Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 734,752	$ 467,171
Restricted cash	4,667	4,667
Accounts receivable, net	84,810	94,376
Prepaid expenses	13,479	11,774
Deferred costs and other current assets	22,004	20,464
Total current assets	859,712	598,452
Property and equipment, net	8,501	7,774
Capitalized software development costs, net	16,787	16,329
Goodwill	234,779	187,411
Intangible assets, net	130,874	113,762
Restricted cash	3,788	3,792
Prepaid expenses	1,574	1,943
Deferred costs and other assets	32,188	31,481
Total assets	1,288,203	960,944
Current liabilities:
Accounts payable	8,829	9,698
Accrued payroll and employee related liabilities	25,606	27,674
Accrued expenses	12,047	7,246
Deferred revenue	178,822	165,389
Contingent consideration liabilities	19,331	10,619
Other current liabilities	14,698	15,602
Total current liabilities	259,333	236,228
Long-term liabilities:
Deferred revenue, noncurrent	5,637	4,738
Convertible senior notes	638,165	441,514
Deferred tax liabilities	13,608	10,065
Other long-term liabilities	14,880	16,094
Total liabilities	931,623	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 March 31, 2021 and December 31, 2020, respectively
Common stock, $0.001 par value, 100,000,000 shares authorized, 37,612,199 and 35,449,447 shares issued and outstanding as of March 31, 2021 and December 31, 2020, respectively	38	35
Additional paid-in capital	671,434	542,776
Accumulated deficit	(315,105)	(293,316)
Accumulated other comprehensive income	213	2,810
Total stockholders’ equity	356,580	252,305
Total liabilities and stockholders’ equity	$ 1,288,203	$ 960,944