Segment Information - Summary of Certain Balance Sheet Data by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Segment Information
Real estate, at cost	$ 5,899,098	$ 5,875,162
Investments in unconsolidated real estate ventures	104,782	264,281
Total assets	5,405,350	5,518,515
Lease termination revenue	10,300
Operating Segments | Multifamily Segment
Segment Information
Real estate, at cost	3,178,316	3,154,116
Total assets	2,572,311	2,559,395
Operating Segments | Commercial Segment
Segment Information
Real estate, at cost	2,325,479	2,357,713
Investments in unconsolidated real estate ventures	12,436	176,786
Total assets	2,529,171	2,683,947
Other
Segment Information
Real estate, at cost	395,303	363,333
Investments in unconsolidated real estate ventures	92,346	87,495
Total assets	$ 303,868	$ 275,173