The number of warrants or rights which entitle the entity to issue during the period.

No definition available.

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Namespace Prefix:	corner_
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- Definition

The percentage of class of warrants exercise price adjustment.

+ References

No definition available.

+ Details

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- Definition

Class of warrants, redemption notice period in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Face amount or stated value per unit of class of warrants.

+ References

No definition available.

+ Details

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- Definition

Number of trading days for determining fair market value per share.

+ References

No definition available.

+ Details

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- Definition

Consecutive trading days of common stock price to conversion price in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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

- Definition

Trading days for determining share price in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	corner_NumberOfTradingDaysForDeterminingSharePrice
Namespace Prefix:	corner_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of capital raised for business combination to total equity proceeds.

+ References

No definition available.

+ Details

Name:	corner_PercentageOfCapitalRaisedForBusinessCombinationToTotalEquityProceeds
Namespace Prefix:	corner_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-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

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

- 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

- Details

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- Details

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- Details

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Data Type:	na
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- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=corner_PrivatePlacementWarrantsMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=corner_SponsorMember
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Data Type:	na
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Period Type:

- Details

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Data Type:	na
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- Details

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- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_ConvertibleCommonStockMember
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Warrant Liabilities (Details Narrative) - $ / shares	1 Months Ended	9 Months Ended
Warrant Liabilities (Details Narrative) - $ / shares	Jun. 21, 2021	Sep. 30, 2024	Mar. 15, 2023
Share price	$ 10.00	$ 10.00	$ 0.04
IPO [Member]
Class of warrants and rights issued during the period	11,116,666
Share Price More Than Or Equals To USD Ten.
Share price		10.00
Share Price More Than Or Equals To USD Eighteen.
Share price		$ 18.00
Class of warrant or right, redemption price adjustment percentage		180.00%
Represents the member information pertaining to redeemable warrant (Private Placement Warrant) that entitles the holder to purchase shares of common stock if the underwriter's option is exercised in full. \| IPO [Member]
Class of warrants and rights issued during the period	4,950,000
Represents the member information pertaining to redeemable warrant (Private Placement Warrant) that entitles the holder to purchase shares of common stock if the underwriter's option is exercised in full. \| IPO [Member] \| This member stands for sponsor.
Class of warrants and rights issued during the period	4,950,000
Represents the member information pertaining to redeemable warrant (Public Warrant) that entitles the holder to purchase shares of common stock subject to adjustment. \| IPO [Member]
Class of warrants and rights issued during the period	6,166,666
Common Class A [Member]
Number of consecutive trading days for determining share price		10 days
Share price		$ 9.20
Percentage of capital raised for business combination to total equity proceeds		60.00%
Number of trading days for determining share price		30 days
Fair market value per share		$ 0.361
Common Class A [Member] \| Share Price More Than Or Equals To USD Ten.
Share price		$ 10.00
Number of trading days for determining share price		30 days
Common Class A [Member] \| Share Price More Than Or Equals To USD Eighteen.
Class of warrants, redemption price per unit		$ 0.10
Class of warrants, redemption notice period		30 days
Common Class A [Member] \| Represents the member information pertaining to redeemable warrant (Public Warrant) that entitles the holder to purchase shares of common stock subject to adjustment. \| IPO [Member]
Exercise price of warrant	$ 11.50
Common Stock [Member]
Share price		$ 9.20
Class of warrant or right, redemption price adjustment percentage		115.00%