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Balance Sheet Components - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jul. 31, 2017	Jan. 31, 2017
Property Plant And Equipment [Line Items]
Total property and equipment, gross	$ 252,411	$ 237,677
Less: accumulated depreciation	(135,328)	(120,501)
Total property and equipment, net	117,083	117,176
Servers
Property Plant And Equipment [Line Items]
Total property and equipment, gross	156,297	143,219
Leasehold improvements
Property Plant And Equipment [Line Items]
Total property and equipment, gross	64,457	64,379
Computer hardware and software
Property Plant And Equipment [Line Items]
Total property and equipment, gross	12,119	11,373
Furniture and fixtures
Property Plant And Equipment [Line Items]
Total property and equipment, gross	13,061	12,824
Construction in progress
Property Plant And Equipment [Line Items]
Total property and equipment, gross	$ 6,477	$ 5,882

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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+ References

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