CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities
Net loss	$ (879,166)	$ (376,250)	$ (82,996)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	246,561	125,292	75,612
Share-based compensation	386,009	357,965	189,600
Unrealized loss (gain) on investments	203,483	14,611	(80,988)
Asset write-down and other charges	305,351	0	0
Amortization of deferred and prepaid sales commission costs	115,184	74,165	47,207
Amortization of debt discount and issuance costs	4,468	64,063	49,031
Loss on early extinguishment of debt	0	1,736	13,284
Repayment of convertible senior notes attributable to debt discount	0	(10,131)	(35,020)
Reduction of operating lease right-of-use assets	19,907	18,025	15,712
Provision for bad debt	9,367	8,132	5,936
Other	4,327	809	(2,941)
Changes in assets and liabilities:
Accounts receivable	(87,843)	(64,940)	(51,980)
Deferred and prepaid sales commission costs	(235,869)	(178,358)	(274,908)
Prepaid expenses and other assets	3,812	9,111	(20,612)
Accounts payable	(6,166)	17,852	21,916
Accrued and other liabilities	89,473	74,517	76,467
Deferred revenue	33,275	34,227	34,851
Operating lease liabilities	(20,868)	(18,675)	(15,362)
Net cash provided by (used in) operating activities	191,305	152,151	(35,191)
Cash flows from investing activities
Purchases of property and equipment	(32,713)	(28,959)	(43,618)
Capitalized internal-use software	(53,730)	(43,692)	(38,113)
Purchases of intangible assets and long-term investments	(3,990)	(324,178)	(25,955)
Proceeds from sale of marketable equity investments	3,223	0	0
Net cash used in investing activities	(87,210)	(396,829)	(107,686)
Cash flows from financing activities
Proceeds from issuance of convertible senior notes, net of issuance costs	0	0	1,627,177
Payments for repurchase or redemption of convertible senior notes	0	(333,632)	(1,086,268)
Payments for capped calls and transaction costs	0	0	(102,695)
Proceeds from series A convertible preferred stock, net of issuance costs	0	199,449	0
Payments for repurchase of common stock	(99,793)	0	0
Proceeds from issuance of stock in connection with stock plans	15,855	36,721	41,230
Payments for taxes related to net share settlement of equity awards	(7,598)	(21,549)	(36,717)
Repayment of financing obligations	(4,815)	(4,160)	(1,489)
Payment for contingent consideration	(1,867)	(3,880)	(3,648)
Net cash provided by (used in) financing activities	(98,218)	(127,051)	437,590
Effect of exchange rate changes	(3,055)	(962)	1,534
Net increase (decrease) in cash, cash equivalents, and restricted cash	2,822	(372,691)	296,247
Cash, cash equivalents, and restricted cash
Beginning of period	267,162	639,853	343,606
End of period	269,984	267,162	639,853
Supplemental disclosure of cash flow data:
Cash paid for interest	347	309	220
Cash paid for income taxes, net of refunds	3,726	1,388	870
Non-cash investing and financing activities
Common stock issued for acquisition of intangible assets	0	302,600	0
Contingent consideration not paid	0	50,000	0
Equipment and capitalized internal-use software purchased and unpaid at period end	6,808	7,343	7,926
Cash held for future indemnity claims and other potential future payments	0	0	197
Equipment acquired under financing obligations	$ 0	$ 6,898	$ 4,694