Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (544,396)	$ (434,395)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	137,744	119,405
Non-cash reduction to the right-of-use asset	25,539	23,200
Net amortization of investment premium and discount	20,274	13,834
Amortization of debt discount and issuance costs	713	5,081
Stock-based compensation	397,366	281,323
Amortization of deferred commissions	26,076	12,394
Value of shares of Class A common stock donated to charity	6,605	16,194
Loss on extinguishment of debt	0	28,986
Other adjustments	9,927	8,313
Changes in operating assets and liabilities:
Accounts receivable	(91,782)	(41,687)
Prepaid expenses and other current assets	(57,997)	(44,604)
Other long-term assets	(52,521)	(39,118)
Accounts payable	6,654	27,078
Accrued expenses and other current liabilities	78,430	65,923
Deferred revenue and customer deposits	(3,984)	7,615
Operating lease liabilities	(31,127)	(23,610)
Other long-term liabilities	(7,662)	290
Net cash (used in) provided by operating activities	(80,141)	26,222
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions, net of cash acquired and other related payments	(31,697)	(94,178)
Purchases of marketable securities and other investments	(1,325,366)	(2,807,798)
Proceeds from sales and maturities of marketable securities	754,574	754,466
Capitalized software development costs	(22,361)	(21,839)
Purchases of long-lived and intangible assets	(10,779)	(12,140)
Net cash used in investing activities	(635,629)	(2,181,489)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from public offerings, net of underwriters' discounts	0	1,766,400
Payments of costs related to public offerings	(35)	(394)
Proceeds from issuance of senior notes due 2029 and 2031	0	987,500
Payment of debt issuance costs	0	(1,362)
Proceeds from settlements of capped call, net of settlement costs	0	228,412
Principal payments on debt and finance leases	(6,188)	(6,658)
Value of equity awards withheld for tax liabilities	(1,069)	(4,656)
Proceeds from exercises of stock options and shares of Class A common stock issued under ESPP	41,694	55,614
Net cash provided by financing activities	34,402	3,024,856
Effect of exchange rate changes on cash, cash equivalents and restricted cash	313	(143)
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(681,055)	869,446
CASH, CASH EQUIVALENTS AND RESTRICTED CASH—Beginning of period	1,481,831	933,885
CASH, CASH EQUIVALENTS AND RESTRICTED CASH —End of period	800,776	1,803,331
Supplemental Cash Flow Information [Abstract]
Cash paid for income taxes, net	4,147	3,240
Cash paid for interest	18,750	693
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Value of common stock issued to settle convertible senior notes due 2023	0	1,704,969
RECONCILIATION OF CASH, CASH EQUIVALENTS AND RESTRICTED CASH TO THE CONDENSED CONSOLIDATED BALANCE SHEETS
Cash and cash equivalents	798,625	1,799,602
Restricted cash in other current assets	2,151	2,620
Restricted cash in other long-term assets	0	1,109
Total cash, cash equivalents and restricted cash	$ 800,776	$ 1,803,331