CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Net service revenue	$ 193,079	$ 163,681
Cost of service revenue	114,426us-gaap_CostOfServices	97,334us-gaap_CostOfServices
Gross margin	78,653us-gaap_GrossProfit	66,347us-gaap_GrossProfit
Provision for bad debts	5,259us-gaap_ProvisionForDoubtfulAccounts	3,362us-gaap_ProvisionForDoubtfulAccounts
General and administrative expenses	59,298us-gaap_GeneralAndAdministrativeExpense	54,579us-gaap_GeneralAndAdministrativeExpense
Operating income	14,096us-gaap_OperatingIncomeLoss	8,406us-gaap_OperatingIncomeLoss
Interest expense	(545)us-gaap_InterestExpense	(388)us-gaap_InterestExpense
Income before income taxes and noncontrolling interest	13,551	8,018
Income tax expense	4,729us-gaap_IncomeTaxExpenseBenefit	2,923us-gaap_IncomeTaxExpenseBenefit
Net income	8,822us-gaap_ProfitLoss	5,095us-gaap_ProfitLoss
Less net income attributable to noncontrolling interests	2,017	1,027
Net income attributable to LHC Group, Inc.’s common stockholders	$ 6,805	$ 4,068
Earnings Per Share, Basic and Diluted [Abstract]
Net income attributable to LHC group, Inc.'s common stockholders	$ 0.39us-gaap_EarningsPerShareBasicAndDiluted	$ 0.24us-gaap_EarningsPerShareBasicAndDiluted
Weighted average shares outstanding:
Basic	17,322,791	17,148,043
Diluted	17,489,483	17,268,716

Total costs related to services rendered by an entity during the reporting period.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 2

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(d))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688