Acquisitions - Schedule of Company Acquired Shopping Centers (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Artesia Village [Member] | Scottsdale, Arizona [Member]
Business Acquisition [Line Items]
Date Acquired	2022-01
Purchase Price	$ 14.5
Face Value of Mortgage Debt Assumed	$ 0.0
Casselberry Commons [Member] | Casselberry, Florida [Member]
Business Acquisition [Line Items]
Date Acquired	2022-02
Purchase Price	$ 35.6
Face Value of Mortgage Debt Assumed	$ 0.0
Shops at Boca Center [Member] | Boca Raton, Florida [Member]
Business Acquisition [Line Items]
Date Acquired	2022-03
Purchase Price	$ 90.0
Face Value of Mortgage Debt Assumed	$ 0.0
Shoppes of Crabapple [Member] | Alpharetta, Georgia [Member]
Business Acquisition [Line Items]
Date Acquired	2022-04
Purchase Price	$ 4.4
Face Value of Mortgage Debt Assumed	$ 0.0
La Fiesta Square [Member] | Lafayette, California [Member]
Business Acquisition [Line Items]
Date Acquired	2022-05
Purchase Price	$ 60.8
Face Value of Mortgage Debt Assumed	$ 0.0
Lafayette Mercantile [Member] | Lafayette, California [Member]
Business Acquisition [Line Items]
Date Acquired	2022-05
Purchase Price	$ 43.0
Face Value of Mortgage Debt Assumed	$ 0.0
Shops at Tanglewood [Member] | Houston, Texas [Member]
Business Acquisition [Line Items]
Date Acquired	2022-06
Purchase Price	$ 22.2
Face Value of Mortgage Debt Assumed	$ 0.0
Boulevard at Marketplace [Member] | Fairfax, Virginia [Member]
Business Acquisition [Line Items]
Date Acquired	2022-06
Purchase Price	$ 10.4
Face Value of Mortgage Debt Assumed	$ 0.0
Fairfax, Marketplace [Member] | Fairfax, Virginia [Member]
Business Acquisition [Line Items]
Date Acquired	2022-06
Purchase Price	$ 16.0
Face Value of Mortgage Debt Assumed	$ 0.0
Fairfax, Pointe [Member] | Fairfax, Virginia [Member]
Business Acquisition [Line Items]
Date Acquired	2022-06
Purchase Price	$ 8.4
Face Value of Mortgage Debt Assumed	$ 0.0
Parkwood, Shops [Member] | Atlanta, Georgia [Member]
Business Acquisition [Line Items]
Date Acquired	2022-07
Purchase Price	$ 8.4
Face Value of Mortgage Debt Assumed	$ 0.0
Chandler Center [Member] | Chandler, Arizona [Member]
Business Acquisition [Line Items]
Date Acquired	2022-08
Purchase Price	$ 5.3
Face Value of Mortgage Debt Assumed	$ 0.0
Shops at Power and Baseline [Member] | Mesa, Arizona [Member]
Business Acquisition [Line Items]
Date Acquired	2022-08
Purchase Price	$ 4.6
Face Value of Mortgage Debt Assumed	$ 0.0
Northsight Plaza [Member] | Scottsdale, Arizona [Member]
Business Acquisition [Line Items]
Date Acquired	2022-08
Purchase Price	$ 6.1
Face Value of Mortgage Debt Assumed	$ 0.0
Broadway Center [Member] | Tempe, Arizona [Member]
Business Acquisition [Line Items]
Date Acquired	2022-08
Purchase Price	$ 7.0
Face Value of Mortgage Debt Assumed	$ 0.0
Shops on Montview [Member] | Denver, Colorado [Member]
Business Acquisition [Line Items]
Date Acquired	2022-11
Purchase Price	$ 5.8
Face Value of Mortgage Debt Assumed	$ 0.0
Shoppes at Addison Place [Member] | Delray Beach, Florida [Member]
Business Acquisition [Line Items]
Date Acquired		2021-05
Purchase Price		$ 40.0
Face Value of Mortgage Debt Assumed		$ 17.9
Emmet Street Station [Member] | Charlottesville, Virginia [Member]
Business Acquisition [Line Items]
Date Acquired		2021-05
Purchase Price		$ 8.8
Face Value of Mortgage Debt Assumed		$ 0.0
Hammond Springs [Member] | Atlanta, Georgia [Member]
Business Acquisition [Line Items]
Date Acquired		2021-09
Purchase Price		$ 31.0
Face Value of Mortgage Debt Assumed		$ 0.0
Emmet Street North [Member] | Charlottesville, Virginia [Member]
Business Acquisition [Line Items]
Date Acquired		2021-12
Purchase Price		$ 3.9
Face Value of Mortgage Debt Assumed		$ 0.0
At Home (Single Box) [Member] | Princeton, New Jersey [Member]
Business Acquisition [Line Items]
Date Acquired		2021-12
Purchase Price		$ 15.8
Face Value of Mortgage Debt Assumed		$ 0.0
Belgate Shopping Center (land parcel) [Member] | Charlotte, North Carolina [Member]
Business Acquisition [Line Items]
Date Acquired		2021-11
Purchase Price		$ 1.1
Face Value of Mortgage Debt Assumed		$ 0.0
Village Square at Golf [Member] | Boynton Beach, Florida [Member]
Business Acquisition [Line Items]
Date Acquired		2021-12
Purchase Price		$ 0.0
Face Value of Mortgage Debt Assumed		$ 0.0
Shoppes at Paradise Point [Member] | Fort Walton Beach, Florida [Member]
Business Acquisition [Line Items]
Date Acquired		2021-12
Purchase Price		$ 0.0
Face Value of Mortgage Debt Assumed		$ 0.0
Midway Plaza [Member] | Tamarac, Florida [Member]
Business Acquisition [Line Items]
Date Acquired		2021-12
Purchase Price		$ 0.0
Face Value of Mortgage Debt Assumed		$ 0.0
North Point Plaza [Member] | Tampa, Florida [Member]
Business Acquisition [Line Items]
Date Acquired		2021-12
Purchase Price		$ 0.0
Face Value of Mortgage Debt Assumed		$ 0.0
The Shoppes at New Tampa [Member] | Wesley Chapel, Florida [Member]
Business Acquisition [Line Items]
Date Acquired		2021-12
Purchase Price		$ 0.0
Face Value of Mortgage Debt Assumed		$ 0.0
Paradise Shoppes of Ellenwood [Member] | Ellenwood, Georgia [Member]
Business Acquisition [Line Items]
Date Acquired		2021-12
Purchase Price		$ 0.0
Face Value of Mortgage Debt Assumed		$ 0.0
Paradise Village Gateway [Member] | Phoenix, Arizona [Member]
Business Acquisition [Line Items]
Date Acquired		2021-12
Purchase Price		$ 0.0
Face Value of Mortgage Debt Assumed		$ 0.0