SEGMENT INFORMATION - Operating Income of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Net service revenue	$ 545,257	$ 537,144
Other operating income	0	8,701
Cost of service, excluding depreciation and amortization	304,820	297,203
General and administrative expenses	184,500	172,200
Depreciation and amortization	8,008	7,555
Operating expenses	497,295	476,996
Operating income (loss)	47,962	68,849
Home Health [Member]
Segment Reporting Information [Line Items]
Net service revenue	335,500	328,600
Other operating income		5,000
Cost of service, excluding depreciation and amortization	185,000	183,000
General and administrative expenses	83,200	80,100
Depreciation and amortization	900	1,000
Operating expenses	269,100	264,100
Operating income (loss)	66,400	69,500
Hospice [Member]
Segment Reporting Information [Line Items]
Net service revenue	193,100	191,500
Other operating income		3,700
Cost of service, excluding depreciation and amortization	106,400	101,600
General and administrative expenses	51,300	46,500
Depreciation and amortization	600	600
Operating expenses	158,300	148,700
Operating income (loss)	34,800	46,500
Personal Care [Member]
Segment Reporting Information [Line Items]
Net service revenue	14,000	17,000
Other operating income		0
Cost of service, excluding depreciation and amortization	10,800	12,600
General and administrative expenses	2,200	3,000
Depreciation and amortization	100	100
Operating expenses	13,100	15,700
Operating income (loss)	900	1,300
High Acuity Care
Segment Reporting Information [Line Items]
Net service revenue	2,700	0
Other operating income		0
Cost of service, excluding depreciation and amortization	2,600	0
General and administrative expenses	7,100	0
Depreciation and amortization	800	0
Operating expenses	10,500	0
Operating income (loss)	(7,800)	0
Other
Segment Reporting Information [Line Items]
Net service revenue	0	0
Other operating income		0
Cost of service, excluding depreciation and amortization	0	0
General and administrative expenses	40,700	42,600
Depreciation and amortization	5,600	5,900
Operating expenses	46,300	48,500
Operating income (loss)	$ (46,300)	$ (48,500)