PROPERTY SALE AGREEMENT (Details) - Property Sale Agreement [Member] - USD ($) $ in Millions	Sep. 24, 2021	Mar. 31, 2023
Property Sale Agreement - Nashville, Tennessee Campus [Abstract]
Sale price of agreement	$ 34.5
Non-refundable amount to be received		$ 1.1

The amount of non-refundable receivable for sale agreement.

No definition available.

Name:	linc_NonRefundableReceivable
Namespace Prefix:	linc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant