Credit Facility (Details Textual) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012
Line of Credit [Member]
Credit Facility (Textual) [Abstract]
Line of credit facility Outstanding	$ 8.3
Line of credit facility Interest rate	4.25%
Letter of Credit [Member]
Credit Facility (Textual) [Abstract]
Letter of credit Outstanding	$ 5.7

Name:	lhcg_CreditFacilityTextualAbstract
Namespace Prefix:	lhcg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Letter of credit outstanding under the credit facility as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	lhcg_LetterOfCreditOutstanding
Namespace Prefix:	lhcg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The effective interest rate at the end of the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant