CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Income Statement [Abstract]
Revenue	$ 117,200	$ 117,187
Cost of revenue	11,151	10,889
Gross profit	106,049	106,298
Operating expenses:
Marketing	36,333	34,437
Selling, general and administrative	73,028	69,840
Restructuring and related charges	7	137
Total operating expenses	109,368	104,414
Income (loss) from operations	(3,319)	1,884
Other income (expense), net	(4,371)	7,571
Income (loss) from continuing operations before provision (benefit) for income taxes	(7,690)	9,455
Provision (benefit) for income taxes	4,899	1,428
Income (loss) from continuing operations	(12,589)	8,027
Income (loss) from discontinued operations, net of tax	(30)	(471)
Net income (loss)	(12,619)	7,556
Net (income) loss attributable to noncontrolling interests	(240)	(381)
Net income (loss) attributable to Groupon, Inc.	$ (12,859)	$ 7,175
Basic net income (loss) per share:
Continuing operations (in usd per share)	$ (0.32)	$ 0.19
Discontinued operations (in usd per share)	0	(0.01)
Basic net income (loss) per share (in usd per share)	(0.32)	0.18
Diluted net income (loss) per share:
Continuing operations (in usd per share)	(0.32)	0.18
Discontinued operations (in usd per share)	0	(0.01)
Diluted net income (loss) per share (in usd per share)	$ (0.32)	$ 0.17
Weighted average number of shares outstanding:
Basic weighted average number of shares outstanding (in shares)	40,532,674	39,809,354
Diluted weighted average number of shares outstanding (in shares)	40,532,674	41,719,655
Comprehensive income (loss):
Net income (loss)	$ (12,619)	$ 7,556
Other comprehensive income (loss)
Net change in unrealized gain (loss) on foreign currency translation adjustments	2,305	(10,371)
Other comprehensive income (loss)	2,305	(10,371)
Comprehensive income (loss)	(10,314)	(2,815)
Comprehensive income attributable to noncontrolling interests	(240)	(381)
Comprehensive income (loss) attributable to Groupon, Inc.	$ (10,554)	$ (3,196)