SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Short-term Investments (Details)	12 Months Ended
Dec. 31, 2022
Minimum [Member]
Short-term Investments [Abstract]
Maturity period for short-term investments	3 months
Maximum [Member]
Short-term Investments [Abstract]
Maturity period for short-term investments	12 months

The maturity period of Short-term investments not considered cash and cash equivalents for classification as short-term investments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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