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

- References

No definition available.

Name:	linc_ClosedSchoolLoanDischargesAbstract
Namespace Prefix:	linc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

This line item represents the composite score for financial responsibility set by the U.S. Department of Education (the "DOE").

No definition available.

Name:	linc_CompositeScoreForFinancialResponsibility
Namespace Prefix:	linc_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

Name:	linc_FinancialAidAbstract
Namespace Prefix:	linc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of liability reduced subsequently for campus one.

No definition available.

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

The amount of liability reduced subsequently for campus two.

No definition available.

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

Refers to maximum notification period make disbursements to students under the Heightened Cash Monitoring 1 (HCM1) payment method, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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

Refers to Maximum Period for institution to participate under the Zone Alternative, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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

Represents the maximum specified percentage of net revenues on cash basis indirectly derived from funds.

No definition available.

Name:	linc_MaximumSpecifiedPercentageOfNetRevenuesOnCashBasisIndirectlyDerivedFromFunds
Namespace Prefix:	linc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

This line item represents the composite score for institutes responsibility to be deemed financially responsible without the need for further oversight.

No definition available.

Name:	linc_MinimumCompositeRequiredForFinancialResponsibility
Namespace Prefix:	linc_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

Minimum percentage for Posting a letter of credit to the prior years total Title IV Program funds received by the institution during the institution's most recently completed fiscal year;

No definition available.

Name:	linc_MinimumPercentageLetterOfCreditAmountEqualPriorYearsTotalTitleIVProgramFunds
Namespace Prefix:	linc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Minimum percentage for Posting a letter of credit to the total Title IV Program funds received by the institution during the institution's most recently completed fiscal year;

No definition available.

Name:	linc_MinimumPercentageLetterOfCreditAmountEqualTotalTitleIVProgramFunds
Namespace Prefix:	linc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The number of campuses for which we received determination letters asserting liabilities for closed school loan discharges.

No definition available.

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

This element represents number of campuses received letters to reduce liabilities.

No definition available.

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

Represents the percentage of net revenues on cash basis indirectly derived from funds.

No definition available.

Name:	linc_PercentageOfNetRevenuesOnCashBasisIndirectlyDerivedFromFunds
Namespace Prefix:	linc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

This element represents percentage of official cohort default rates.

No definition available.

Name:	linc_PercentageOfOfficialCohortDefaultRates
Namespace Prefix:	linc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the number of years for which entity may not reapply for eligibility, once became ineligible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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

Period over which entity becomes ineligible if it receives 90% of its overall revenue from the funds, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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

The reduced amount of liabilities after providing documentation.

No definition available.

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

- References

No definition available.

Name:	linc_RegulatoryComplianceAbstract
Namespace Prefix:	linc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The required period for reenrolling in another Title IV Program eligible school in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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

This line item represents the composite score for financial responsibility set by the U.S. Department of Education (the "DOE").

No definition available.

Name:	linc_StandardCompositeScoreForFinancialResponsibility
Namespace Prefix:	linc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RegulatoryAgencyAxis=linc_USDepartmentOfEducationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: