Investments in and Advances to Joint Ventures - Revenues Earned by Company's Unconsolidated Joint Ventures and Interest Income (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue from contracts:
Total revenue from contracts with customers	$ 6,272	$ 10,556	$ 38,752
Other	700	1,000	1,700
Revenue and other income	6,800	10,600	14,500
Asset and Property Management Fees [Member]
Revenue from contracts:
Total revenue from contracts with customers	5,692	7,720	10,560
Unconsolidated Joint Ventures [Member]
Revenue from contracts:
Total revenue from contracts with customers	6,100	9,600	12,800
Unconsolidated Joint Ventures [Member] | Asset and Property Management Fees [Member]
Revenue from contracts:
Total revenue from contracts with customers	5,700	7,700	10,600
Unconsolidated Joint Ventures [Member] | Leasing Commissions And Development Fees[Member]
Revenue from contracts:
Total revenue from contracts with customers	$ 400	$ 1,900	$ 2,200