Variable Interest Entities - Balance Sheet Disclosures (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Variable Interest Entity [Line Items]
Buildings and improvements	$ 12,025,271	$ 11,048,433
Development costs and construction in progress	877,423	613,182
Land	2,603,964	1,867,278
Accumulated depreciation and amortization	(2,839,229)	(2,409,135)
Net real estate	12,667,429	11,119,758
Accounts receivable, net	48,691	42,269
Cash and cash equivalents	158,287	44,226	$ 80,398	$ 53,979
Intangible assets, net	519,760	519,917
Assets held for sale and discontinued operations, net	37,190	2,626,306
Right-of-use asset, net	233,942	192,349
Other assets, net	674,615	665,106
Total assets	15,257,519	15,920,089
Mortgage debt	352,081	221,621
Intangible liabilities, net	177,232	144,199
Liabilities related to assets held for sale and discontinued operations, net	15,056	415,737
Lease liability	204,547	179,895
Accounts payable, accrued liabilities, and other liabilities	755,384	760,617
Deferred revenue	789,207	774,316
Total liabilities	8,111,415	8,572,743
Variable Interest Entity
Variable Interest Entity [Line Items]
Buildings and improvements	2,303,920	2,988,599
Development costs and construction in progress	82,303	85,595
Land	548,168	433,574
Accumulated depreciation and amortization	(551,097)	(602,491)
Net real estate	2,383,294	2,905,277
Accounts receivable, net	5,455	12,009
Cash and cash equivalents	22,295	16,550
Restricted cash	114	7,977
Intangible assets, net	117,180	179,027
Assets held for sale and discontinued operations, net	754	704,966
Right-of-use asset, net	107,993	95,407
Other assets, net	62,886	59,063
Total assets	2,699,971	3,980,276
Mortgage debt	144,350	39,085
Intangible liabilities, net	23,909	56,467
Liabilities related to assets held for sale and discontinued operations, net	1,677	190,919
Lease liability	99,213	97,605
Accounts payable, accrued liabilities, and other liabilities	58,440	102,391
Deferred revenue	21,546	90,183
Total liabilities	349,135	576,650
Discontinued Operations | Variable Interest Entity
Variable Interest Entity [Line Items]
Buildings and improvements	0	639,759
Development costs and construction in progress	0	68
Land	0	106,209
Accumulated depreciation and amortization	0	(57,235)
Net real estate	0	688,801
Accounts receivable, net	62	1,700
Cash and cash equivalents	59	6,306
Restricted cash	0	3,124
Right-of-use asset, net	0	1,391
Other assets, net	633	3,644
Total assets	754	704,966
Mortgage debt	0	176,702
Liabilities related to assets held for sale and discontinued operations, net	1,677	11,003
Lease liability	0	1,392
Deferred revenue	0	1,822
Total liabilities	$ 1,677	$ 190,919