CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 747,861	$ 95,382
Marketable securities	575,679	142,733
Accounts receivable, net	51,756	34,270
Deferred contract acquisition costs	14,640	9,167
Prepaid expenses and other current assets	31,440	30,852
Total current assets	1,421,376	312,404
Property and equipment, net	21,478	20,784
Deferred contract acquisition costs, noncurrent	15,007	9,106
Intangible assets, net	1,894	6,223
Goodwill	6,181	6,181
Deferred tax assets	6,284	4,393
Other assets	10,592	8,333
Total assets	1,482,812	367,424
Current liabilities:
Accounts payable	6,321	3,710
Accrued liabilities	55,829	35,608
Deferred revenue	160,173	104,184
Income tax payable	1,023	8,740
Total current liabilities	223,346	152,242
Other liabilities	21,427	16,827
Total liabilities	244,773	169,069
Commitments and contingencies (Note 9)
Redeemable convertible preferred stock, $0.0001 par value; zero and 154,055,430 shares authorized as of December 31, 2021 and 2020, respectively; zero and 153,937,730 shares issued and outstanding as of December 31, 2021 and 2020; aggregate liquidation preference of zero and $326,559 as of December 31, 2021 and 2020, respectively	0	2,895,096
Stockholders' equity (deficit):
Preferred stock, $0.00001 par value per share; 10,000,000 and zero shares authorized as of December 31, 2021 and 2020, respectively; zero shares issued and outstanding as of December 31, 2021 and 2020	0	0
Additional paid-in capital	4,509,724	0
Accumulated other comprehensive (loss) income	(747)	411
Accumulated deficit	(3,270,941)	(2,697,153)
Total stockholders' equity (deficit)	1,238,039	(2,696,741)
Total liabilities, redeemable convertible preferred stock and stockholders' equity (deficit)	1,482,812	367,424
Common Stock
Stockholders' equity (deficit):
Common stock, value	0	1
Class A Common Stock
Stockholders' equity (deficit):
Common stock, value	0	0
Class B Common Stock
Stockholders' equity (deficit):
Common stock, value	$ 3	$ 0