Segment Information - Summary of Information about Company's Reportable Operating Segments (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Rental income	$ 537,106	$ 490,799	$ 414,864
Other income			45,469
Total revenue from operations	552,353	532,864	460,333
Rental operation expenses			(138,402)
Net operating income			321,931
Impairment charges	(2,536)	(7,270)	(5,200)
Depreciation and amortization	(203,546)	(185,768)	(170,669)
Interest income	0	0	11,888
Other income (expense), net	(2,540)	(1,185)	(18,400)
Unallocated expenses			(130,485)
Equity in net income of joint ventures	27,892	47,297	1,516
Reserve of preferred equity interests, net	0	0	(19,393)
Gain on sale and change in control of interests, net	45,581	19,185	45,464
Gain on disposition of real estate, net	46,644	6,065	1,069
Income before tax expense	169,608	$ 126,966	37,721
Total gross real estate assets	$ 5,433,159		4,989,388
Operating Segments [Member] | Shopping Center [Member]
Segment Reporting Information [Line Items]
Rental income			414,864
Other income			45,456
Total revenue from operations			460,320
Rental operation expenses			(138,402)
Net operating income			321,918
Impairment charges			(5,200)
Depreciation and amortization			(170,669)
Equity in net income of joint ventures			1,516
Gain on sale and change in control of interests, net			45,464
Gain on disposition of real estate, net			1,069
Total gross real estate assets			4,989,388
Operating Segments [Member] | Loan Investments [Member]
Segment Reporting Information [Line Items]
Rental income			0
Other income			13
Total revenue from operations			13
Rental operation expenses			0
Net operating income			13
Interest income			11,888
Reserve of preferred equity interests, net			(19,393)
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Other income (expense), net			(18,400)
Unallocated expenses			$ (130,485)