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COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Oct. 31, 2016 country | Dec. 31, 2021 USD ($) claimsFiled numberOfPlaintiff | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2017 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |
Operation strategic alternatives, number of country | country | 12 |  |  |  |
Benefit from decrease in indemnification liability |  |  | $ 400 | $ 2,200 |
Less: Indemnification liabilities |  | $ 2,800 |  |  |
Indemnification Liability, Maximum Exposure |  | 11,700 |  |  |
Income (loss) from discontinued operations, net of tax |  | $ 0 | $ 382 | $ 2,597 |
Groupon Latin America |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Indemnification Liability |  |  |  |  | $ 5,400
Derivative Lawsuits |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Loss contingency, number of plaintiffs | numberOfPlaintiff |  | 3 |  |  |
Loss contingency, number of lawsuits | claimsFiled |  | 3 |  |  |

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