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Commitments and Contingencies (Narratives) (Details) R$ in Thousands, ¥ in Millions | Dec. 18, 2019 USD ($) | Dec. 18, 2019 BRL (R$) | Jun. 20, 2019 USD ($) | Jun. 20, 2019 CNY (¥) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 BRL (R$) | Dec. 18, 2019 BRL (R$) | Dec. 01, 2019 USD ($) | Dec. 01, 2019 BRL (R$)
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Shenzhen Dunjun Technology Ltd. v. Aerohive Networks (Hangzhou) Ltd |  |  |  |  |  |  |  |  |
Purchase Commitment Excluding Longterm Commitment [Line Items] |  |  |  |  |  |  |  |  |
Damages claims amount |  |  | $ 1,400,000 | ¥ 10.0 |  |  |  |  |
Foreign | Secretariat of the Federal Revenue Bureau of Brazil |  |  |  |  |  |  |  |  |
Purchase Commitment Excluding Longterm Commitment [Line Items] |  |  |  |  |  |  |  |  |
Value of tax credits disallowed |  |  |  |  | $ 800,000 | R$ 3,400 |  |  |
Penalties, court costs, attorneys' fees, and accrued interest |  |  |  |  |  |  |  | $ 5,000,000.0 | R$ 20,200
Tax liability related to the ICMS Tax Assessments, accrued |  |  |  |  | 2,300,000 | R$ 9,400 |  |  |
ICMS Tax Assessment settlement amount paid | $ 2,200,000 | R$ 8,692 |  |  |  |  |  |  |
Accrued for payment of the government’s legal fees | $ 157,000 |  |  |  |  |  | R$ 632 |  |
Non-cancelable Inventory and Other Services Purchase Commitments |  |  |  |  |  |  |  |  |
Purchase Commitment Excluding Longterm Commitment [Line Items] |  |  |  |  |  |  |  |  |
Purchase commitments |  |  |  |  | $ 47,700,000 |  |  |  |

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