SEGMENT INFORMATION - Operating Income of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Net service revenue	$ 467,340	$ 399,262
Cost of service, excluding depreciation and amortization	275,274	238,309
General and administrative expenses	144,800	121,400
Depreciation and amortization	2,895	3,593
Operating expenses	423,016	363,257
Operating income	44,324	36,005
Home Health
Segment Reporting Information [Line Items]
Net service revenue	310,100	284,100
Cost of service, excluding depreciation and amortization	185,700	174,400
General and administrative expenses	71,400	68,000
Depreciation and amortization	1,000	800
Operating expenses	258,100	243,200
Operating income	52,000	40,900
Hospice
Segment Reporting Information [Line Items]
Net service revenue	137,000	97,300
Cost of service, excluding depreciation and amortization	74,100	50,100
General and administrative expenses	29,000	20,000
Depreciation and amortization	400	200
Operating expenses	103,500	70,300
Operating income	33,500	27,000
Personal Care
Segment Reporting Information [Line Items]
Net service revenue	20,200	17,900
Cost of service, excluding depreciation and amortization	15,500	13,800
General and administrative expenses	3,100	3,200
Depreciation and amortization	100	100
Operating expenses	18,700	17,100
Operating income	1,500	800
Other
Segment Reporting Information [Line Items]
Net service revenue	0	0
Cost of service, excluding depreciation and amortization	0	0
General and administrative expenses	41,300	30,200
Depreciation and amortization	1,400	2,500
Operating expenses	42,700	32,700
Operating income	$ (42,700)	$ (32,700)