Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 498,387	$ 531,575
Restricted cash	4,756	4,737
Accounts receivable, net	70,760	68,642
Prepaid expenses	9,949	6,675
Deferred costs and other current assets	18,468	13,501
Total current assets	602,320	625,130
Property and equipment, net	7,107	6,284
Capitalized software development costs, net	14,394	14,287
Goodwill	141,727	91,421
Intangible assets, net	83,869	67,100
Restricted cash	3,353	3,350
Prepaid expenses	2,707	2,009
Deferred costs and other assets	31,602	27,715
Total assets	887,079	837,296
Current liabilities:
Accounts payable	6,971	7,808
Accrued payroll and employee related liabilities	26,884	22,248
Accrued expenses	7,648	4,496
Deferred revenue	141,858	129,995
Contingent liabilities	2,530
Other current liabilities	6,667	4,819
Total current liabilities	192,558	169,366
Long-term liabilities:
Deferred revenue, noncurrent	3,673	3,471
Convertible senior notes	435,718	430,282
Deferred tax liabilities	5,472	2,002
Other long-term liabilities	16,150	11,863
Total liabilities	653,571	616,984
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, 2020 and December 31, 2019, respectively
Common stock, $0.001 par value, 100,000,000 shares authorized, 34,348,008 and 33,848,627 shares issued and outstanding as of March 31, 2020 and December 31, 2019, respectively	34	34
Additional paid-in capital	471,046	425,945
Accumulated deficit	(225,305)	(199,920)
Accumulated other comprehensive loss	(12,267)	(5,747)
Total stockholders’ equity	233,508	220,312
Total liabilities and stockholders’ equity	$ 887,079	$ 837,296