Variable Interest Entities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Assets:
Net real estate investments	$ 32,708,608	$ 32,287,110
Cash and cash equivalents	301,089	269,265
Receivables and other assets	804,316	803,453
Total Assets	35,472,453	34,910,325
Liabilities and equity:
Secured debt	2,104,945	2,192,261
Lease liabilities	548,999	545,944
Accrued expenses and other liabilities	1,203,755	1,235,554
Total equity	18,732,066	18,596,579	$ 16,691,017	$ 16,881,572
Total liabilities and equity	35,472,453	34,910,325
VIE, Primary Beneficiary
Assets:
Net real estate investments	445,561	445,776
Cash and cash equivalents	11,489	9,964
Receivables and other assets	8,100	7,617
Total Assets	465,150	463,357
Liabilities and equity:
Secured debt	163,021	163,519
Lease liabilities	1,324	1,324
Accrued expenses and other liabilities	13,067	12,394
Total equity	287,738	286,120
Total liabilities and equity	$ 465,150	$ 463,357