Summary of Signinficant Accounting Policies - Schedule of Fee and Other Income (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	$ 6,272	$ 10,556	$ 38,752
Other property income	2,937	4,691	3,313
Total fee and other income	9,209	15,247	42,065
Asset and Property Management Fees [Member]
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	5,692	7,720	10,560
Leasing commission and development fees [Member]
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	430	1,856	2,191
Disposition, asset and property management fees from RVI [Member]
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	$ 150	$ 980	$ 26,001