Sales Price Of Property Sold

No definition available.

Name:	roic_SalesPriceOfPropertySold
Namespace Prefix:	roic_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(9)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 25
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
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-Section 45
-Paragraph 12
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
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-URI https://asc.fasb.org/1943274/2147477332/976-310-50-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=roic_BressiRanchMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=roic_MarketplaceDelRioMember
Namespace Prefix:
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Balance Type:
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- Details

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Namespace Prefix:
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- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=roic_PCCCommunityMarketsMember
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Balance Type:
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- Details

Name:	srt_StatementGeographicalAxis=roic_EdmondsWashingtonMember
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Real Estate Investment - Narrative (Details) ft² in Thousands, $ in Thousands				3 Months Ended		9 Months Ended
	Aug. 27, 2024 USD ($)	Jul. 17, 2024 USD ($)	Apr. 04, 2024 USD ($) ft²	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Real Estate [Line Items]
Proceeds from sale of real estate						$ 66,383	$ 0
Gain on sale of real estate				$ 26,656	$ 0	26,656	$ 0
Bressi Ranch \| Carlsbad, CA
Real Estate [Line Items]
Investments in Real Estate			$ 71,000
Area of Real Estate Property \| ft²			116
Marketplace Del Rio \| Oceanside, California
Real Estate [Line Items]
Sales price of property sold		$ 56,600
Proceeds from sale of real estate		$ 54,900
Gain on sale of real estate				22,200		22,200
PCC Community Markets Plaza \| Edmonds, Washington
Real Estate [Line Items]
Sales price of property sold	$ 12,200
Proceeds from sale of real estate	$ 11,500
Gain on sale of real estate				$ 4,400		$ 4,400