Segment Reporting - Summary of Total Assets by Segment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Total assets	$ 130,797,795	$ 142,687,424
Rental Housing
Segment Reporting Information [Line Items]
Total assets	64,665,680	68,464,413
Industrial
Segment Reporting Information [Line Items]
Total assets	20,050,095	21,624,736
Net Lease
Segment Reporting Information [Line Items]
Total assets	8,117,528	9,011,326
Office
Segment Reporting Information [Line Items]
Total assets	2,945,455	3,293,163
Data Centers
Segment Reporting Information [Line Items]
Total assets	2,927,807	3,203,585
Hospitality
Segment Reporting Information [Line Items]
Total assets	2,867,166	3,768,473
Retail
Segment Reporting Information [Line Items]
Total assets	2,505,146	2,722,839
Self Storage
Segment Reporting Information [Line Items]
Total assets	739,743	2,247,351
Investments in Real Estate Debt
Segment Reporting Information [Line Items]
Total assets	23,264,164	25,363,546
Other (Corporate)
Segment Reporting Information [Line Items]
Total assets	$ 2,715,011	$ 2,987,992