CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (81,697)	$ (56,514)	$ (52,934)
Other comprehensive income (loss)
Net change in unrealized gain (loss) on foreign currency translation adjustments	(36,239)	36,381	(8,589)
Other comprehensive income (loss)	(36,239)	36,381	(8,589)
Comprehensive income (loss)	(117,936)	(20,133)	(61,523)
Comprehensive income attributable to noncontrolling interests	(1,823)	(2,513)	(2,476)
Comprehensive income (loss) attributable to Groupon, Inc.	$ (119,759)	$ (22,646)	$ (63,999)