CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue:
Revenue	$ 1,381,109	$ 959,359
Cost of revenue:
Total cost of revenue	842,608	562,605
Gross profit	538,501	396,754
Operating expenses:
Product development	194,986	154,350
Sales and marketing	194,535	133,713
General and administrative	129,495	101,598
Transaction and loan losses	108,883	27,841
Amortization of acquired customer assets	4,152	3,487
Total operating expenses	628,789	418,796
Operating loss	(90,288)	(22,042)
Interest expense, net	9,206	4,681
Other expense, net	5,862	11,299
Loss before income tax	(105,356)	(38,022)
Provision for income taxes	535	129
Net loss	$ (105,891)	$ (38,151)
Net loss per share
Basic (in USD per share)	$ (0.24)	$ (0.09)
Diluted (in USD per share)	$ (0.24)	$ (0.09)
Weighted-average shares used to compute net loss per share
Basic (in shares)	434,940	419,289
Diluted (in shares)	434,940	419,289
Technology assets
Cost of revenue:
Amortization of acquired technology	$ 2,320	$ 1,376
Customer assets
Operating expenses:
Amortization of acquired customer assets	890	1,294
Transaction-based revenue
Revenue:
Revenue	758,101	656,762
Cost of revenue:
Cost of revenue	465,779	409,069
Subscription and services-based revenue
Revenue:
Revenue	255,883	190,307
Revenue	296,235	218,857
Cost of revenue:
Cost of revenue	40,711	60,523
Hardware revenue
Revenue:
Revenue	20,675	18,212
Cost of revenue:
Cost of revenue	34,372	26,941
Bitcoin revenue
Revenue:
Revenue	306,098	65,528
Cost of revenue:
Cost of revenue	$ 299,426	$ 64,696