PROPERTY SALE AGREEMENTS, Sale-Leaseback Transaction (Details) - Colorado/Texas Sale Agreement [Member] $ in Millions	Oct. 29, 2021 USD ($) Option	Sep. 24, 2021 USD ($)
Sale-Leaseback Transaction [Abstract]
Sale price of sale-leaseback transaction		$ 46.5
Subsequent Event [Member]
Sale-Leaseback Transaction [Abstract]
Lease agreement term	20 years
Initial annual base rent	$ 2.6
Percentage of annual increase of rent	2.00%
Number of subsequent renewal options \| Option	4
Period of subsequent renewal options	5 years
Net proceeds amount	$ 28.5
Sale lease-back transaction-related expenses	1.2
Repayment of term loan and swap termination fee	$ 16.8

The amount of net proceeds from sale lease-back transaction after deduction of transaction-related expenses.

No definition available.

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Namespace Prefix:	linc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of subsequent renewal options.

+ References

No definition available.

+ Details

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

- Definition

The rent percentage increases in annually.

+ References

No definition available.

+ Details

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Namespace Prefix:	linc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Repayment amount for term loan and swap termination fee.

+ References

No definition available.

+ Details

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

- Definition

Amount of sale lease-back transaction-related related expenses.

+ References

No definition available.

+ Details

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Namespace Prefix:	linc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

The terms of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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

- Definition

The subsequent term of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller, 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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Namespace Prefix:	linc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount at the balance sheet date that has been received by the entity that represents rents paid in advance.

+ References

No definition available.

+ Details

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

- Definition

The net book value of the asset(s) sold in connection with the sale of the property to another party and lease back to the seller.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
-Paragraph 51
-URI http://asc.fasb.org/extlink&oid=123386837&loc=d3e51840-112757

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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

- Details

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Balance Type:
Period Type: