DISCONTINUED OPERATIONS - Schedule of Cash Flows From Operating and Investing Activities for Discontinued Operations (Details) - Discontinued Operations - California Medicare Advantage Business - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash used in operating activities - discontinued operations	$ (59,514)	$ (667,237)
Cash provided by investing activities - discontinued operations	$ 199,702	$ 157,048