CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Net service revenue	$ 260,210	$ 226,031	$ 506,828	$ 448,583
Cost of service revenue	161,158	137,128	315,528	272,729
Gross margin	99,052	88,903	191,300	175,854
Provision for bad debts	2,675	3,782	5,044	8,383
General and administrative expenses	73,550	68,261	145,409	134,297
Loss on disposal of assets	2	1,043	154	1,247
Operating income	22,825	15,817	40,693	31,927
Interest expense	(840)	(466)	(1,620)	(1,351)
Income before income taxes and noncontrolling interest	21,985	15,351	39,073	30,576
Income tax expense	7,792	3,596	12,965	8,938
Net income	14,193	11,755	26,108	21,638
Less net income attributable to noncontrolling interests	2,889	2,291	5,337	4,488
Net income attributable to LHC Group, Inc.’s common stockholders	$ 11,304	$ 9,464	$ 20,771	$ 17,150
Earnings per share attributable to LHC Group, Inc.'s common stockholders:
Basic	$ 0.64	$ 0.54	$ 1.17	$ 0.98
Diluted	$ 0.63	$ 0.54	$ 1.16	$ 0.97
Weighted average shares outstanding:
Basic	17,728,567	17,566,097	17,686,134	17,525,937
Diluted	17,964,387	17,685,147	17,911,723	17,649,620