Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 618,550	$ 862,977
Accounts receivable, net	60,785	71,272
Prepaid Expense and Other Assets, Current	107,527	94,441
Disposal Group, Including Discontinued Operation, Assets, Current	0	63,246
Total current assets	786,862	1,091,936
Property, equipment and software, net	162,577	169,452
Goodwill	282,011	274,551
Intangible assets, net	32,256	42,915
Investments	141,436	141,882
Deferred income taxes, non-current	4,838	5,151
Assets, Noncurrent	17,457	23,484
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	0	12,006
Total Assets	1,427,437	1,761,377
Current liabilities:
Accounts payable	18,389	28,551
Accrued merchant and supplier payables	606,020	770,992
Accrued expenses and other current liabilities	328,998	366,456
Disposal Group, Including Discontinued Operation, Liabilities, Current	0	47,052
Total current liabilities	953,407	1,213,051
Convertible Debt, Noncurrent	184,237	178,995
Deferred Tax Liabilities, Net, Noncurrent	1,833	1,714
Other non-current liabilities	101,978	99,628
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	0	2,927
Total Liabilities	1,241,455	1,496,315
Commitments and contingencies (see Note 7)
Stockholders' Equity
Additional paid-in capital	2,145,030	2,112,728
Treasury stock, at cost, 93,141,211 shares at September 30, 2015 and 27,239,104 shares at December 31, 2014	(858,291)	(807,424)
Accumulated deficit	(1,135,984)	(1,099,010)
Accumulated other comprehensive income	34,358	58,052
Total Groupon, Inc. Stockholders' Equity	185,187	264,420
Noncontrolling interests	795	642
Total Equity	185,982	265,062
Total Liabilities and Equity	1,427,437	1,761,377
Common Stock [Member]
Stockholders' Equity
Common Stock, Value, Issued	$ 74	$ 74