Summary of Significant Accounting Policies - Non-cash Investing and Financing Activities (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Significant Noncash Transactions [Line Items]
Consolidation of the net assets (excluding mortgages as disclosed below) of previously unconsolidated joint ventures	$ 0	$ 42,800	$ 132,300
Repurchase of Operating Partnership units	4,100	0	2,100
Net assets acquired from unconsolidated joint ventures	0	8,500	11,600
Mortgages assumed, of previously unconsolidated joint ventures	0	0	73,900
Mortgages assumed, shopping center acquisitions	0	0	17,900
Accrued liabilities for sold properties	5,400	0	0
Accounts payable related to construction in progress	7,000	12,200	13,400
Dividends declared, but not paid	63,806	30,389	28,200
Tax receivable - investment sale proceeds	0	0	2,100
Write-off of preferred share original issuance costs	0	0	5,100
Building [Member]
Other Significant Noncash Transactions [Line Items]
Assumption of buildings due to ground lease terminations	$ 0	$ 2,900	$ 0