Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 780,132	$ 853,362
Accounts receivable, net	68,974	68,175
Prepaid expenses and other current assets	190,053	153,705
Total current assets	1,039,159	1,075,242
Property, equipment and software, net	184,742	198,897
Goodwill	289,289	287,332
Intangible assets, net	29,549	36,483
Investments	181,051	178,236
Deferred income taxes, non-current	4,219	3,454
Other non-current assets	23,433	16,620
Total Assets	1,751,442	1,796,264
Current liabilities:
Accounts payable	17,573	24,590
Accrued merchant and supplier payables	655,617	776,211
Accrued expenses and other current liabilities	403,932	402,724
Total current liabilities	1,077,122	1,203,525
Convertible Debt, Noncurrent	174,015	0
Deferred income taxes, non-current	6,941	8,612
Other non-current liabilities	124,051	113,540
Total Liabilities	1,382,129	1,325,677
Commitments and contingencies (see Note 7)
Stockholders' Equity
Additional paid-in capital	2,070,537	1,964,453
Treasury stock, at cost, 93,141,211 shares at September 30, 2015 and 27,239,104 shares at December 31, 2014	(732,901)	(645,041)
Accumulated deficit	(1,008,446)	(901,292)
Accumulated other comprehensive income	39,292	51,206
Total Groupon, Inc. Stockholders' Equity	368,555	469,398
Noncontrolling interests	758	1,189
Total Equity	369,313	470,587
Total Liabilities and Equity	1,751,442	1,796,264
Common Class A [Member]
Stockholders' Equity
Common Stock, Value, Issued	73	72
Common Class B [Member]
Stockholders' Equity
Common Stock, Value, Issued	0	0
Common Stock [Member]
Stockholders' Equity
Common Stock, Value, Issued	$ 0	$ 0