Variable Interest Entities - Balance Sheet Disclosures (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Buildings and improvements	$ 13,329,464	$ 12,784,078
Development costs and construction in progress	643,217	760,355
Accumulated depreciation and amortization	(3,591,951)	(3,188,138)
Net real estate	13,028,363	13,023,483
Accounts receivable, net	55,820	53,436
Cash and cash equivalents	117,635	72,032	$ 158,287	$ 44,226
Intangible assets, net	314,156	418,061
Right-of-use asset, net	240,155	237,318
Other assets, net	772,044	780,722
Total assets	15,698,850	15,771,229
LIABILITIES AND EQUITY
Mortgage debt	256,097	346,599
Intangible liabilities, net	127,380	156,193
Lease liability	206,743	208,515
Accounts payable, accrued liabilities, and other liabilities	657,196	772,485
Deferred revenue	905,633	844,076
Total liabilities	8,773,980	8,482,952
Variable Interest Entity
ASSETS
Buildings and improvements	2,392,375	2,356,905
Development costs and construction in progress	47,481	58,499
Land and improvements	307,166	324,714
Accumulated depreciation and amortization	(665,791)	(623,244)
Net real estate	2,081,231	2,116,874
Accounts receivable, net	5,906	6,893
Cash and cash equivalents	18,410	20,586
Restricted cash	613	354
Intangible assets, net	56,975	73,860
Assets held for sale, net	0	30,355
Right-of-use asset, net	97,575	99,376
Other assets, net	79,248	73,690
Total assets	2,339,958	2,421,988
LIABILITIES AND EQUITY
Mortgage debt	144,874	144,604
Intangible liabilities, net	11,884	15,066
Liabilities related to assets held for sale, net	0	401
Lease liability	99,725	99,039
Accounts payable, accrued liabilities, and other liabilities	54,975	68,979
Deferred revenue	48,316	39,661
Total liabilities	359,774	367,750
Discontinued Operations | Variable Interest Entity
ASSETS
Buildings and improvements	0	39,934
Land and improvements	0	1,926
Accumulated depreciation and amortization	0	(15,612)
Net real estate	0	26,248
Intangible assets, net	0	215
Other assets, net	0	3,892
Total assets	0	30,355
LIABILITIES AND EQUITY
Deferred revenue	0	401
Total liabilities	$ 0	$ 401