Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 483,152	$ 531,575
Restricted cash	4,792	4,737
Accounts receivable, net	67,773	68,642
Prepaid expenses	10,519	6,675
Deferred costs and other current assets	18,381	13,501
Total current assets	584,617	625,130
Property and equipment, net	7,214	6,284
Capitalized software development costs, net	15,230	14,287
Goodwill	156,114	91,421
Intangible assets, net	86,785	67,100
Restricted cash	3,354	3,350
Prepaid expenses	2,372	2,009
Deferred costs and other assets	30,810	27,715
Total assets	886,496	837,296
Current liabilities:
Accounts payable	10,279	7,808
Accrued payroll and employee related liabilities	23,514	22,248
Accrued expenses	5,649	4,496
Deferred revenue	134,409	129,995
Contingent liabilities	4,292
Other current liabilities	7,388	4,819
Total current liabilities	185,531	169,366
Long-term liabilities:
Deferred revenue, noncurrent	4,346	3,471
Convertible senior notes	441,231	430,282
Deferred tax liabilities	4,720	2,002
Other long-term liabilities	16,522	11,863
Total liabilities	652,350	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 June 30, 2020 and December 31, 2019, respectively
Common stock, $0.001 par value, 100,000,000 shares authorized, 34,463,801 and 33,848,627 shares issued and outstanding as of June 30, 2020 and December 31, 2019, respectively	34	34
Additional paid-in capital	488,561	425,945
Accumulated deficit	(244,525)	(199,920)
Accumulated other comprehensive loss	(9,924)	(5,747)
Total stockholders’ equity	234,146	220,312
Total liabilities and stockholders’ equity	$ 886,496	$ 837,296