Variable Interest Entities - Consolidated Assets and Liabilities of VIEs (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
ASSETS
Buildings and improvements	$ 13,097,282	$ 12,784,078
Development costs and construction in progress	863,341	760,355
Land and improvements	2,657,602	2,667,188
Accumulated depreciation and amortization	(3,498,077)	(3,188,138)
Net real estate	13,120,148	13,023,483
Accounts receivable, net	59,085	53,436
Cash and cash equivalents	63,478	72,032	$ 112,452	$ 158,287
Intangible assets, net	339,191	418,061
Right-of-use asset	233,480	237,318
Other assets, net	757,164	780,722
Total assets	15,602,534	15,771,229
Liabilities
Mortgage debt	342,349	346,599
Intangible liabilities, net	133,668	156,193
Lease liability	204,762	208,515
Accounts payable, accrued liabilities, and other liabilities	687,650	772,485
Deferred revenue	879,174	844,076
Total liabilities	8,569,706	8,482,952
Consolidated Lessees VIE
ASSETS
Buildings and improvements	2,381,624	2,356,905
Development costs and construction in progress	43,123	58,499
Land and improvements	310,343	324,714
Accumulated depreciation and amortization	(647,415)	(623,244)
Net real estate	2,087,675	2,116,874
Accounts receivable, net	5,669	6,893
Cash and cash equivalents	21,405	20,586
Restricted cash	550	354
Intangible assets, net	61,084	73,860
Assets held for sale, net	0	30,355
Right-of-use asset	98,012	99,376
Other assets, net	78,560	73,690
Total assets	2,352,955	2,421,988
Liabilities
Mortgage debt	144,804	144,604
Intangible liabilities, net	12,673	15,066
Liabilities related to assets held for sale, net	0	401
Lease liability	99,551	99,039
Accounts payable, accrued liabilities, and other liabilities	60,693	68,979
Deferred revenue	48,417	39,661
Total liabilities	366,138	367,750
Consolidated Lessees VIE | Discontinued Operations
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
Deferred revenue	0	401
Total liabilities	$ 0	$ 401