Aggregate price to repurchase all of outstanding shares.

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Disposition of sales relative value to threshold.

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Number of retail shopping centers.

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Percentage of distribution of outstanding common shares rights to holders.

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Preferred stock aggregate maximum additional amount.

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Threshold limit for proceeds from sale of real estate investment property.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of all notes and loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Investment In and Advances to Affiliate - Additional Information (Detail)		1 Months Ended		12 Months Ended
	Jul. 01, 2018 USD ($) ShoppingCenter shares	Dec. 31, 2021 USD ($) ShoppingCenter	Oct. 31, 2021 USD ($)	Dec. 31, 2021 USD ($) ShoppingCenter	Dec. 31, 2020 USD ($)	Jun. 26, 2018
Investments In And Advances To Affiliates [Line Items]
Mortgage indebtedness		$ 125,799,000		$ 125,799,000	$ 249,260,000
Mortgages
Investments In And Advances To Affiliates [Line Items]
Mortgage indebtedness		125,800,000		125,800,000	$ 249,300,000
Spin-off [Member]
Investments In And Advances To Affiliates [Line Items]
Distribution Received			$ 190,000,000.0
Aggregate purchase price		$ 1.00
Retail Value Inc. [Member]
Investments In And Advances To Affiliates [Line Items]
Preferred stock, number of shares issued \| shares	1,000
Disposition of sales relative value to threshold				2,060,000,000.00
Aggregate purchase price				$ 1.00
Retail Value Inc. [Member] \| Scenario One \| Series A Preferred Stock
Investments In And Advances To Affiliates [Line Items]
Preferred stock, value	$ 190,000,000.0
Maximum increase in preferred stock amount	10,000,000
Threshold limit for proceeds from sale of real estate investment property	$ 2,060,000,000.00
Retail Value Inc. [Member] \| Maximum [Member]
Investments In And Advances To Affiliates [Line Items]
Distribution Received			$ 190,000,000.0
Retail Value Inc. [Member] \| Gulfport
Investments In And Advances To Affiliates [Line Items]
Number of retail shopping centers \| ShoppingCenter		1		1
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 indebtedness	$ 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