GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Activity Related to Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	$ 733,700
Goodwill [Roll Forward]
Beginning balance	658,500	$ 329,500
Additions	274,200	329,000
Ending balance	932,685	658,500
Home Health [Member]
Goodwill [Roll Forward]
Beginning balance	87,100	87,100
Additions	3,300	0
Ending balance	90,400	87,100
Hospice [Member]
Goodwill [Roll Forward]
Beginning balance	528,300	199,300
Additions	270,900	329,000
Ending balance	799,200	528,300
Personal Care [Member]
Goodwill [Roll Forward]
Beginning balance	43,100	43,100
Additions	0	0
Ending balance	$ 43,100	$ 43,100