Variable Interest Entities - Consolidated Assets and Liabilities of VIEs (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
ASSETS
Buildings and improvements	$ 12,590,403	$ 12,025,271
Development costs and construction in progress	675,713	877,423
Land	2,705,260	2,603,964
Accumulated depreciation and amortization	(3,097,748)	(2,839,229)
Net real estate	12,873,628	12,667,429
Accounts receivable, net	47,340	48,691
Cash and cash equivalents	73,013	158,287	$ 96,923	$ 44,226
Intangible assets, net	470,865	519,760
Assets held for sale and discontinued operations, net	66,647	37,190
Right-of-use asset, net	233,391	233,942
Other assets, net	682,388	674,615
Total assets	15,318,203	15,257,519
Liabilities
Mortgage debt	349,329	352,081
Intangible liabilities, net	169,622	177,232
Liabilities related to assets held for sale and discontinued operations, net	15,869	15,056
Lease liability	201,124	204,547
Accounts payable, accrued liabilities, and other liabilities	706,819	755,384
Deferred revenue	814,754	789,207
Total liabilities	8,361,938	8,111,415
Consolidated Lessees VIE
ASSETS
Buildings and improvements	2,331,975	2,303,920
Development costs and construction in progress	138,655	82,303
Land	510,096	548,168
Accumulated depreciation and amortization	(592,488)	(551,097)
Net real estate	2,388,238	2,383,294
Accounts receivable, net	3,933	5,455
Cash and cash equivalents	37,274	22,295
Restricted cash	211	114
Intangible assets, net	106,855	117,180
Assets held for sale and discontinued operations, net	216	754
Right-of-use asset, net	108,390	107,993
Other assets, net	66,610	62,886
Total assets	2,711,727	2,699,971
Liabilities
Mortgage debt	144,451	144,350
Intangible liabilities, net	27,410	23,909
Liabilities related to assets held for sale and discontinued operations, net	1,668	1,677
Lease liability	98,666	99,213
Accounts payable, accrued liabilities, and other liabilities	69,143	58,440
Deferred revenue	25,431	21,546
Total liabilities	366,769	349,135
Consolidated Lessees VIE | Discontinued Operations
ASSETS
Accounts receivable, net	0	62
Cash and cash equivalents	153	59
Other assets, net	63	633
Total assets	216	754
Liabilities
Liabilities related to assets held for sale and discontinued operations, net	1,668	1,677
Total liabilities	$ 1,668	$ 1,677