CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Jan. 31, 2020		Jan. 31, 2019
Current assets:
Cash and cash equivalents	[2]	$ 195,586	[1]	$ 217,518	[3],[4]
Accounts receivable, net of allowance of $3,221 and $2,728		209,434	[1]	175,130	[3]
Prepaid expenses and other current assets		21,865	[1]	14,223	[3]
Deferred commissions		30,841	[1]	21,683	[3]
Total current assets		457,726	[1]	428,554	[3]
Property and equipment, net		190,976	[1]	137,703	[3]
Operating lease right-of-use assets, net	[1]	197,806
Goodwill		18,740	[1]	18,740	[3]
Restricted cash	[3]			238
Deferred commissions, non-current		62,762	[1]	53,880	[3]
Other long-term assets		31,981	[1]	11,046	[3]
Total assets		959,991	[1]	650,161	[3]
Current liabilities:
Accounts payable		16,752	[1]	15,431	[3]
Accrued compensation and benefits		32,516	[1]	34,484	[3]
Accrued expenses and other current liabilities		25,700	[1]	31,378	[3]
Finance lease liabilities		54,634	[1]	28,317	[3]
Operating lease liabilities	[1]	40,339
Deferred revenue		407,493	[1]	353,590	[3]
Total current liabilities		577,434	[1]	463,200	[3]
Debt, non-current		40,000	[1]	40,000	[3]
Finance lease liabilities, non-current		83,427	[1]	44,597	[3]
Operating lease liabilities, non-current	[1]	206,141
Deferred revenue, non-current		16,356	[1]	21,451	[3]
Other long-term liabilities		14,276	[1]	49,508	[3]
Total liabilities		937,634	[1]	618,756	[3]
Commitments and contingencies (Note 7)			[1]		[3]
Stockholders’ equity:
Preferred stock, par value $0.0001 per share; 100,000 shares authorized, no shares issued and outstanding as of January 31, 2020 and 2019			[1]		[3]
Class A common stock, par value $0.0001 per share; 1,000,000 shares authorized; 150,611 and 144,311 shares issued and outstanding as of January 31, 2020 and 2019, respectively		15	[1]	14	[3]
Additional paid-in capital		1,302,072	[1]	1,166,443	[3]
Treasury stock		(1,177)	[1]	(1,177)	[3]
Accumulated other comprehensive (loss) income		(307)	[1]	23	[3]
Accumulated deficit		(1,278,246)	[1]	(1,133,898)	[3]
Total stockholders’ equity		22,357	[1]	31,405	[3]
Total liabilities and stockholders’ equity		$ 959,991	[1]	$ 650,161	[3]

[1] As reported and disclosed under ASC Topic 842

[2] As reported and disclosed under ASC Topic 842 and ASC Topic 606

[3] As reported and disclosed under ASC Topic 840

[4] As reported and disclosed under ASC Topic 840 and ASC Topic 606