Represents the number of locations closed and online business exited.

No definition available.

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- Definition

Represents the percentage of total revenue earned in the segment.

+ References

No definition available.

+ Details

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- References

No definition available.

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- Details

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- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=linc_TransportationAndSkilledTradesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=linc_HealthcareAndOtherProfessionsBusinessSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=linc_TransitionalMember
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Data Type:	na
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- Details

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Namespace Prefix:
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SEGMENTS (Details) $ in Thousands	3 Months Ended
SEGMENTS (Details) $ in Thousands	Mar. 31, 2017 USD ($) Segment Location	Mar. 31, 2016 USD ($)	Mar. 31, 2015 Segment	Dec. 31, 2016 USD ($)
SEGMENTS [Abstract]
Number of locations closed \| Location	10
Number of reportable segments \| Segment	3		3
Summary financial information by reporting segment [Abstract]
Revenues	$ 65,279	$ 70,644
Percentage of Total Revenue	100.00%	100.00%
Operating Income (Loss)	$ (5,728)	$ (6,244)
Assets	136,909			$ 163,207
Reportable Segments [Member] \| Transportation and Skilled Trades [Member]
Summary financial information by reporting segment [Abstract]
Revenues	$ 42,168	$ 42,271
Percentage of Total Revenue	64.60%	59.80%
Operating Income (Loss)	$ 2,051	$ 3,367
Assets	84,659			83,320
Reportable Segments [Member] \| Healthcare and Other Professions [Member]
Summary financial information by reporting segment [Abstract]
Revenues	$ 18,836	$ 19,809
Percentage of Total Revenue	28.90%	28.00%
Operating Income (Loss)	$ 162	$ 1,755
Assets	7,461			7,506
Reportable Segments [Member] \| Transitional [Member]
Summary financial information by reporting segment [Abstract]
Revenues	$ 4,275	$ 8,564
Percentage of Total Revenue	6.50%	12.10%
Operating Income (Loss)	$ (569)	$ (3,640)
Assets	18,763			18,874
Corporate [Member]
Summary financial information by reporting segment [Abstract]
Revenues	$ 0	$ 0
Percentage of Total Revenue	0.00%	0.00%
Operating Income (Loss)	$ (7,372)	$ (7,726)
Assets	$ 26,026			$ 53,507