ACQUISITIONS - Narrative (Details) $ in Thousands			3 Months Ended
	Oct. 01, 2020 USD ($)	Jun. 01, 2020 USD ($) care_center	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)
Business Acquisition [Line Items]
Net service revenue			$ 537,144	$ 491,685
Operating Income (Loss)			68,849	43,870
Hospice [Member]
Business Acquisition [Line Items]
Net service revenue			191,500	169,400
Operating Income (Loss)			46,500	38,300
Hospice [Member] | AseraCare Hospice [Member]
Business Acquisition [Line Items]
Payments to acquire business		$ 230,400
Acquisition, number of care centers acquired | care_center		44
Payments related to tax asset		$ 32,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables			15,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense			700
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment			600
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating lease right of use assets			5,900
Acquisition, other intangibles recorded			24,300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets			100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets			46,600
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable			(6,000)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Payroll and Employee Benefits			(5,900)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Expenses			(10,700)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Liabilities			(5,400)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities			(28,000)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net			18,600
Goodwill recorded during period			211,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net			229,600
Net service revenue			24,700
Operating Income (Loss)			(600)
Business Combination, Integration Related Costs			600
Business Acquisition Closing Payment Adjustment	$ 800
Depreciation and amortization			2,400
GoodwillDeductibleForIncomeTaxPurposesPeriod		15 years
Hospice [Member] | AseraCare Hospice [Member] | Maximum [Member]
Business Acquisition [Line Items]
Business Acquisition Closing Payment Adjustment		$ 1,000
Home Health [Member]
Business Acquisition [Line Items]
Net service revenue			328,600	303,600
Operating Income (Loss)			69,500	$ 47,100
Noncompete Agreements [Member] | Hospice [Member] | AseraCare Hospice [Member]
Business Acquisition [Line Items]
Weighted-average amortization period		1 year 8 months 12 days
Acquisition, other intangibles recorded			9,200
Acquired Names [Member] | Hospice [Member] | AseraCare Hospice [Member]
Business Acquisition [Line Items]
Weighted-average amortization period		2 years
Acquisition, other intangibles recorded			5,700
Medicare licenses [Member] | Hospice [Member] | AseraCare Hospice [Member]
Business Acquisition [Line Items]
Acquisition, other intangibles recorded			8,700
Certificates Of Need | Hospice [Member] | AseraCare Hospice [Member]
Business Acquisition [Line Items]
Acquisition, other intangibles recorded			$ 700