CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 30, 2020	Jan. 31, 2020
Current assets:
Cash and cash equivalents	$ 700,645	$ 706,192
Short-term investments	276,372	280,326
Accounts receivable, net of allowance for doubtful accounts of $4,327 and $2,515 as of April 30, 2020 and January 31, 2020, respectively	80,760	85,554
Deferred commissions	25,737	24,219
Prepaid expenses and other current assets	16,892	16,905
Total current assets	1,100,406	1,113,196
Property and equipment, net	57,914	58,316
Operating lease right-of-use assets	32,965	11,147
Goodwill	55,830	55,830
Acquired intangible assets, net	32,650	34,779
Deferred tax assets	680	615
Other assets	56,397	54,684
Total assets	1,336,842	1,328,567
Current liabilities:
Accounts payable	3,184	2,849
Accrued compensation and benefits	33,649	41,427
Operating lease liabilities (current)	4,005	3,750
Other accrued liabilities	27,112	26,860
Deferred revenue	173,067	167,498
Total current liabilities	241,017	242,384
Deferred tax liability, non-current	821	821
Operating lease liabilities, non-current	29,625	8,113
Deferred revenue, non-current	19,954	23,281
Convertible senior notes, net	923,098	911,075
Other liabilities, non-current	59,286	60,035
Total liabilities	1,273,801	1,245,709
Commitments and contingencies (Note 7)
Stockholders’ equity:
Additional paid-in capital	785,730	752,127
Treasury stock, 99,371 shares (repurchased at an average of $13.27 per share) as of April 30, 2020 and January 31, 2020	(1,319)	(1,319)
Accumulated other comprehensive income	998	225
Accumulated deficit	(722,426)	(668,232)
Total stockholders’ equity	63,041	82,858
Total liabilities and stockholders’ equity	1,336,842	1,328,567
Class A Common Stock
Stockholders’ equity:
Common stock	50	48
Class B Common Stock
Stockholders’ equity:
Common stock	$ 8	$ 9