Summary of Significant Accounting Policies - Non-cash Investing and Financing Activities (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Significant Noncash Transactions [Line Items]
Consolidation of the net assets (excluding mortgages as disclosed below) of previously unconsolidated joint ventures	$ 42,800	$ 132,300	$ 272,600
Acquisition of non-controlling interest	0	2,100	0
Investment in joint ventures related to net assets acquired	8,500	11,600	86,400
Mortgages assumed, of previously unconsolidated joint ventures	0	73,900	196,600
Mortgages assumed, shopping center acquisitions	0	17,900	0
Accounts payable related to construction in progress	12,200	13,400	6,300
Dividends declared, but not paid	30,389	28,243	14,800
Tax receivable - investment sale proceeds	0	2,100	0
Write-off of preferred share original issuance costs	0	5,100	0
Building [Member]
Other Significant Noncash Transactions [Line Items]
Assumption of buildings due to ground lease terminations	$ 2,900	$ 0	$ 3,000