CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net loss	$ (124,100)	$ (77,598)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	18,136	11,956
Share-based compensation	68,120	28,693
Provision for transaction losses	23,392	21,566
Provision for (reduction in) uncollectible merchant cash advances	(93)	3,148
Deferred provision for income taxes	63	(207)
Loss on disposal of property and equipment	131	240
Changes in operating assets and liabilities:
Settlements receivable	(62,169)	(56,326)
Purchase of loans held for sale	(212,727)	0
Proceeds from sales and principal payments of loans held for sale	183,748	0
Merchant cash advance receivable	15,298	(6,145)
Other current assets	(7,313)	(4,735)
Other assets	(377)	1,177
Accounts payable	2,538	3,408
Customers payable	84,826	67,286
Charge-offs and recoveries to accrued transaction losses	(24,475)	(14,174)
Accrued expenses	(13,784)	3,834
Other current liabilities	13,446	(10)
Other noncurrent liabilities	(431)	7,388
Net cash used in operating activities	(35,771)	(10,499)
Cash flows from investing activities:
Purchase of marketable securities	(102,245)	0
Proceeds from maturities of marketable securities	16,768	0
Proceeds from sale of marketable securities	4,964	0
Purchase of property and equipment	(15,840)	(20,760)
Payment for acquisition of intangible assets	(400)	(110)
Change in restricted cash	(8,453)	0
Business acquisitions (net of cash acquired)	0	(3,750)
Net cash used in investing activities	(105,206)	(24,620)
Cash flows from financing activities:
Payments of offering costs related to initial public offering	(5,530)	0
Proceeds from issuances of common stock from the exercise of options and employee stock purchase plan	15,496	8,633
Net cash provided by financing activities	9,966	8,633
Effect of foreign exchange rate changes on cash and cash equivalents	2,672	(874)
Net decrease in cash and cash equivalents	(128,339)	(27,360)
Cash and cash equivalents, beginning of period	470,775	225,300
Cash and cash equivalents, end of period	$ 342,436	$ 197,940