Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 638,657	$ 862,977
Accounts receivable, net	78,284	71,272
Prepaid Expense and Other Assets, Current	99,855	94,441
Disposal Group, Including Discontinued Operation, Assets, Current	0	63,246
Total current assets	816,796	1,091,936
Property, equipment and software, net	150,023	169,452
Goodwill	285,436	274,551
Intangible assets, net	24,028	42,915
Investments	129,504	141,882
Deferred income taxes, non-current	5,007	5,151
Assets, Noncurrent	17,302	23,484
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	0	12,006
Total Assets	1,428,096	1,761,377
Current liabilities:
Accounts payable	25,954	28,551
Accrued merchant and supplier payables	598,251	770,992
Accrued expenses and other current liabilities	324,553	366,456
Disposal Group, Including Discontinued Operation, Liabilities, Current	0	47,052
Total current liabilities	948,758	1,213,051
Convertible Debt, Noncurrent	186,959	178,995
Deferred Tax Liabilities, Net, Noncurrent	1,927	1,714
Other non-current liabilities	102,386	99,628
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	0	2,927
Total Liabilities	1,240,030	1,496,315
Commitments and contingencies (see Note 7)
Stockholders' Equity
Additional paid-in capital	2,161,139	2,112,728
Treasury stock, at cost, 93,141,211 shares at September 30, 2015 and 27,239,104 shares at December 31, 2014	(867,450)	(807,424)
Accumulated deficit	(1,135,925)	(1,099,010)
Accumulated other comprehensive income	29,099	58,052
Total Groupon, Inc. Stockholders' Equity	186,938	264,420
Noncontrolling interests	1,128	642
Total Equity	188,066	265,062
Total Liabilities and Equity	1,428,096	1,761,377
Common Stock [Member]
Stockholders' Equity
Common Stock, Value, Issued	$ 75	$ 74