v3.25.3

Commitments and Contingencies (Details) - Underwriting Agreement [Member] - USD ($)		9 Months Ended
	Dec. 16, 2024	Sep. 30, 2025
Commitments and Contingencies [Line Items]
Option from underwriters days		45 days
Cash underwriting discount price per share		$ 0.2
Payment for underwriter (in Dollars)		$ 4,600,000
Deferred underwriting fee discount price per share		$ 0.35
Deferred underwriting fee expense (in Dollars)		$ 8,050,000
Initial Public Offering [Member]
Commitments and Contingencies [Line Items]
Number of additional unit purchased (in Shares)		3,150,000
Over-Allotment Option [Member]
Commitments and Contingencies [Line Items]
Number of additional unit purchased (in Shares)	2,000,000
Price per unit	$ 10

Represent the cash underwriting discount for price per unit.

+ References

No definition available.

+ Details

Name:	mlac_CashUnderwritingDiscountForPricePerUnit
Namespace Prefix:	mlac_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Represent the deferred underwriting fee discount price per share.

+ References

No definition available.

+ Details

Name:	mlac_DeferredUnderwritingFeeDiscountPricePerShare
Namespace Prefix:	mlac_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Represent the amount for deferred underwriting fee expense.

+ References

No definition available.

+ Details

Name:	mlac_DeferredUnderwritingFeeExpense
Namespace Prefix:	mlac_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represent the number of additional units purchased.

+ References

No definition available.

+ Details

Name:	mlac_NumberOfAdditionalUnitsPurchased
Namespace Prefix:	mlac_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of days option from the date of underwriters.

+ References

No definition available.

+ Details

Name:	mlac_OptionFromTheDateOfUnderwritersDays
Namespace Prefix:	mlac_
Data Type:	xbrli:durationItemType
Balance Type:	na
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

No definition available.

+ Details

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

- Definition

Cash paid for expenses incurred during underwriting activities (the process to review insurance applications, evaluate risks, accept or reject applications, and determine the premiums to be charged) for insurance companies.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (g)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

+ Details

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

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_TypeOfArrangementAxis=mlac_UnderwritingAgreementMember
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

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

Mountain Lake Acquisition Corp. 10-Q