Revenue Recognition - Schedule of Fee and Other Income (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	$ 14,747	$ 16,585
Other property income:
Other	2,034	2,216
Total fee and other income	16,781	18,801
Asset and Property Management Fees [Member]
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	9,325	11,531
Leasing Commissions [Member]
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	2,996	1,499
Development Fees [Member]
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	870	553
Disposition Fees [Member]
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	1,556	1,202
Credit Facility Guaranty and Refinancing Fees [Member]
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	$ 0	$ 1,800