Consolidated Statements of Operations - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue:
Third party and other		$ 315,854	$ 294,576	$ 617,426	$ 604,205
Direct		346,765	429,184	718,819	817,990
Total revenue		662,619	723,760	1,336,245	1,422,195
Cost of revenue:
Third party and other		38,478	38,109	81,351	79,169
Direct		296,074	370,274	617,376	707,547
Total cost of revenue		334,552	408,383	698,727	786,716
Gross profit		328,067	315,377	637,518	635,479
Operating expenses:
Marketing		100,658	89,180	187,000	176,475
Selling, general and administrative		230,187	258,737	462,233	521,715
Restructuring Charges		4,584	15,702	7,315	27,215
Gain (Loss) on Disposition of Business		0	(9,339)	0	(9,339)
Acquisition-related (benefit) expense, net		36	850	48	4,314
Total operating expenses		335,465	355,130	656,596	720,380
Income (loss) from operations		(7,398)	(39,753)	(19,078)	(84,901)
Other expense, net		5,878	(11,253)	1,276	(8,635)
Loss from continuing operations before provision for income taxes		(1,520)	(51,006)	(17,802)	(93,536)
Provision for income taxes		3,883	(2,238)	8,470	(1,229)
Loss from continuing operations		(5,403)	(48,768)	(26,272)	(92,307)
Income (loss) from discontinued operations, net of tax		(1,376)	(2,963)	(889)	(5,020)
Net loss		(6,779)	(51,731)	(27,161)	(97,327)
Net income attributable to noncontrolling interests		(2,547)	(3,173)	(6,579)	(6,696)
Net loss attributable to Groupon, Inc.		$ (9,326)	$ (54,904)	$ (33,740)	$ (104,023)
Basic net income (loss) per share
Continuing operations	[1]	$ (0.01)	$ (0.09)	$ (0.06)	$ (0.17)
Discontinued operations	[1]	(0.01)	(0.01)	0.00	(0.01)
Basic, net (loss) earnings per share	[1]	$ (0.02)	$ (0.10)	$ (0.06)	$ (0.18)
Weighted average number of shares outstanding
Basic, weighted average number of shares outstanding	[1]	559,762,180	576,903,004	560,978,712	579,827,341
Diluted, weighted average number of shares outstanding	[1]	559,762,180	576,903,004	560,978,712	579,827,341

[1] (1)The structure of the Company's common stock changed during the year ended December 31, 2016. Refer to Note 8, Stockholders' Equity and Compensation Arrangements, and Note 12, Income (Loss) per Share, for additional information.