CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net service revenue	$ 2,282,771	$ 2,219,622	$ 2,063,204
Cost of service revenue (excluding depreciation and amortization)	1,399,158	1,336,609	1,250,403
Gross margin	883,613	883,013	812,801
General and administrative expenses	764,239	696,435	632,847
Impairment of intangibles and other	10,854	937	1,849
Operating income	108,520	185,641	178,105
Interest expense	(31,311)	(4,338)	(4,129)
Income before income taxes and noncontrolling interests	77,209	181,303	173,976
Income tax expense	16,961	37,687	36,043
Net income	60,248	143,616	137,933
Less net income attributable to noncontrolling interests	20,377	27,888	26,337
Net income attributable to LHC Group, Inc.’s common stockholders	$ 39,871	$ 115,728	$ 111,596
Earnings per share - basic:
Net income attributable to LHC Group, Inc.’s common stockholders (in dollars per share)	$ 1.31	$ 3.71	$ 3.59
Earnings per share - diluted:
Net income attributable to LHC Group, Inc.’s common stockholders (in dollars per share)	$ 1.30	$ 3.69	$ 3.56
Weighted average shares outstanding:
Basic (in shares)	30,539,343	31,195,305	31,092,417
Diluted (in shares)	30,659,727	31,396,658	31,365,765
Cost, product and service [Extensible Enumeration]	Service [Member]	Service [Member]	Service [Member]
Revenue, product and service [Extensible Enumeration]	Service [Member]	Service [Member]	Service [Member]