CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Jan. 31, 2019		Jan. 31, 2018
Current assets:
Cash and cash equivalents	[1]	$ 217,518		$ 208,076	[2],[3]
Accounts receivable, net of allowance of $2,728 and $1,856	[4]	175,130	[1]	162,133	[2]
Prepaid expenses and other current assets		14,223	[1]	11,391	[2]
Deferred commissions		21,683	[1]	17,589	[2]
Total current assets		428,554	[1]	399,189	[2]
Property and equipment, net		137,703	[1]	123,977	[2]
Intangible assets, net	[2]			24
Goodwill		18,740	[1]	16,293	[2]
Restricted cash		238	[1]	350	[2]
Deferred commissions, non-current		53,880	[1]	8,330	[2],[5]
Other long-term assets		11,046	[1]	5,403	[2]
Total assets		650,161	[1]	553,566	[2]
Current liabilities:
Accounts payable		15,431	[1]	17,036	[2]
Accrued compensation and benefits		34,484	[1]	37,707	[2]
Accrued expenses and other current liabilities		27,708	[1]	26,198	[2]
Capital lease obligations		28,317	[1]	18,844	[2]
Deferred revenue		353,590	[1]	291,902	[2]
Deferred rent		3,670	[1]	2,280	[2]
Total current liabilities		463,200	[1]	393,967	[2]
Debt, non-current		40,000	[1]	40,000	[2]
Capital lease obligations, non-current		44,597	[1]	26,980	[2]
Deferred revenue, non-current		21,451	[1]	29,021	[2]
Deferred rent, non-current		45,034	[1]	45,882	[2]
Other long-term liabilities		4,474	[1]	2,748	[2]
Total liabilities		618,756	[1]	538,598	[2]
Commitments and contingencies (Note 8)			[1]		[2]
Stockholders’ equity:
Common stock		14	[1]	13	[2]
Additional paid-in capital		1,166,443	[1]	1,054,932	[2]
Treasury stock		(1,177)	[1]	(1,177)	[2]
Accumulated other comprehensive income		23	[1]	288	[2]
Accumulated deficit		(1,133,898)	[1]	(1,039,088)	[2]
Total stockholders’ equity		31,405	[1]	14,968	[2]
Total liabilities and stockholders’ equity		$ 650,161	[1]	$ 553,566	[2]

[1] As reported under ASC Topic 606

[2] As reported under ASC Topic 605

[3] As reported under ASC Topic 605 and adjusted due to the adoption of ASU 2016-18

[4] Contract assets are reported as part of accounts receivable upon the adoption of ASC Topic 606.

[5] As of January 31, 2018, deferred commissions, non-current was reported as part of other long-term assets. The consolidated balance sheet as of January 31, 2018 was reclassified to conform to the current period presentation.