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Commitments and Contingencies - Additional Information (Details) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 31, 2016 USD ($) | Feb. 13, 2015 USD ($) | Jul. 31, 2017 USD ($) | Jul. 31, 2016 USD ($) | Apr. 30, 2016 USD ($) | Jul. 31, 2017 USD ($) | Jul. 31, 2016 USD ($) | Jan. 31, 2017 USD ($) Floor | Jan. 31, 2016 USD ($) | Jan. 31, 2015 USD ($)
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Letters of credit facility |  |  | $ 26,500 |  |  | $ 26,500 |  | $ 26,800 |  |
Rent expense |  |  | 6,900 | $ 4,200 |  | 12,200 | $ 8,600 |  |  |
Sublease income |  |  | 1,900 | 1,700 |  | 3,700 | 3,200 |  |  |
Amortization of intangible assets |  |  |  | $ 900 |  | $ 400 | $ 2,400 |  |  |
Settlement Agreement |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Amortization of intangible assets | $ 100 |  |  |  |  |  |  |  |  |
Date of settlement agreement |  |  |  |  |  | Mar. 31, 2016 |  |  |  |
Jury award amount | 4,900 |  |  |  |  |  |  |  |  |
Reversal of Previous Settlement Accruals and Interest | 5,600 |  |  |  |  |  |  |  |  |
Income (Loss) Related to Litigation Settlement |  |  |  |  | $ 1,700 |  |  |  |  |
Open Text S.A. |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Damage awarded |  | $ 4,900 |  |  |  |  |  |  |  |
Accrual in relation to the jury award |  |  |  |  |  |  |  |  |  | $ 4,900
Litigation expense |  |  |  |  |  |  |  |  |  | $ 3,900
Weighted Average Useful Life |  |  |  |  |  |  |  |  |  | 14 months
Accrued additional liability related to the interest on the jury award |  |  |  |  |  |  |  |  | $ 700 |
Open Text S.A. | Settlement Agreement |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Settlement amount paid | $ 3,750 |  |  |  |  |  |  |  |  |
Open Text S.A. | General and Administrative Expense |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Amortization of intangible assets |  |  |  |  |  |  |  |  | $ 900 |
San Francisco Building |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of floors for headquarters | Floor |  |  |  |  |  |  |  | 1 |  |
Subleases Expire in Fiscal 2018 and 2021 |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Non-cancellable sublease proceeds for the year ending January 31, 2018 |  |  | 3,600 |  |  | $ 3,600 |  |  |  |
Non-cancellable sublease proceeds for the year ending January 31, 2019 |  |  | 5,800 |  |  | 5,800 |  |  |  |
Non-cancellable sublease proceeds for the year ending January 31, 2020 |  |  | 1,900 |  |  | 1,900 |  |  |  |
Non-cancellable sublease proceeds for the year ending January 31, 2021 |  |  | $ 1,700 |  |  | $ 1,700 |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Operating lease expiration year |  |  |  |  |  | 2018 |  |  |  |
Capital lease term |  |  |  |  |  | 3 years |  |  |  |
Term of sublease arrangement |  |  |  |  |  | 19 months |  |  |  |
Non-cancellable sublease expiration year |  |  |  |  |  | 2018 |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Operating lease expiration year |  |  |  |  |  | 2029 |  |  |  |
Capital lease term |  |  |  |  |  | 4 years |  |  |  |
Term of sublease arrangement |  |  |  |  |  | 49 months |  |  |  |
Non-cancellable sublease expiration year |  |  |  |  |  | 2021 |  |  |  |

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