COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Millions		1 Months Ended	12 Months Ended
	May 06, 2022 USD ($)	Oct. 31, 2016 country	Dec. 31, 2022 USD ($) numberOfPlaintiff lawsuit	Dec. 31, 2020 USD ($)	Dec. 31, 2018 USD ($)
Loss Contingencies [Line Items]
Operation strategic alternatives, number of country | country		12
Benefit from decrease in indemnification liability				$ 0.4
Less: Indemnification liabilities			$ 2.8
Indemnification liability, maximum exposure			$ 11.7
Groupon Latin America
Loss Contingencies [Line Items]
Indemnification liability					$ 5.4
Securities Lawsuit
Loss Contingencies [Line Items]
Amount awarded to other party	$ 13.5
Derivative Lawsuits
Loss Contingencies [Line Items]
Loss contingency, number of plaintiffs | numberOfPlaintiff			4
Loss contingency, number of lawsuits | lawsuit			4