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Nature of Business and Financial Statement Presentation - Non-cash Investing and Financing Activities (Detail) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Other Significant Noncash Transactions [Line Items]      
Consolidation of the net assets of previously unconsolidated joint ventures $ 0 $ 42,800  
Net assets acquired from an unconsolidated joint venture 0 8,500  
Dividends declared, but not paid 30,100 30,500 $ 30,389
Accounts payable related to construction in progress 12,000 12,600  
Repurchase of OP units 4,100 0  
Assumption of buildings due to ground lease terminations $ 0 $ 2,900