Nature of Business and Financial Statement Presentation - Non-cash Investing and Financing Activities (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Other Significant Noncash Transactions [Line Items]
Consolidation of the net assets of previously unconsolidated joint ventures	$ 42,800	$ 0
Investment in joint venture related to net assets acquired	8,500	0
Dividends declared, but not paid	30,695	28,200	$ 28,243
Accounts payable related to construction in progress	13,600	7,300
Mortgages assumed, shopping center acquisitions	0	17,900
Write-off of preferred share original issuance costs	0	5,100
Tax receivable - investment sale proceeds	0	4,100
Building [Member]
Other Significant Noncash Transactions [Line Items]
Assumption of buildings due to ground lease terminations	$ 1,800	$ 0