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Acquisition - Additional Information (Detail) - CaseStack, Inc. [Member] - USD ($) $ in Thousands |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Dec. 03, 2018 | Apr. 30, 2019 | Mar. 31, 2019
Business Acquisition [Line Items] |  |  |
Business acquisition, cash paid | $ 248,656 |  |
Consideration for transaction | 252,858 |  |
Deferred purchase consideration | 3,469 |  |
Working capital adjustment | $ 733 |  |
Deferred purchase consideration payable term | 24 months |  |
Amortization expense of intangible assets |  |  | $ 2,300
Intangible assets, weighted average useful life |  |  | 9 years
Subsequent Event [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business acquisition, cash paid |  | $ 248,700 |
Deferred purchase consideration |  | 3,500 |
Working capital adjustment |  | $ 700 |

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