CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue:
Hardware revenue	$ 9,016	$ 16,182
Total net revenue	461,554	379,269
Cost of revenue:
Hardware costs	12,662	26,740
Amortization of acquired technology	1,807	2,370
Total cost of revenue	288,123	269,029
Gross profit	173,431	110,240
Operating expenses:
Product development	68,582	64,592
Sales and marketing	49,900	38,496
General and administrative	56,935	96,107
Transaction, loan and advance losses	11,891	7,861
Amortization of acquired customer assets	205	317
Total operating expenses	187,513	207,373
Operating loss	(14,082)	(97,133)
Interest and other (income) expense, net	499	(717)
Loss before income tax	(14,581)	(96,416)
Provision for income taxes	509	339
Net loss	$ (15,090)	$ (96,755)
Net loss per share:
Basic (in USD per share)	$ (0.04)	$ (0.29)
Diluted (in USD per share)	$ (0.04)	$ (0.29)
Weighted-average shares used to compute net loss per share
Basic (in shares)	366,737	331,324
Diluted (in shares)	366,737	331,324
Transaction | Customers Other than Starbucks
Revenue:
Revenue	$ 403,478	$ 300,453
Cost of revenue:
Transaction and services-based costs	257,778	194,276
Transaction | Starbucks
Revenue:
Revenue	0	38,838
Cost of revenue:
Transaction and services-based costs	0	36,610
Software and data product
Revenue:
Revenue	49,060	23,796
Cost of revenue:
Transaction and services-based costs	$ 15,876	$ 9,033