Price per share or per unit of warrants or rights outstanding.

No definition available.

Name:	idac_ClassOfWarrantOrRightPriceOfWarrantsOrRights
Namespace Prefix:	idac_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of gross proceeds.

+ References

No definition available.

+ Details

Name:	idac_GrossProceeds
Namespace Prefix:	idac_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The price per unit.

+ References

No definition available.

+ Details

Name:	idac_PricesPerUnit
Namespace Prefix:	idac_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of proceeds from sale of additional units.

+ References

No definition available.

+ Details

Name:	idac_ProceedsFromSaleOfAdditionalUnits
Namespace Prefix:	idac_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Sponsor surrendered shares

+ References

No definition available.

+ Details

Name:	idac_SponsorSurrenderedShares
Namespace Prefix:	idac_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of units issued during period shares exercised.

+ References

No definition available.

+ Details

Name:	idac_UnitsIssuedDuringPeriodSharesExercised
Namespace Prefix:	idac_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Shares issued.

+ References

No definition available.

+ Details

Name:	idac_UnitsIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	idac_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
-SubTopic 30
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480031/860-30-S50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

+ Details

Name:	us-gaap_AssetsHeldInTrust
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- 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

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

- Definition

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

+ References

+ Details

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

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

+ Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_FairValueByAssetClassAxis=idac_TrustAccountMember
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_RelatedPartyTransactionAxis=idac_SponsorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_RelatedPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=idac_PrivatePlacementWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

Subsequent Events (Details) - USD ($)					12 Months Ended
Subsequent Events (Details) - USD ($)	May 20, 2026	May 19, 2026	May 18, 2026	May 07, 2026	Dec. 31, 2025
IPO [Member]
Subsequent Events [Line Items]
Number of units sold			15,700,000
Private Placement [Member] \| Trust Account [Member]
Subsequent Events [Line Items]
Proceeds from sale of additional units	$ 7,035,000
Class A Ordinary Shares [Member] \| IPO [Member]
Subsequent Events [Line Items]
Sale of Private Placement Warrants			1
Class A Ordinary Shares [Member] \| Private Placement [Member]
Subsequent Events [Line Items]
Sale of Private Placement Warrants			1
Sponsor [Member] \| Class B Ordinary Shares [Member]
Subsequent Events [Line Items]
Surrendered shares					5,816,667
Sponsor [Member] \| Class B Ordinary Shares [Member] \| Related Party [Member]
Subsequent Events [Line Items]
Surrendered shares					1,916,666
Sponsor [Member] \| Class B Ordinary Shares [Member] \| Subsequent Event [Member]
Subsequent Events [Line Items]
Surrendered shares				1,916,666
Forecast [Member]
Subsequent Events [Line Items]
Gross proceeds	7,000,000
Forecast [Member] \| Private Placement Warrants [Member]
Subsequent Events [Line Items]
Sale of Private Placement Warrants			2,750,000
Price of warrant			$ 1
Aggregate purchase price			$ 2,750,000
Forecast [Member] \| Trust Account [Member]
Subsequent Events [Line Items]
Asset held in trust account	157,785,000
Forecast [Member] \| IPO [Member]
Subsequent Events [Line Items]
Number of units sold			15,000,000
Forecast [Member] \| Over-Allotment Option [Member]
Subsequent Events [Line Items]
Proceeds from sale of additional units	$ 7,035,000
Number of units exercised		700,000
Gross proceeds		$ 7,000,000
Price per unit	$ 10
Forecast [Member] \| Class A Ordinary Shares [Member] \| IPO [Member]
Subsequent Events [Line Items]
Proceeds from issuance initial public offering			$ 150,000,000
Price per unit			$ 10
Forecast [Member] \| Class B Ordinary Shares [Member]
Subsequent Events [Line Items]
Surrendered shares				1,916,666