CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net service revenue	$ 502,585	$ 291,054
Cost of service revenue	320,992	188,618
Gross margin	181,593	102,436
General and administrative expenses	145,221	92,031
Other intangible impairment charge	6,319	0
Operating income	30,053	10,405
Interest expense	(3,052)	(1,450)
Income before income taxes and noncontrolling interest	27,001	8,955
Income tax expense	3,600	977
Net income	23,401	7,978
Less net income attributable to noncontrolling interests	4,545	2,983
Net income attributable to LHC Group, Inc.’s common stockholders	$ 18,856	$ 4,995
Earnings per share:
Basic (usd per share)	$ 0.61	$ 0.28
Diluted (usd per share)	$ 0.60	$ 0.28
Weighted average shares outstanding:
Basic (in shares)	30,837	17,790
Diluted (in shares)	31,187	18,039