Date when an entity was incorporated

No definition available.

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- Definition

Business combination, percentage of voting securities.

+ References

No definition available.

+ Details

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- Definition

The amount of cash was held.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The amount of Cash underwriting Fee.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

The amount of deferred underwriting fees.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

The amount of expenses on liquidation and dissolution.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the amount of other offering costs.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Percentage of asset held in trust account.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
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- Definition

The limit on the percentage of shares which may be redeemed with out prior consent of the reporting entity.

+ References

No definition available.

+ Details

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- Definition

The amount of transaction costs.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of new units issued during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	oimau_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Units per shares.

+ References

No definition available.

+ Details

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

- Definition

U.S. government securities maturity days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
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- Definition

Amount of working capital surplus.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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 808
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479402/808-10-50-1

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow associated with the amount received from entity's first offering of stock to the public.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_IPOMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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- Details

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Balance Type:
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- Details

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Description of Organization, Business Operations and Going Concern (Details) - USD ($)			3 Months Ended
	Mar. 31, 2026	Jan. 15, 2026	Mar. 31, 2026
Description of Organization, Business Operations and Going Concern [Line Items]
Date of incorporation			Sep. 05, 2025
Per unit	$ 10		$ 10
Gross proceeds	$ 287,500,000
Transaction costs			$ 16,687,698
Cash underwriting fees			275,000
Other offering costs			600,198
Maturity days		185 days
Interest to pay liquidation expenses			100,000
Net proceeds	$ 287,500,000
Deferred underwriting fees			$ 15,812,500
Percentage of asset held in trust account			80.00%
Percentage of voting equity interests to be acquired on post transaction in the business combination			50.00%
Minimum percentage that can be redeemed without prior consent of the company			15.00%
Share price	$ 10		$ 10
Working capital surplus			$ 1,492,455
Trust Account [Member]
Description of Organization, Business Operations and Going Concern [Line Items]
Cash held outside trust account		$ 883,609
Share price	10		$ 10
Class A Ordinary Shares [Member]
Description of Organization, Business Operations and Going Concern [Line Items]
Number of units issued		3,750,000
Price per share	$ 12		$ 12
Initial Public Offering [Member]
Description of Organization, Business Operations and Going Concern [Line Items]
Number of units issued		28,750,000
Gross proceeds		$ 287,500,000
Net proceeds		$ 287,500,000
Initial Public Offering [Member] \| Class A Ordinary Shares [Member]
Description of Organization, Business Operations and Going Concern [Line Items]
Number of units issued		28,750,000
Private Placement Units [Member]
Description of Organization, Business Operations and Going Concern [Line Items]
Gross proceeds		$ 2,000,000
Sale of an aggregate shares		200,000
Net proceeds		$ 2,000,000
Private Placement Units [Member] \| Warrants [Member]
Description of Organization, Business Operations and Going Concern [Line Items]
Sale of an aggregate shares		33,333
Price per share		$ 10
Private Placement Units [Member] \| Sponsor [Member]
Description of Organization, Business Operations and Going Concern [Line Items]
Number of units issued		200,000
Price per share		$ 10
Private Placement Units [Member] \| Class A Ordinary Shares [Member]
Description of Organization, Business Operations and Going Concern [Line Items]
Sale of an aggregate shares			200,000
Over-Allotment Option [Member]
Description of Organization, Business Operations and Going Concern [Line Items]
Number of units issued		3,750,000
Gross proceeds		$ 287,500,000
Net proceeds		$ 287,500,000