DISCONTINUED OPERATIONS - Schedule of Incurred Claims and Cumulative Paid Claims (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Claims adjustment expense liability	$ 27,884		$ 0
Total medical costs payable	179,855	$ 116,021	102,015	$ 6,764
Bright HealthCare - Commercial
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Claims unpaid	49,474	60,856
Provider incentive payable	1,454	310
Claims adjustment expense liability	6,993	46,490
Incurred but not reported (IBNR)	40,562	583,564
Discontinued Operations | Bright HealthCare - Commercial
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total medical costs payable	98,483	691,220
Discontinued Operations | Bright HealthCare
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Claims unpaid	41,236	41,188
Provider incentive payable	31,424	40,908
Claims adjustment expense liability	4,981	6,732
Incurred but not reported (IBNR)	173,628	201,468
Total medical costs payable	$ 251,269	$ 290,296	$ 267,478	$ 240,854