SUBSEQUENT EVENTS (Details) - Subsequent Event [Member] - Series A Preferred Stock [Member] - USD ($) $ in Millions	Nov. 11, 2020	Nov. 10, 2020
Subsequent Events [Abstract]
Limit on payment of cash dividends	$ 2.3	$ 1.7
Period of consideration for payment of cash dividend		24 months

Period of consideration for payment of cash dividend, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

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