GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Activity Related to Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss			$ 733,700
Goodwill [Roll Forward]
Beginning balance	$ 932,685	$ 658,500
Additions	263,400	274,200
Ending balance	1,196,090	932,685
Home Health [Member]
Goodwill [Roll Forward]
Beginning balance	90,400	87,100
Additions	27,800	3,300
Ending balance	118,200	90,400
Hospice [Member]
Goodwill [Roll Forward]
Beginning balance	799,200	528,300
Additions	1,700	270,900
Ending balance	800,900	799,200
Personal Care [Member]
Goodwill [Roll Forward]
Beginning balance	43,100	43,100
Additions	0	0
Ending balance	43,100	43,100
High Acuity Care [Member]
Goodwill [Roll Forward]
Beginning balance	0	0
Additions	233,900	0
Ending balance	$ 233,900	$ 0