss) income	8	(985)
Amounts reclassified from AOCI		(2,311)
Ending balance, value	12	(43)
Interest rate swaps
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance, value	(36,126)	11,759
Other comprehensive (loss) income	(45,477)	(17,029)
Amounts reclassified from AOCI		0
Ending balance, value	(81,603)	(5,270)
Other
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance, value	(4,111)	(7,348)
Other comprehensive (loss) income	2,983	1,276
Amounts reclassified from AOCI		0
Ending balance, value	$ (1,128)	$ (6,072)

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

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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