Segment Reporting - Summary of Total Assets by Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Total assets	$ 317,108	$ 234,312
Multifamily
Segment Reporting Information [Line Items]
Total assets	178,675	185,792
Industrial
Segment Reporting Information [Line Items]
Total assets	96,765	22,222
Investment in real estate debt, real estate-related and other securities
Segment Reporting Information [Line Items]
Total assets	19,331	18,779
Other (corporate)
Segment Reporting Information [Line Items]
Total assets	$ 22,337	$ 7,519