The amount of related-party commitments made by the entity to do something if a particular event occurs or does not occur in the future, including executory contracts (recognised and unrecognised). [Refer: Related parties [member]]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 24
-IssueDate 2023-01-01
-Paragraph 21
-Subparagraph i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_21_i&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_CommitmentsMadeByEntityRelatedPartyTransactions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of remuneration paid or payable to the entity's directors.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_DirectorsRemunerationExpense
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate value of consulting agreement.

+ References

No definition available.

+ Details

Name:	laac_AggregateValueOfConsultingAgreement
Namespace Prefix:	laac_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Construction service contract value.

+ References

No definition available.

+ Details

Name:	laac_ConstructionServiceContractValue
Namespace Prefix:	laac_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Delaying retirement payment.

+ References

No definition available.

+ Details

Name:	laac_DelayingRetirementPayment
Namespace Prefix:	laac_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Payment under term of contract.

+ References

No definition available.

+ Details

Name:	laac_PaymentUnderTermOfContract
Namespace Prefix:	laac_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage of share of joint venture.

+ References

No definition available.

+ Details

Name:	laac_PercentageOfShareOfJointVenture
Namespace Prefix:	laac_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Restricted share units value granted.

+ References

No definition available.

+ Details

Name:	laac_RestrictedShareUnitsValueGranted
Namespace Prefix:	laac_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Service agreement term.

+ References

No definition available.

+ Details

Name:	laac_ServiceAgreementTerm
Namespace Prefix:	laac_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=laac_CompanysVpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ServiceConcessionArrangementsAxis=laac_CorporateDevelopmentServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_JointVenturesAxis=laac_MineraExarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfContractsAxis=laac_CauchariOlarozProjectMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CounterpartiesAxis=laac_MagnaConstruccionesSRLMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Related Party Transactions - Additional Information (Details) - USD ($) $ in Thousands			3 Months Ended	12 Months Ended
	Apr. 24, 2023	Apr. 20, 2023	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Disclosure Of Transactions Between Related Parties [Line Items]
Delaying retirement payment		$ 315
Payment under term of contract		24
Restricted share units value granted		$ 664
Aggregate value of consulting agreement	$ 180
Company's VP \| Corporate Development Services
Disclosure Of Transactions Between Related Parties [Line Items]
Commitments made by entity, related party transactions				$ 3,200
Minera Exar S.A.
Disclosure Of Transactions Between Related Parties [Line Items]
Directors remuneration expense				76	$ 75
Minera Exar S.A. \| Cauchari-Olaroz Project
Disclosure Of Transactions Between Related Parties [Line Items]
Total construction services contract value			$ 68,000
Percentage of share of joint venture			49.00%
Service Agreement Term			5 years
Minera Exar S.A. \| Cauchari-Olaroz Project \| Magna Construcciones S.R.L
Disclosure Of Transactions Between Related Parties [Line Items]
Total construction services contract value				$ 2,998