Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 31, 2020	Jan. 31, 2019
Current assets
Cash and cash equivalents	$ 241,203	$ 517,811
Investments—current	414,939	251,203
Restricted cash	280	367
Accounts receivable	237,841	174,548
Contract assets—current	12,502	10,616
Prepaid expenses and other current assets	37,125	29,976
Total current assets	943,890	984,521
Investments—noncurrent	239,729	164,220
Property and equipment, net	128,293	75,832
Operating lease right-of-use assets	149,833	0
Goodwill	194,882	195,225
Intangible assets, net	56,500	74,203
Deferred contract acquisition costs—noncurrent	153,333	112,583
Other assets—noncurrent	24,678	8,833
Total assets	1,891,138	1,615,417
Current liabilities
Accounts payable	28,144	19,590
Accrued expenses and other current liabilities	54,344	35,658
Accrued compensation	83,189	77,553
Contract liabilities—current	507,560	381,060
Operating lease liabilities—current	20,728	0
Deferred rent—current	0	2,452
Total current liabilities	693,965	516,313
Convertible senior notes, net	465,321	438,932
Contract liabilities—noncurrent	11,478	7,712
Operating lease liabilities—noncurrent	162,432	0
Deferred rent—noncurrent	0	24,195
Deferred tax liability—noncurrent	4,920	4,207
Other liabilities—noncurrent	6,695	9,696
Total liabilities	1,344,811	1,001,055
Commitments and contingencies (Note 12)
Stockholders’ equity
Additional paid-in capital	1,685,167	1,545,088
Accumulated other comprehensive loss	(1,673)	(1,965)
Accumulated deficit	(1,137,185)	(928,778)
Total stockholders’ equity (deficit)	546,327	614,362
Total liabilities, redeemable convertible preferred stock, and stockholders’ equity (deficit)	1,891,138	1,615,417
Preferred Stock, Value, Outstanding	0	0
Common Stock, Value, Outstanding	$ 18	$ 17