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Property and Equipment, Net | 12 Months Ended
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Jan. 31, 2016
Property Plant And Equipment [Abstract] |
Property and Equipment, Net | Note 4. Property and Equipment, Net Property and equipment, net consisted of the following (in thousands):
|  | January 31, |
|  | 2016 |  |  | 2015 |
Servers |  | $ | 111,015 |  |  | $ | 81,068 |
Leasehold improvements |  |  | 70,106 |  |  |  | 13,400 |
Computer hardware and software |  |  | 11,009 |  |  |  | 8,724 |
Furniture and fixtures |  |  | 10,461 |  |  |  | 5,046 |
Construction in progress |  |  | 4,808 |  |  |  | 4,815 |
Total property and equipment |  |  | 207,399 |  |  |  | 113,053 |
Less: accumulated depreciation |  |  | (86,907 | ) |  |  | (54,607 | )
Total property and equipment, net |  | $ | 120,492 |  |  | $ | 58,446 |
As of January 31, 2016, the gross carrying amount of property and equipment includes $13.9 million of servers and $1.2 million of construction in progress acquired under capital leases, and the accumulated depreciation of property and equipment acquired under these capital leases was $2.4 million. As of January 31, 2015, the gross carrying amount of property and equipment includes $1.9 million of servers and $69,000 of construction in progress acquired under capital leases, and the accumulated depreciation of property and equipment acquired under these capital leases was $140,000. Depreciation expense related to property and equipment was $34.8 million, $25.4 million and $15.9 million for the years ended January 31, 2016, 2015 and 2014, respectively. Included in these amount were depreciation expense for servers acquired under capital leases in the amount of $2.3 million, $140,000 and $0, for the same periods respectively. Construction in progress primarily consists of servers, networking equipment and storage infrastructure being provisioned in our third party datacenter hosting facilities as well as leasehold improvements. In addition, the amounts of interest capitalized to property and equipment were $400,000, $311,000 and $284,000 for the years ended January 31, 2016, 2015 and 2014, respectively.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=51717284&loc=d3e1361-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2921-110230 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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