CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 151,976	$ 313,777
Available-for-sale securities	1,573,264	1,508,066
Accounts receivable, net	125,350	95,543
Contract assets	6,329	6,079
Restricted cash short-term	2,487	2,958
Prepaid expenses and other current assets	35,404	29,433
Total current assets	1,894,810	1,955,856
Property and equipment, net	202,432	183,736
Goodwill	28,481	23,530
Acquired intangible assets, net	3,846	1,254
Operating lease right-of-use assets	138,871	130,314
Deferred contract acquisition costs, noncurrent	76,266	70,320
Restricted cash	5,969	4,223
Other noncurrent assets	3,274	2,838
Total assets	2,353,949	2,372,071
Current liabilities:
Accounts payable	32,925	26,086
Accrued expenses and other current liabilities	40,888	38,085
Accrued compensation	39,978	65,905
Operating lease liabilities	27,305	25,175
Liability for early exercise of unvested stock options	3,870	4,651
Deferred revenue	131,650	116,546
Current portion of convertible senior notes, net	0	12,117
Total current liabilities	276,616	288,565
Convertible senior notes, net	1,432,705	1,146,877
Operating lease liabilities, noncurrent	114,619	109,037
Deferred revenue, noncurrent	5,577	4,680
Other noncurrent liabilities	8,955	7,114
Total liabilities	1,838,472	1,556,273
Commitments and contingencies (Note 8)
Temporary equity, convertible senior notes	0	4,439
Stockholders’ Equity:
Additional paid-in capital	1,215,790	1,494,512
Accumulated deficit	(687,891)	(680,829)
Accumulated other comprehensive loss	(12,745)	(2,645)
Total stockholders’ equity	515,477	811,359
Total liabilities, temporary equity and stockholders’ equity	2,353,949	2,372,071
Class A common stock
Stockholders’ Equity:
Common stock, value, issued	280	277
Class B common stock
Stockholders’ Equity:
Common stock, value, issued	$ 43	$ 44