Real Estate Investments - Operating Results Included For Property Assets Acquired (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2022
Statement of operations:
Revenues	$ 2,198	$ 3,303
Net income attributable to Retail Opportunity Investments Corp.	$ 962	$ 1,372

Asset Acquisition, Net Income (Loss) Attributable to Parent, Total

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