v3.25.4
INCOME TAXES - Additional Information (Details)
€ in Millions
 1 Months Ended 2 Months Ended 12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
Mar. 10, 2026
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Income Tax Contingency [Line Items]              
Income tax payments [1]       $ 36,771,000   $ 15,511,000 $ 7,904,000
Unrecognized tax benefits that would impact effective tax rate $ 12,100,000     12,100,000   11,900,000 7,600,000
Income tax examination, penalties and interest expense (benefit)       (800,000)   700,000 $ 600,000
Income tax examination, penalties and interest accrued 1,100,000     1,100,000   $ 1,900,000  
United States              
Income Tax Contingency [Line Items]              
Net operating loss carryforwards, subject to expiration 14,000,000.0     14,000,000.0      
State              
Income Tax Contingency [Line Items]              
Net operating loss carryforwards, subject to expiration 33,500,000     33,500,000      
International              
Income Tax Contingency [Line Items]              
Net operating loss carryforwards, not subject to expiration 972,400,000     $ 972,400,000      
Italy | Italy 2012 Assessment And Italy 2017 Assessment | Groupon S.r.l              
Income Tax Contingency [Line Items]              
Income tax examination, penalties expense 25,300,000 € 21.5          
Income Tax, Penalty Recognition, Classification [Extensible Enumeration]       Provision (benefit) for income taxes Provision (benefit) for income taxes    
Income tax examination, penalties expense, previously paid $ 10,400,000 € 8.9          
Income tax examination, penalties expense, net of previously paid       $ 14,800,000 € 12.6    
Italy | Italy 2012 Assessment And Italy 2017 Assessment | Groupon S.r.l | Subsequent Event              
Income Tax Contingency [Line Items]              
Income tax examination, penalties expense     $ 0        
[1] Income tax payments is inclusive of payments remitted, net of refunds received, related to the settlement of the Italy 2012 and 2017 Assessments. See Note 15, Income Taxes, for additional information.