CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenue:
Hardware revenue	$ 11,085	$ 3,591	$ 27,267	$ 5,795
Total net revenue	438,533	310,013	817,802	560,570
Cost of revenue:
Hardware costs	14,015	6,713	40,755	10,910
Amortization of acquired technology	1,886	1,142	4,256	1,744
Total cost of revenue	289,574	219,671	558,603	395,943
Gross profit	148,959	90,342	259,199	164,627
Operating expenses:
Product development	68,638	45,887	133,230	85,432
Sales and marketing	39,220	31,730	77,716	67,911
General and administrative	50,784	31,804	146,891	59,923
Transaction, loan and advance losses	17,455	8,513	25,316	24,835
Amortization of acquired customer assets	222	482	539	950
Total operating expenses	176,319	118,416	383,692	239,051
Operating loss	(27,360)	(28,074)	(124,493)	(74,424)
Interest (income) and expense, net	(129)	444	(60)	858
Other (income) and expense, net	(198)	(50)	(984)	746
Loss before income tax	(27,033)	(28,468)	(123,449)	(76,028)
Provision for income taxes	312	1,152	651	1,570
Net loss	$ (27,345)	$ (29,620)	$ (124,100)	$ (77,598)
Net loss per share:
Basic (in USD per share)	$ (0.08)	$ (0.20)	$ (0.37)	$ (0.53)
Diluted (in USD per share)	$ (0.08)	$ (0.20)	$ (0.37)	$ (0.53)
Weighted-average shares used to compute net loss per share
Basic (in shares)	334,488	149,253	332,906	147,288
Diluted (in shares)	334,488	149,253	332,906	147,288
Transaction | Customers Other than Starbucks
Revenue:
Revenue	$ 364,864	$ 259,864	$ 665,317	$ 470,974
Cost of revenue:
Transaction, software, and data product costs	234,857	165,823	429,133	297,930
Transaction | Starbucks
Revenue:
Revenue	32,867	33,630	71,705	62,867
Cost of revenue:
Transaction, software, and data product costs	28,672	40,921	65,282	77,132
Software and data product
Revenue:
Revenue	29,717	12,928	53,513	20,934
Cost of revenue:
Transaction, software, and data product costs	$ 10,144	$ 5,072	$ 19,177	$ 8,227