SEGMENT INFORMATION - Operating Income of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information [Line Items]
Net service revenue	$ 556,237	$ 557,988	$ 1,665,594	$ 1,661,135
Cost of service, inclusive of depreciation	311,628	322,227	924,093	943,258
General and administrative expenses	198,000	188,400	605,500	560,600
Depreciation and amortization	4,436	5,477	13,604	19,705
Investment impairment	0	3,009	0	3,009
Operating expenses	514,026	519,057	1,543,209	1,526,601
Operating income (loss)	42,211	38,931	122,385	134,534
Home Health [Member]
Segment Reporting Information [Line Items]
Net service revenue	351,600	339,200	1,044,700	1,016,800
Cost of service, inclusive of depreciation	201,600	196,700	593,100	576,600
General and administrative expenses	91,400	89,100	270,500	261,100
Depreciation and amortization	1,800	900	4,300	3,300
Investment impairment		0		0
Operating expenses	294,800	286,700	867,900	841,000
Operating income (loss)	56,800	52,500	176,800	175,800
Hospice [Member]
Segment Reporting Information [Line Items]
Net service revenue	200,200	198,700	592,800	590,200
Cost of service, inclusive of depreciation	104,200	109,400	304,400	323,200
General and administrative expenses	48,400	49,100	144,100	152,100
Depreciation and amortization	800	500	2,200	1,700
Investment impairment		0		0
Operating expenses	153,400	159,000	450,700	477,000
Operating income (loss)	46,800	39,700	142,100	113,200
Personal Care [Member]
Segment Reporting Information [Line Items]
Net service revenue	0	16,600	15,000	45,500
Cost of service, inclusive of depreciation	0	12,200	11,100	34,500
General and administrative expenses	0	2,400	2,300	6,800
Depreciation and amortization	0	0	0	100
Investment impairment		0		0
Operating expenses	0	14,600	13,400	41,400
Operating income (loss)	0	2,000	1,600	4,100
High Acuity Care
Segment Reporting Information [Line Items]
Net service revenue	4,400	3,500	13,100	8,600
Cost of service, inclusive of depreciation	5,800	3,900	15,500	9,000
General and administrative expenses	5,300	5,200	15,000	14,600
Depreciation and amortization	700	800	2,300	2,400
Investment impairment		3,000		3,000
Operating expenses	11,800	12,900	32,800	29,000
Operating income (loss)	(7,400)	(9,400)	(19,700)	(20,400)
Other
Segment Reporting Information [Line Items]
Net service revenue	0	0	0	0
Cost of service, inclusive of depreciation	0	0	0	0
General and administrative expenses	52,900	42,600	173,600	126,000
Depreciation and amortization	1,100	3,300	4,800	12,200
Investment impairment		0		0
Operating expenses	54,000	45,900	178,400	138,200
Operating income (loss)	$ (54,000)	$ (45,900)	$ (178,400)	$ (138,200)