Revenue Recognition - Schedule of Fee and Other Income (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	$ 12,901	$ 9,100	$ 28,964	$ 32,466
Other property income:
Other	971	580	2,395	3,487
Total fee and other income	13,872	9,680	31,359	35,953
Asset and Property Management Fees [Member]
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	6,459	7,326	19,636	24,201
Leasing Commissions [Member]
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	624	648	2,679	4,327
Development Fees [Member]
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	258	210	497	1,256
RVI Disposition Fees [Member]
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	5,500	856	6,092	2,622
RVI Credit Facility Guaranty Fees [Member]
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	$ 60	$ 60	$ 60	$ 60