Segment Reporting - Summary of Total Assets by Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total Assets	$ 27,159,719	$ 19,971,431
Multifamily Properties
Segment Reporting Information [Line Items]
Total Assets	16,775,079	12,225,256
Single Family Rental Homes
Segment Reporting Information [Line Items]
Total Assets	1,344,480	1,150,987
Industrial properties
Segment Reporting Information [Line Items]
Total Assets	3,189,039	2,145,163
Office properties
Segment Reporting Information [Line Items]
Total Assets	1,692,713	1,599,774
Self-Storage Properties
Segment Reporting Information [Line Items]
Total Assets	368,929	331,024
Investments in real estate debt
Segment Reporting Information [Line Items]
Total Assets	1,676,546	954,077
Other Property
Segment Reporting Information [Line Items]
Total Assets	1,226,288	764,714
Other (Corporate)
Segment Reporting Information [Line Items]
Total Assets	$ 886,645	$ 800,436