CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Revenue	$ 498,422	$ 492,557	$ 514,910
Cost of revenue	45,883	48,251	64,246
Gross profit	452,539	444,306	450,664
Operating expenses:
Marketing	165,855	144,207	110,505
Selling, general and administrative	273,728	295,399	350,405
Restructuring and related charges (credits)	(34)	1,066	8,006
(Gain) on sale of assets	0	(5,160)	0
(Gain) on sale of business	(10,650)	0	0
Total operating expenses	428,899	435,512	468,916
Income (loss) from operations	23,640	8,794	(18,252)
Loss on extinguishment of debt	(99,925)	(1,631)	0
Other income (expense), net	30,829	(37,554)	(25,174)
Income (loss) from continuing operations before provision (benefit) for income taxes	(45,456)	(30,391)	(43,426)
Provision (benefit) for income taxes	35,625	26,123	9,508
Income (loss) from continuing operations	(81,081)	(56,514)	(52,934)
Less: Income (loss) from discontinued operations, net of tax	(616)	0	0
Net income (loss)	(81,697)	(56,514)	(52,934)
Net income attributable to noncontrolling interests	(1,823)	(2,513)	(2,476)
Net income (loss) attributable to Groupon, Inc.	$ (83,520)	$ (59,027)	$ (55,410)
Net income (loss) per share:
Continuing operations, basic (in usd per share)	$ (2.06)	$ (1.51)	$ (1.77)
Continuing operations, diluted (in usd per share)	(2.06)	(1.51)	(1.77)
Discontinued operations, basic (in usd per share)	(0.02)	0	0
Discontinued operations, diluted (in usd per share)	(0.02)	0	0
Basic net income (loss) per share (in usd per share)	(2.08)	(1.51)	(1.77)
Diluted net income (loss) per share (in usd per share)	$ (2.08)	$ (1.51)	$ (1.77)
Basic weighted average number of shares outstanding (in shares)	40,299,826	39,170,368	31,243,179
Diluted weighted average number of shares outstanding (in shares)	40,299,826	39,170,368	31,243,179