CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 750,887	$ 841,021
Accounts receivable, net	54,953	69,493
Prepaid expenses and other current assets	82,073	88,115
Total current assets	887,913	998,629
Property, equipment and software, net	124,950	143,117
Right-of-use assets - operating leases, net	108,390	0
Goodwill	325,017	325,491
Intangible assets, net	35,292	45,401
Investments (including $1,405 and $84,242 at December 31, 2019 and December 31, 2018 at fair value)	76,576	108,515
Other non-current assets	28,605	20,989
Total Assets	1,586,743	1,642,142
Current liabilities:
Accounts payable	20,415	38,359
Accrued merchant and supplier payables	540,940	651,781
Accrued expenses and other current liabilities	260,192	267,034
Total current liabilities	821,547	957,174
Convertible senior notes, net	214,869	201,669
Operating lease obligations	110,294	0
Other non-current liabilities	44,987	100,688
Total Liabilities	1,191,697	1,259,531
Commitments and contingencies (see Note 11)
Stockholders' Equity
Common stock, par value $0.0001 per share, 2,010,000,000 shares authorized; 771,697,087 shares issued and 565,814,732 shares outstanding at December 31, 2019; 760,939,440 shares issued and 569,084,312 shares outstanding at December 31, 2018	77	76
Additional paid-in capital	2,310,320	2,234,560
Treasury stock, at cost, 205,882,355 and 191,855,128 shares at December 31, 2019 and December 31, 2018	(922,666)	(877,491)
Accumulated deficit	(1,032,876)	(1,010,499)
Accumulated other comprehensive income (loss)	39,081	34,602
Total Groupon, Inc. Stockholders' Equity	393,936	381,248
Noncontrolling interests	1,110	1,363
Total Equity	395,046	382,611
Total Liabilities and Equity	$ 1,586,743	$ 1,642,142