CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Net service revenue	$ 272,872	$ 230,797	$ 779,700	$ 679,380
Cost of service revenue	172,856	140,832	488,384	413,561
Gross margin	100,016	89,965	291,316	265,819
Provision for bad debts	3,194	3,275	8,238	11,658
General and administrative expenses	75,669	66,999	221,077	201,296
(Gain) Loss on disposal of assets	(177)	142	(23)	1,389
Operating income	21,330	19,549	62,024	51,476
Interest expense	(995)	(816)	(2,615)	(2,167)
Income before income taxes and noncontrolling interest	20,335	18,733	59,409	49,309
Income tax expense	7,445	6,562	20,410	15,500
Net income	12,890	12,171	38,999	33,809
Less net income attributable to noncontrolling interests	1,984	2,555	7,321	7,043
Net income attributable to LHC Group, Inc.’s common stockholders	$ 10,906	$ 9,616	$ 31,678	$ 26,766
Earnings per share attributable to LHC Group, Inc.'s common stockholders:
Basic	$ 0.61	$ 0.55	$ 1.79	$ 1.53
Diluted	$ 0.61	$ 0.54	$ 1.77	$ 1.52
Weighted average shares outstanding:
Basic	17,740,818	17,588,163	17,704,561	17,546,773
Diluted	18,010,522	17,719,473	17,931,700	17,664,284