Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 546,522	$ 467,171
Restricted cash	4,666	4,667
Accounts receivable, net	86,211	94,376
Prepaid expenses	12,520	11,774
Deferred costs and other current assets	27,448	20,464
Total current assets	677,367	598,452
Property and equipment, net	10,772	7,774
Capitalized software development costs, net	19,144	16,329
Goodwill	403,626	187,411
Intangible assets, net	204,612	113,762
Restricted cash	3,778	3,792
Prepaid expenses	1,561	1,943
Deferred costs and other assets	36,621	31,481
Total assets	1,357,481	960,944
Current liabilities:
Accounts payable	7,634	9,698
Accrued payroll and employee related liabilities	28,368	27,674
Accrued expenses	11,866	7,246
Deferred revenue	202,800	165,389
Contingent consideration liabilities		10,619
Other current liabilities	11,120	15,602
Total current liabilities	261,788	236,228
Long-term liabilities:
Deferred revenue, noncurrent	11,271	4,738
Convertible senior notes	656,183	441,514
Deferred tax liabilities	12,531	10,065
Other long-term liabilities	16,926	16,094
Total liabilities	958,699	708,639
Commitments and contingencies
Stockholders' equity:
Preferred stock, par value $0.001, 10,000,000 shares authorized, no shares issued or outstanding as of September 30, 2021 and December 31, 2020, respectively
Common stock, $0.001 par value, 100,000,000 shares authorized, 38,549,185 and 35,449,447 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively	39	35
Additional paid-in capital	777,998	542,776
Accumulated deficit	(377,604)	(293,316)
Accumulated other comprehensive income (loss)	(1,651)	2,810
Total stockholders’ equity	398,782	252,305
Total liabilities and stockholders’ equity	$ 1,357,481	$ 960,944