Percentage of adjustment of redemption price of stock based on market value and newly issued price.

No definition available.

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- Definition

The minimum threshold period during which a written notice is required for redemption of warrants, 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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Period Type:	duration

- Definition

Threshold number of specified consecutive trading days for stock price trigger considered for redemption of warrants.

+ References

No definition available.

+ Details

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Namespace Prefix:	mcaau_
Data Type:	xbrli:durationItemType
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- Definition

Price of the entity's common stock which would be required to be attained to trigger the redemption of warrants.

+ References

No definition available.

+ Details

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Namespace Prefix:	mcaau_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Threshold number of specified trading days for stock price trigger considered for redemption of warrants.

+ References

No definition available.

+ Details

Name:	mcaau_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays
Namespace Prefix:	mcaau_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	mcaau_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights
Namespace Prefix:	mcaau_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The period of time after completion of a business combination in which the reporting entity is required to file a registration statement with the SEC.

+ References

No definition available.

+ Details

Name:	mcaau_MaximumPeriodAfterBusinessCombinationInWhichToFileRegistrationStatement
Namespace Prefix:	mcaau_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of gross proceeds on total equity proceeds.

+ References

No definition available.

+ Details

Name:	mcaau_PercentageOfGrossProceedsOnTotalEquityProceeds
Namespace Prefix:	mcaau_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The period of time after filing within which the registration statement filed with the SEC is expected to become effective.

+ References

No definition available.

+ Details

Name:	mcaau_PeriodOfTimeWithinWhichRegistrationStatementIsExpectedToBecomeEffective
Namespace Prefix:	mcaau_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The period of time after a business combination for transfer, assign or sell any shares or warrants of the company subject to certain limited exceptions.

+ References

No definition available.

+ Details

Name:	mcaau_ThresholdDaysForTransferAssignOrSellAnySharesOrWarrantsAfterCompletionOfInitialBusinessCombinationSubjectToCertainLimitedExceptions
Namespace Prefix:	mcaau_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the information pertaining to threshold issue price for capital raising purposes in connection with the closure of a business combination.

+ References

No definition available.

+ Details

Name:	mcaau_ThresholdIssuePriceForCapitalRaisingPurposeInConnectionWithClosingOfBusinessCombination
Namespace Prefix:	mcaau_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The threshold number of specified trading period determining volume weighted average trading 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:	mcaau_ThresholdNumberOfSpecifiedTradingDaysDeterminingVolumeWeightedAverageTradingPrice
Namespace Prefix:	mcaau_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

This represents the warrants exercisable for cash or cashless basis.

+ References

No definition available.

+ Details

Name:	mcaau_WarrantsExercisableForCashOrCashlessBasis
Namespace Prefix:	mcaau_
Data Type:	xbrli:sharesItemType
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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644

+ Details

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

- 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

No definition available.

+ Details

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

- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
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

+ Details

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

- Definition

Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Details

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

- Details

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

- Details

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

Name:	us-gaap_ClassOfWarrantOrRightAxis=mcaau_PublicWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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- Details

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

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix:
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Shareholders' Deficit - Warrants (Details) - $ / shares	9 Months Ended
Shareholders' Deficit - Warrants (Details) - $ / shares	Sep. 30, 2022	Nov. 12, 2021	Nov. 09, 2021
Initial public offering
Class of Warrant or Right
Number of shares issuable per warrant			1
Exercise price of warrants			$ 11.50
Warrants
Class of Warrant or Right
Warrants expiration term	5 years
Warrants exercisable for cash or cashless basis	0
Warrants \| Initial public offering
Class of Warrant or Right
Number of warrants issued	25,000,000
Warrants \| Class A ordinary shares
Class of Warrant or Right
Number of shares issuable per warrant	1
Exercise price of warrants	$ 11.50
Maximum period after business combination in which to file registration statement	20 days
Period of time within which registration statement is expected to become effective	60 days
Public Warrants
Class of Warrant or Right
Warrants expiration term			5 years
Public Warrants \| Initial public offering
Class of Warrant or Right
Number of warrants issued	11,500,000
Public Warrants \| Class A ordinary shares
Class of Warrant or Right
Threshold issue price per share	$ 9.20
Percentage of gross proceeds on total equity proceeds	60.00%
Threshold trading days determining weighted average trading price	20 days
Adjustment one of redemption price of stock based on market value and newly issued price (as a percent)	115.00%
Public Warrants \| Redemption of Warrants When the Price per Class A Ordinary Share Equals or Exceeds $18.00
Class of Warrant or Right
Redemption price per public warrant (in dollars per share)	$ 0.01
Stock price trigger for redemption of public warrants (in dollars per share)	$ 18.00
Threshold trading days for redemption of public warrants	20 days
Threshold consecutive trading days for redemption of public warrants	30 days
Minimum threshold written notice period for redemption of public warrants	30 days
Adjustment one of redemption price of stock based on market value and newly issued price (as a percent)	180.00%
Private Placement Warrants
Class of Warrant or Right
Number of warrants issued		13,500,000
Private Placement Warrants \| Initial public offering
Class of Warrant or Right
Number of warrants issued	13,500,000
Private Placement Warrants \| Private placement
Class of Warrant or Right
Threshold days for transfer, assign or sell any shares or warrants of the company, after the completion of the initial Business Combination subject to certain limited exceptions	30 days
Number of warrants issued			12,000,000