ACQUISITIONS - Narrative (Details) - USD ($) $ in Thousands			3 Months Ended
	Mar. 23, 2022	Aug. 01, 2021	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Business Acquisition [Line Items]
Net service revenue			$ 545,257		$ 537,144
Operating Income (Loss)			47,962		68,849
Hospice [Member]
Business Acquisition [Line Items]
Net service revenue			193,100		191,500
Operating Income (Loss)			34,800		46,500
Home Health [Member]
Business Acquisition [Line Items]
Net service revenue			335,500		328,600
Operating Income (Loss)			66,400		69,500
High Acuity Care
Business Acquisition [Line Items]
Net service revenue			2,700		0
Operating Income (Loss)			(7,800)		$ 0
2022 New Joint Venture
Business Acquisition [Line Items]
Business Combination, Acquired Noncontrolling Interest	$ 8,900
Goodwill recorded during period	8,500
2022 New Joint Venture | Certificate of Need and Licenses
Business Acquisition [Line Items]
Acquisition, other intangibles recorded	$ 400
Contessa Health | High Acuity Care
Business Acquisition [Line Items]
Payments to acquire business		$ 240,700
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables			1,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense			300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other			100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment			300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating lease right of use assets			800
Acquisition, other intangibles recorded			54,300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets			3,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets			60,400
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable			(100)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Payroll and Employee Benefits			(600)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Expenses			(3,400)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Liabilities			(800)
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities			(3,100)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt			(900)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other			(200)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities			(9,100)
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value			(43,900)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Equity			(43,900)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities and Equity			(53,000)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net			7,400
Goodwill recorded during period			233,900
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net			241,300
Net service revenue			2,700
Operating Income (Loss)			(7,800)
Business Acquisition Closing Payment Adjustment				$ 600
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