SEGMENT INFORMATION - Operating Income of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Net service revenue	$ 557,890	$ 564,166	$ 1,103,147	$ 1,101,310
Other operating income	0	4,603	0	13,304
Cost of service, excluding depreciation and amortization	316,211	308,691	621,031	605,894
General and administrative expenses	187,900	175,300	372,300	347,400
Depreciation and amortization	6,220	6,721	14,228	14,276
Operating expenses	510,249	490,634	1,007,544	967,630
Operating income (loss)	47,641	78,135	95,603	146,984
Home Health [Member]
Segment Reporting Information [Line Items]
Net service revenue	340,200	349,300	675,600	677,900
Other operating income		2,300		7,300
Cost of service, excluding depreciation and amortization	193,000	190,400	378,000	373,400
General and administrative expenses	87,900	81,300	171,100	161,400
Depreciation and amortization	1,500	1,200	2,400	2,200
Operating expenses	282,400	272,900	551,500	537,000
Operating income (loss)	57,800	78,700	124,100	148,200
Hospice [Member]
Segment Reporting Information [Line Items]
Net service revenue	198,400	197,900	391,400	389,400
Other operating income		2,300		6,000
Cost of service, excluding depreciation and amortization	107,400	105,200	213,800	206,800
General and administrative expenses	51,600	48,400	102,900	94,900
Depreciation and amortization	600	700	1,300	1,300
Operating expenses	159,600	154,300	318,000	303,000
Operating income (loss)	38,800	45,900	73,400	92,400
Personal Care [Member]
Segment Reporting Information [Line Items]
Net service revenue	14,900	17,000	28,900	34,000
Other operating income		0		0
Cost of service, excluding depreciation and amortization	11,400	13,100	22,200	25,700
General and administrative expenses	2,300	3,200	4,500	6,200
Depreciation and amortization	0	0	100	100
Operating expenses	13,700	16,300	26,800	32,000
Operating income (loss)	1,200	700	2,100	2,000
High Acuity Care
Segment Reporting Information [Line Items]
Net service revenue	4,400	0	7,200	0
Other operating income		0		0
Cost of service, excluding depreciation and amortization	4,400	0	7,000	0
General and administrative expenses	8,900	0	15,900	0
Depreciation and amortization	800	0	1,600	0
Operating expenses	14,100	0	24,500	0
Operating income (loss)	(9,700)	0	(17,300)	0
Other
Segment Reporting Information [Line Items]
Net service revenue	0	0	0	0
Other operating income		0		0
Cost of service, excluding depreciation and amortization	0	0	0	0
General and administrative expenses	37,200	42,400	77,900	84,900
Depreciation and amortization	3,300	4,800	8,800	10,700
Operating expenses	40,500	47,200	86,700	95,600
Operating income (loss)	$ (40,500)	$ (47,200)	$ (86,700)	$ (95,600)