Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating Activities:
Net loss	$ (65,702)	$ (47,731)
Adjustments to reconcile net loss to net cash and cash equivalents provided by operating activities, net of acquisitions
Depreciation and amortization	27,063	21,736
Stock-based compensation	126,868	75,856
Loss on early extinguishment of 2022 Convertible Notes		3,088
Repayment of 2022 Convertible Notes attributable to the debt discount		(13,028)
Gain on strategic investments	(4,200)	(1,022)
Benefit from deferred income taxes	(398)	(1,120)
Amortization of debt discount and issuance costs	1,017	12,512
(Accretion) amortization of bond discount	(150)	1,670
Unrealized currency translation	1,980	280
Changes in assets and liabilities
Accounts receivable	(14,349)	8,944
Prepaid expenses and other assets	(21,911)	(7,694)
Deferred commission expense	(13,744)	(16,402)
Right-of-use assets	13,447	18,547
Accounts payable	8,960	(1,269)
Accrued expenses and other liabilities	23,089	15,533
Operating lease liabilities	(11,330)	(18,374)
Deferred revenue	52,506	49,365
Net cash and cash equivalents provided by operating activities	123,146	100,891
Investing Activities:
Purchases of investments	(864,063)	(654,063)
Maturities of investments	625,378	596,602
Sale of investments	124,998
Purchases of property and equipment	(18,272)	(10,746)
Purchases of intangible assets	(10,000)
Acquisition of a business, net of cash acquired		(16,810)
Purchases of strategic investments	(13,873)	(6,202)
Equity method investment	(250)	(3,100)
Capitalization of software development costs	(19,931)	(16,421)
Net cash and cash equivalents used in investing activities	(176,013)	(110,740)
Financing Activities:
Proceeds from settlement of Convertible Note Hedges related to the 2022 Convertible Notes	60,483	725
Payment for settlement of 2022 convertible notes	(79,807)	(45,409)
Repayment of 2025 Convertible Notes attributable to the principal	(1,619)
Employee taxes paid related to the net share settlement of stock-based awards	(7,764)	(6,913)
Proceeds related to the issuance of common stock under stock plans	19,699	24,868
Net cash and cash equivalents used in financing activities	(9,008)	(26,729)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(9,474)	(3,209)
Net increase in cash, cash equivalents and restricted cash	(71,349)	(39,787)
Cash, cash equivalents and restricted cash, beginning of period	380,042	381,152
Cash, cash equivalents and restricted cash, end of period	308,693	341,365
Supplemental cash flow disclosure:
Cash paid for interest	881	948
Cash paid for income taxes	2,824	4,198
Right-of-use assets obtained in exchange for operating lease liabilities	4,673	3,767
Non-cash investing and financing activities:
Issuance of common stock for repayment of 2022 Convertible Notes		209,859
Capital expenditures incurred but not yet paid	3,271	219
Asset retirement obligations	$ 1,161	$ 71