SUBSEQUENT EVENT (Details)	9 Months Ended
Sep. 30, 2015 Campus
SUBSEQUENT EVENT [Abstract]
Number of campuses held for sale	2
Campuses no longer included as held for sale	1

Refers to the number of campuses no longer included as held for sale.

No definition available.

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