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DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION, Business Activities (Details) | 6 Months Ended
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Jun. 30, 2024 Campus State
Business Activities [Abstract] |
Number of campuses | 22
Number of states in which schools operate across the United States | State | 13
Number of campuses treated as destination schools | 5

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- References No definition available. + Details
Name: | linc_BusinessActivitiesAbstract
Namespace Prefix: | linc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of campuses. + References No definition available. + Details
Name: | linc_NumberOfCampuses
Namespace Prefix: | linc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Refers to the number of campuses treated as destination schools. + References No definition available. + Details
Name: | linc_NumberOfCampusesTreatedAsDestinationSchools
Namespace Prefix: | linc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant