The estimated number of students to receive automatic loan discharges.

No definition available.

Name:	linc_EstimatedNumberOfStudentsToReceiveAutomaticLoanDischarges
Namespace Prefix:	linc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The estimated number of students to receive decisions under new procedures.

+ References

No definition available.

+ Details

Name:	linc_EstimatedNumberOfStudentsToReceiveDecisionsUnderNewProcedures
Namespace Prefix:	linc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the commitments related to future employment contract.

+ References

No definition available.

+ Details

Name:	linc_FutureEmploymentContractCommitments
Namespace Prefix:	linc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of Categories of relief for student loan borrowers in the proposed settlement announced by Department of education.

+ References

No definition available.

+ Details

Name:	linc_NumberOfCategoriesOfReliefForStudentLoanBorrowers
Namespace Prefix:	linc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of student loan borrowers who submitted borrower defense applications to the Department of Education.

+ References

No definition available.

+ Details

Name:	linc_NumberOfStudentLoanBorrowersWhoSubmittedBorrowerDefenseApplications
Namespace Prefix:	linc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Period to review borrower defense applications before final settlement date.

+ References

No definition available.

+ Details

Name:	linc_PeriodToReviewBorrowerDefenseApplicationsBeforeFinalSettlementDate
Namespace Prefix:	linc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

Amount of letters of credit and other surety bonds that are available for the future payment of malpractice claims.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 954
-SubTopic 450
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477850/954-450-50-1

+ Details

Name:	us-gaap_MalpracticeLossContingencyLettersOfCreditAndSuretyBonds
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

COMMITMENTS AND CONTINGENCIES (Details) $ in Millions		5 Months Ended	12 Months Ended
COMMITMENTS AND CONTINGENCIES (Details) $ in Millions	Nov. 16, 2022 Student Decision	Nov. 16, 2022 Application	Dec. 31, 2024 USD ($)	Jun. 22, 2022 Category
COMMITMENTS AND CONTINGENCIES [Abstract]
Number of categories of relief for student loan borrowers \| Category				3
Period to review borrower defense applications before final settlement date			36 months
Estimated number of students to receive automatic loan discharges \| Student	196,000
Estimated number of students to receive decisions under new procedures \| Decision	100,000
Number of new borrowers who submitted borrower defense applications \| Application		250,000
Outstanding net loan commitment			$ 44.6
Future employment contract commitments			9.6
Surety bonds			$ 17.0