Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 228,020	$ 409,949
Short-term investments	534,887	376,995
Accounts receivable, net	53,824	129,912
Prepaid expenses and other current assets	63,547	55,129
Total current assets	880,278	971,985
Property and equipment, net	24,483	20,296
Operating lease right-of-use assets	45,266	33,600
Long-term investments	229,027	187,921
Goodwill	36,756	36,910
Intangible assets, net	18,716	22,083
Other assets	88,796	69,543
Total assets	1,323,322	1,342,338
Current liabilities:
Accounts payable	13,280	9,383
Accrued payroll and payroll related liabilities	23,668	53,683
Accrued expenses and other current liabilities	29,412	31,715
Deferred revenue	78,469	83,895
Convertible senior notes, net	69,233	68,154
Total current liabilities	214,062	246,830
Convertible senior notes, net	636,917	630,321
Deferred revenue	2,216	2,733
Operating lease liabilities	40,569	29,293
Other liabilities	3,173	8,254
Total liabilities	896,937	917,431
Stockholders’ equity:
Preferred stock, $0.0001 par value: 10,000 shares authorized as of March 31, 2020 and December 31, 2019, respectively; no shares issued and outstanding as of March 31, 2020 and December 31, 2019, respectively	0	0
Common stock, $0.0001 par value: 500,000 Class A shares authorized, 52,847 and 52,056 shares issued and outstanding as of March 31, 2020 and December 31, 2019, respectively; 500,000 Class B shares authorized, 13,038 and 13,204 shares issued and outstanding as of March 31, 2020 and December 31, 2019, respectively	7	7
Additional paid-in capital	427,510	412,191
Retained earnings (accumulated deficit)	(1,847)	14,235
Accumulated other comprehensive income (loss)	715	(1,526)
Total stockholders’ equity	426,385	424,907
Total liabilities and stockholders’ equity	$ 1,323,322	$ 1,342,338