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Investment In and Advances to Affiliate - Additional Information (Detail)		1 Months Ended	12 Months Ended
	Jul. 01, 2018 USD ($) ShoppingCenter shares	Oct. 31, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jun. 26, 2018
Investments In And Advances To Affiliates [Line Items]
Mortgage debt			$ 54,577,000	$ 125,799,000
Mortgages
Investments In And Advances To Affiliates [Line Items]
Mortgage debt			54,600,000	$ 125,800,000
Retail Value Inc. [Member]
Investments In And Advances To Affiliates [Line Items]
Aggregate purchase price		$ 1.00
Retail Value Inc. [Member] \| Management Agreement [Member]
Investments In And Advances To Affiliates [Line Items]
Fee and other income			$ 1,000,000.0
Retail Value Inc. [Member] \| Series A Preferred Stock
Investments In And Advances To Affiliates [Line Items]
Preferred stock, number of shares issued \| shares	1,000
Preferred stock, value	$ 190,000,000.0
Distribution Received		$ 190,000,000.0
Retail Value Inc. [Member] \| Spin-off [Member]
Investments In And Advances To Affiliates [Line Items]
Number of shopping centers in connection with spinoff \| ShoppingCenter	48
Gross asset value	$ 2,700,000,000
Percentage of distribution of outstanding common shares rights to holders					100.00%
Spin off distribution description	On the spin-off date, holders of SITE Centers’ common shares received one common share of RVI for every ten shares of SITE Centers’ common stock held on the record date.
Retail Value Inc. [Member] \| Spin-off [Member] \| Mortgages
Investments In And Advances To Affiliates [Line Items]
Mortgage debt	$ 1,270,000,000
Retail Value Inc. [Member] \| Spin-off [Member] \| UNITED STATES
Investments In And Advances To Affiliates [Line Items]
Number of shopping centers in connection with spinoff \| ShoppingCenter	36
Retail Value Inc. [Member] \| Spin-off [Member] \| PUERTO RICO
Investments In And Advances To Affiliates [Line Items]
Number of shopping centers in connection with spinoff \| ShoppingCenter	12