CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 278,000	$ 178,223
Short-term investments	234,292	113,623
Accounts receivable (net of allowance for doubtful accounts of $524 and $261 at December 31, 2021 and 2020, respectively)	136,601	115,342
Deferred commissions	40,311	32,143
Prepaid expenses and other current assets	60,234	44,462
Total current assets	749,438	483,793
Property and equipment, net	36,833	38,920
Deferred commissions (net of current portion)	59,638	46,733
Operating lease right-of-use assets	38,530	39,426
Acquired intangible assets, net	71,536	13,193
Goodwill	261,614	54,414
Other assets	31,230	14,110
Total assets	1,248,819	690,589
Current liabilities:
Accounts payable and accrued expenses	16,254	5,731
Accrued compensation	54,051	35,509
Deferred revenue	407,498	328,819
Operating lease liabilities	2,320	3,815
Other current liabilities	3,759	1,028
Total current liabilities	483,882	374,902
Deferred revenue (net of current portion)	123,387	105,691
Term loan, net of issuance costs (net of current portion)	364,728	0
Operating lease liabilities (net of current portion)	55,046	54,529
Other liabilities	6,463	4,802
Total liabilities	1,033,506	539,924
Stockholders’ equity:
Common stock (par value: $0.01; 500,000 shares authorized, 108,929 and 103,715 shares issued and outstanding at December 31, 2021 and 2020, respectively)	1,089	1,037
Additional paid-in capital	869,059	757,470
Accumulated other comprehensive (loss) income	(306)	10
Accumulated deficit	(654,529)	(607,852)
Total stockholders’ equity	215,313	150,665
Total liabilities and stockholders’ equity	$ 1,248,819	$ 690,589