DISCONTINUED OPERATIONS - Schedule of Restructuring and Related Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Employee termination benefits	$ 239	$ 1,387	$ 181	$ 621
Long-lived asset impairments	0	0	0	880
Contract termination and other costs	$ 0	$ (102)	$ 0	$ 85
Impairment, long-lived asset, held-for-use, statement of income or comprehensive income, extensible enumeration, not disclosed flag	Total discontinued operations restructuring charges	Total discontinued operations restructuring charges	Total discontinued operations restructuring charges	Total discontinued operations restructuring charges
Discontinued Operations | California Medicare Advantage Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Employee termination benefits	$ 73	$ 213	$ 202	$ 3,177
Long-lived asset impairments	0	2,489	0	7,429
Contract termination and other costs	402	(1,041)	(106)	(989)
Total discontinued operations restructuring charges	$ 475	$ 1,661	$ 96	$ 9,617