CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Condensed Statement of Income Captions [Line Items]
Income (loss) from continuing operations	$ (234,380)	$ 120,348	$ (286,562)
Other comprehensive income (loss) from continuing operations:
Comprehensive income (loss)	(226,625)	112,426	(322,152)
Comprehensive income attributable to noncontrolling interests	(3,229)	(1,680)	(1,751)
Comprehensive income (loss) attributable to Groupon, Inc.	(229,854)	110,746	(323,903)
Continuing Operations
Condensed Statement of Income Captions [Line Items]
Income (loss) from continuing operations	(234,380)	120,348	(286,562)
Other comprehensive income (loss) from continuing operations:
Net change in unrealized gain (loss) on foreign currency translation adjustments	7,755	(40,195)	(35,972)
Reclassification of cumulative foreign currency translation adjustments (See Note 13)	0	32,273	0
Other comprehensive income (loss)	7,755	(7,922)	(35,972)
Comprehensive income (loss)	(226,625)	112,426	(322,534)
Discontinued Operations
Other comprehensive income (loss) from continuing operations:
Other comprehensive income (loss)	0	0	382
Income (loss) from discontinued operations	$ 0	$ 0	$ 382