Acquisitions - Schedule of Company Acquired Shopping Centers (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2022 USD ($)
Artesia Village [Member] | Scottsdale Arizona [Member]
Business Acquisition [Line Items]
Date Acquired	2022-01
Purchase Price	$ 14.5
Casselberry Commons [Member] | Casselberry, Florida
Business Acquisition [Line Items]
Date Acquired	2022-02
Purchase Price	$ 35.6
Shops at Boca Center [Member] | Boca Raton, Florida
Business Acquisition [Line Items]
Date Acquired	2022-03
Purchase Price	$ 90.0
Shoppes of Crabapple [Member] | Alpharetta, Georgia [Member]
Business Acquisition [Line Items]
Date Acquired	2022-04
Purchase Price	$ 4.4
La Fiesta Square [Member] | Lafayette, California [Member]
Business Acquisition [Line Items]
Date Acquired	2022-05
Purchase Price	$ 60.8
Lafayette Mercantile [Member] | Lafayette, California [Member]
Business Acquisition [Line Items]
Date Acquired	2022-05
Purchase Price	$ 43.0
Shops at Tanglewood [Member] | Houston, Texas [Member]
Business Acquisition [Line Items]
Date Acquired	2022-06
Purchase Price	$ 22.2
Boulevard Marketplace [Member] | Fairfax, Virginia [Member]
Business Acquisition [Line Items]
Date Acquired	2022-06
Purchase Price	$ 10.4
Fairfax Marketplace [Member] | Fairfax, Virginia [Member]
Business Acquisition [Line Items]
Date Acquired	2022-06
Purchase Price	$ 16.0
Fairfax Pointe [Member] | Fairfax, Virginia [Member]
Business Acquisition [Line Items]
Date Acquired	2022-06
Purchase Price	$ 8.4
Parkwood Shops [Member] | Atlanta, Georgia [Member]
Business Acquisition [Line Items]
Date Acquired	2022-07
Purchase Price	$ 8.4
Chandler Center [Member] | Chandler, Arizona [Member]
Business Acquisition [Line Items]
Date Acquired	2022-08
Purchase Price	$ 7.0
Shops at Power and Baseline [Member] | Mesa, Arizona [Member]
Business Acquisition [Line Items]
Date Acquired	2022-08
Purchase Price	$ 4.6
Northsight Plaza [Member] | Scottsdale Arizona [Member]
Business Acquisition [Line Items]
Date Acquired	2022-08
Purchase Price	$ 5.3
Broadway Center [Member] | Tempe, Arizona [Member]
Business Acquisition [Line Items]
Date Acquired	2022-08
Purchase Price	$ 6.1