DISCONTINUED OPERATIONS - Components of Income from Discontinued Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
DiscontinuedOperationGainLossOnDisposalStatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag	(Loss) earnings from discontinued operations
IAC/InterActiveCorp | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	$ 0	$ 0	$ 1,410,485
Operating costs and expenses	0	0	(1,840,178)
Operating loss	0	0	(429,693)
Interest expense	0	0	(3,772)
Other expense, net	0	0	(2,503)
Income tax (provision) benefit	(2,211)	509	69,898
(Loss) earnings from discontinued operations	$ (2,211)	$ 509	$ (366,070)