CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 567,980	$ 476,103
Marketable securities	590,263	539,780
Accounts receivable, net of allowance for credit losses of $5,742 and $6,190 as of June 30, 2022 and December 31, 2021, respectively	258,127	273,898
Deferred costs	82,497	72,042
Prepaid expenses and other current assets	71,514	56,809
Total current assets	1,570,381	1,418,632
Marketable securities, noncurrent	473,949	559,652
Property and equipment, net	90,955	97,815
Deferred costs, noncurrent	78,266	72,553
Lease right-of-use assets	48,259	69,936
Goodwill and intangible assets, net	193,610	197,098
Other assets	36,689	35,593
Total assets	2,492,109	2,451,279
Current liabilities:
Accounts payable	70,682	49,213
Accrued liabilities	56,562	50,075
Accrued compensation and related benefits	105,297	138,127
Deferred revenue	563,873	512,933
Lease liabilities	21,977	21,253
Current portion of convertible senior notes, net	148,687	139,738
Total current liabilities	967,078	911,339
Convertible senior notes, net	1,137,424	979,350
Deferred revenue, noncurrent	6,326	4,277
Lease liabilities, noncurrent	51,727	63,212
Other liabilities	2,733	3,883
Total liabilities	2,165,288	1,962,061
Commitments and contingencies (Note 9)
Stockholders’ equity:
Preferred stock	0	0
Common stock	1,232	1,215
Additional paid-in capital	1,568,922	1,637,157
Accumulated other comprehensive loss	(22,176)	(8,911)
Accumulated deficit	(1,221,157)	(1,140,243)
Total stockholders’ equity	326,821	489,218
Total liabilities and stockholders’ equity	$ 2,492,109	$ 2,451,279