ACQUISITIONS - Narrative (Details) $ in Thousands			3 Months Ended	12 Months Ended
	Jan. 20, 2023 USD ($)	Apr. 01, 2022 USD ($) care_center	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Mar. 23, 2022 USD ($)
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Goodwill recorded during period				$ 300	$ 94,100
Net service revenue				2,236,382	2,223,199	$ 2,214,112
Operating income (loss)				156,394	180,772	251,915
Goodwill, Other Increase				0
Depreciation and amortization				17,747	24,935	30,901
Restricted cash				12,413	13,593
Accrued contingent consideration				0	19,195	$ 0
Termination fee paid by UnitedHealth Group				$ 106,000	0
Technology-Based Intangible Assets
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Weighted-average amortization period				4 years 7 months 6 days
Home Health [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Goodwill recorded during period				$ 300	85,600
Goodwill, Other Increase				8,500
Home Health [Member] | WEST VIRGINIA
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, total purchase price	$ 400
Goodwill recorded during period				300
Home Health [Member] | WEST VIRGINIA | Certificate of Need [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, other intangibles recorded	$ 100
Personal Care [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Goodwill recorded during period				0	0
Goodwill, Other Increase				0
Restricted cash				6,000
Amount Released From Escrow				1,000
High Acuity Care [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Goodwill recorded during period				0	8,500
Goodwill, Other Increase				(8,500)
2022 New Joint Venture
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Goodwill recorded during period					8,500
Business Combination Acquired Noncontrolling Interest							$ 8,900
2022 New Joint Venture | Certificates of Need and Licenses [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, other intangibles recorded							$ 400
Evolution Health | Home Health [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center		15
Acquisition, total purchase price		$ 67,800
Payments to Acquire Businesses, Gross		51,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables			$ 7,300
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Current Assets Prepaid Expense			200
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			1,900
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Right of Use Assets			3,200
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets			100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets			100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets			14,200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable			(800)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Payroll and Employee Benefits			(2,600)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Expenses			(2,600)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Liabilities			(2,800)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt			(600)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities			(9,400)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net			4,800
Goodwill recorded during period			61,700
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net			66,500		66,500
Goodwill deductible for income tax purposes		15,000
Business Acquisition Closing Payment Adjustment					1,300
Net service revenue				29,700	29,400
Operating income (loss)				(2,300)	(5,300)
Decrease In Assets Acquired			(200)
Goodwill, Other Increase			200
Restricted cash		16,700		7,100
Accrued contingent consideration		15,700
Amount Released From Escrow				9,600
Evolution Health | Home Health [Member] | Potential Closing Payment Adjustment
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Business Acquisition Closing Payment Adjustment		$ 1,000
Evolution Health | Home Health [Member] | Maximum [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Period of time goodwill is expected to be deductible for income tax purposes		5 years
Evolution Health | Home Health [Member] | Minimum [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Period of time goodwill is expected to be deductible for income tax purposes		2 years
Evolution Health | Home Health [Member] | Licenses [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, other intangibles recorded			$ 1,300
AssistedCare Home Health | Home Health [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center		2
Acquisition, total purchase price		$ 24,700
Payments to Acquire Businesses, Gross		22,200
Acquisition, other intangibles recorded		700
Goodwill recorded during period		24,000
Goodwill deductible for income tax purposes		$ 24,000
Period of time goodwill is expected to be deductible for income tax purposes		15 years
Net service revenue				7,000	6,100
Operating income (loss)				500	$ 800
Restricted cash		$ 2,500
Amount Released From Escrow				$ 2,500
AssistedCare Home Health | Home Health [Member] | Certificates Of Need [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, other intangibles recorded		200
AssistedCare Home Health | Home Health [Member] | Licenses [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, other intangibles recorded		500
AssistedCare Home Health | Home Health [Member] | Acquired Names [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, other intangibles recorded		$ 100
Weighted-average amortization period		1 year