CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net service revenue	$ 2,223,199	$ 2,214,112	$ 2,071,519
Other operating income	0	13,300	34,372
Cost of service, excluding depreciation and amortization	1,260,425	1,233,356	1,185,369
General and administrative expenses:
Salaries and benefits	508,791	474,718	449,448
Non-cash compensation	16,560	23,809	26,730
Other	228,707	212,713	192,122
Depreciation and amortization	24,935	30,901	28,802
Impairment charge	3,009	0	4,152
Operating expenses	2,042,427	1,975,497	1,886,623
Operating income	180,772	251,915	219,268
Other income (expense):
Interest income	178	49	292
Interest expense	(22,228)	(9,525)	(11,038)
Equity in (loss) earnings from equity method investments	(45)	4,949	3,966
Gain (loss) on equity method investments	0	31,098	(2,980)
Miscellaneous, net	1,567	1,745	1,311
Total other (expense) income, net	(20,528)	28,316	(8,449)
Income before income taxes	160,244	280,231	210,819
Income tax expense	(42,545)	(70,065)	(25,635)
Net income	117,699	210,166	185,184
Net loss (income) attributable to noncontrolling interests	910	(1,094)	(1,576)
Net income attributable to Amedisys, Inc.	$ 118,609	$ 209,072	$ 183,608
Basic earnings per common share:
Net income attributable to Amedisys, Inc. common stockholders (usd per share)	$ 3.65	$ 6.41	$ 5.64
Weighted average shares outstanding (shares)	32,517	32,642	32,559
Diluted earnings per common share:
Net income attributable to Amedisys, Inc. common stockholders (usd per share)	$ 3.63	$ 6.34	$ 5.52
Weighted average shares outstanding (shares)	32,653	32,972	33,268