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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, 2021
Dec. 31, 2020
Dec. 31, 2019
Revenue from contracts:      
Total revenue from contracts with customers $ 38,752 $ 41,413 $ 55,988
Other:      
Interest income 0 12,000 16,700
Other 1,700 2,100 3,200
Other, Total 1,700 14,100 19,900
Revenue and other income 14,500 31,100 44,800
Asset and Property Management Fees [Member]      
Revenue from contracts:      
Total revenue from contracts with customers 25,798 31,255 42,355
Unconsolidated Joint Ventures [Member]      
Revenue from contracts:      
Total revenue from contracts with customers 12,800 17,000 24,900
Unconsolidated Joint Ventures [Member] | Asset and Property Management Fees [Member]      
Revenue from contracts:      
Total revenue from contracts with customers 10,600 12,800 19,700
Unconsolidated Joint Ventures [Member] | Development Fees, Leasing Commissions and Other [Member]      
Revenue from contracts:      
Total revenue from contracts with customers $ 2,200 $ 4,200 $ 5,200