SEGMENT INFORMATION - Operating Income of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Net service revenue	$ 485,059	$ 492,984	$ 976,744	$ 960,324
Other operating income	22,780	0	22,780	0
Cost of service, excluding depreciation and amortization	295,228	290,752	580,965	566,026
General and administrative expenses	156,300	152,300	313,000	297,100
Depreciation and amortization	6,334	5,179	11,672	8,074
Operating expenses	457,907	448,233	905,722	871,249
Operating income (loss)	49,932	44,751	93,802	89,075
Home Health [Member]
Segment Reporting Information [Line Items]
Net service revenue	290,200	318,600	593,800	628,700
Other operating income	15,100		15,100
Cost of service, excluding depreciation and amortization	184,000	187,800	363,800	373,500
General and administrative expenses	72,200	74,000	147,900	145,400
Depreciation and amortization	900	1,100	1,900	2,100
Operating expenses	257,100	262,900	513,600	521,000
Operating income (loss)	48,200	55,700	95,300	107,700
Hospice [Member]
Segment Reporting Information [Line Items]
Net service revenue	177,100	153,200	346,500	290,200
Other operating income	7,200		7,200
Cost of service, excluding depreciation and amortization	97,200	87,300	189,000	161,400
General and administrative expenses	40,900	34,900	79,600	63,900
Depreciation and amortization	500	400	1,100	800
Operating expenses	138,600	122,600	269,700	226,100
Operating income (loss)	45,700	30,600	84,000	64,100
Personal Care
Segment Reporting Information [Line Items]
Net service revenue	17,700	21,200	36,400	41,400
Other operating income	500		500
Cost of service, excluding depreciation and amortization	14,100	15,600	28,200	31,100
General and administrative expenses	2,900	3,200	6,300	6,300
Depreciation and amortization	100	0	100	100
Operating expenses	17,100	18,800	34,600	37,500
Operating income (loss)	1,100	2,400	2,300	3,900
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	40,300	40,200	79,200	81,500
Depreciation and amortization	4,800	3,700	8,600	5,100
Operating expenses	45,100	43,900	87,800	86,600
Operating income (loss)	$ (45,100)	$ (43,900)	$ (87,800)	$ (86,600)