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, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue from contracts:
Total revenue from contracts with customers	$ 10,556	$ 38,752	$ 41,413
Other:
Interest income	0	0	12,000
Other	1,000	1,700	2,100
Other, Total	1,000	1,700	14,100
Revenue and other income	10,600	14,500	31,100
Asset and Property Management Fees [Member]
Revenue from contracts:
Total revenue from contracts with customers	8,308	25,798	31,255
Unconsolidated Joint Ventures [Member]
Revenue from contracts:
Total revenue from contracts with customers	9,600	12,800	17,000
Unconsolidated Joint Ventures [Member] | Asset and Property Management Fees [Member]
Revenue from contracts:
Total revenue from contracts with customers	7,700	10,600	12,800
Unconsolidated Joint Ventures [Member] | Leasing Commissions And Development Fees[Member]
Revenue from contracts:
Total revenue from contracts with customers	$ 1,900	$ 2,200	$ 4,200