ACQUISITIONS - Narrative (Details) $ in Thousands			3 Months Ended			9 Months Ended
	Apr. 01, 2022 USD ($) care_center	Aug. 01, 2021 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Mar. 23, 2022 USD ($)
Business Acquisition [Line Items]
Goodwill			$ 1,285,455	$ 1,196,090		$ 1,285,455
Net service revenue			557,988		$ 553,485	1,661,135	$ 1,654,795
Operating Income (Loss)			38,931		56,772	134,534	203,756
Restricted cash			13,504	3,075		13,504
Accrued contingent consideration						19,195	0
Hospice [Member]
Business Acquisition [Line Items]
Net service revenue			198,700		197,500	590,200	586,900
Operating Income (Loss)			39,700		39,700	113,200	132,100
Home Health [Member]
Business Acquisition [Line Items]
Net service revenue			337,200		338,600	1,012,800	1,016,500
Operating Income (Loss)			52,700		65,000	176,900	213,200
High Acuity Care
Business Acquisition [Line Items]
Net service revenue			5,500		1,500	12,600	1,500
Operating Income (Loss)			(12,400)		(3,800)	(29,800)	(3,800)
2022 New Joint Venture
Business Acquisition [Line Items]
Business Combination, Acquired Noncontrolling Interest								$ 8,900
Goodwill								8,500
2022 New Joint Venture | Certificate of Need and Licenses
Business Acquisition [Line Items]
Acquisition, other intangibles recorded								$ 400
Evolution Health | Home Health [Member]
Business Acquisition [Line Items]
Total purchase price for acquisition	$ 67,800
Payments to acquire business	$ 51,100
Acquisition, number of care centers acquired | care_center	15
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables			9,300			9,300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense			200			200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other			100			100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment			1,900			1,900
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating lease right of use assets			3,200			3,200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets			100			100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets			16,100			16,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable			(800)			(800)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Payroll and Employee Benefits			(2,700)			(2,700)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Expenses			(2,300)			(2,300)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Liabilities			(2,800)			(2,800)
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities			0			0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt			(600)			(600)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities			(9,200)			(9,200)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net			6,900			6,900
Goodwill			59,600			59,600
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net			66,500			66,500
Net service revenue			10,100			21,400
Operating Income (Loss)			(1,900)			(3,800)
Goodwill, Other Increase (Decrease)			(1,400)
Business Acquisition Closing Payment Adjustment			1,300
GoodwillDeductibleForIncomeTaxPurposesPeriod	15 years
Restricted cash	$ 16,700
Accrued contingent consideration	15,700
Amount Released From Escrow			5,700			5,700
Increase (Decrease) in Assets Acquired			(400)
Increase (Decrease) in Liabilities Assumed			(500)
Business Acquisition, Goodwill, Expected Tax Deductible Amount	15,000
Evolution Health | Home Health [Member] | Potential Closing Payment Adjustment
Business Acquisition [Line Items]
Accrued contingent consideration	1,000
Evolution Health | Home Health [Member] | Licenses
Business Acquisition [Line Items]
Acquisition, other intangibles recorded			1,300			1,300
AssistedCare Home Health | Home Health [Member]
Business Acquisition [Line Items]
Total purchase price for acquisition	24,700
Payments to acquire business	$ 22,200
Acquisition, number of care centers acquired | care_center	2
Acquisition, other intangibles recorded	$ 700
Goodwill	$ 24,000
Net service revenue			1,900			4,500
Operating Income (Loss)			(100)			600
GoodwillDeductibleForIncomeTaxPurposesPeriod	15 years
Restricted cash	$ 2,500
Accrued contingent consideration	2,500
Business Acquisition, Goodwill, Expected Tax Deductible Amount	$ 24,000
AssistedCare Home Health | Home Health [Member] | Acquired Names [Member]
Business Acquisition [Line Items]
Weighted-average amortization period	1 year
Acquisition, other intangibles recorded	$ 100
AssistedCare Home Health | Home Health [Member] | Certificates Of Need
Business Acquisition [Line Items]
Acquisition, other intangibles recorded	200
AssistedCare Home Health | Home Health [Member] | Licenses
Business Acquisition [Line Items]
Acquisition, other intangibles recorded	$ 500
Contessa Health | High Acuity Care
Business Acquisition [Line Items]
Total purchase price for acquisition		$ 240,700
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables			1,500			1,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense			300			300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other			100			100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment			300			300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating lease right of use assets			800			800
Acquisition, other intangibles recorded			54,300			54,300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets			3,100			3,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets			60,400			60,400
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable			(100)			(100)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Payroll and Employee Benefits			(600)			(600)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Expenses			(3,400)			(3,400)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Liabilities			(800)			(800)
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities			(300)			(300)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt			(900)			(900)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other			(200)			(200)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities			(6,300)			(6,300)
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value			(43,900)			(43,900)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Equity			(43,900)			(43,900)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities and Equity			(50,200)			(50,200)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net			10,200			10,200
Goodwill			231,100			231,100
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest			241,300			241,300
Net service revenue			5,500		1,500	12,600	1,500
Operating Income (Loss)			(12,400)		(3,800)	(29,800)	(3,800)
Goodwill, Other Increase (Decrease)			(2,800)
Business Acquisition Closing Payment Adjustment				$ 600
Increase (Decrease) in Liabilities Assumed			(2,800)
Contessa Health | High Acuity Care | Noncompete Agreements [Member]
Business Acquisition [Line Items]
Weighted-average amortization period		2 years
Acquisition, other intangibles recorded		$ 6,200
Contessa Health | High Acuity Care | Acquired Names [Member]
Business Acquisition [Line Items]
Acquisition, other intangibles recorded		$ 28,300
Contessa Health | High Acuity Care | Technology-Based Intangible Assets
Business Acquisition [Line Items]
Weighted-average amortization period		7 years
Acquisition, other intangibles recorded		$ 19,800
Depreciation and amortization			$ 700		$ 500	$ 2,200	$ 500