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Commitments and Contingencies - Additional Information (Detail) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Jun. 29, 2012 Patents | Oct. 31, 2011 Patents
Other Commitments [Line Items] |  |  |  |  |
Operating leases, rent expense | $ 9,700,000 | $ 9,000,000 | $ 9,800,000 |  |
Maximum amount of potential future payments under the company's financial guarantees | 1,000,000 |  |  |  |
Non-cancelable purchase commitments | 24,000,000 |  |  |  |
Indemnification [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Accrual for indemnification provisions | 0 |  |  |  |
ISRAEL |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Guarantees which major related to rent | 1,900,000 |  |  |  |
Royalty expenses | 4,100,000 | $ 2,900,000 | $ 3,200,000 |  |
ISRAEL | Guarantee Obligations [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Guarantees which major related to rent | $ 400,000 |  |  |  |
Property Subject to Operating Lease [Member] | Maximum [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Lease Expiration Date | Apr. 28, 2027 |  |  |  |
Property Subject to Operating Lease [Member] | Maximum [Member] | ISRAEL |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Lease Expiration Date | Jan. 01, 2019 |  |  |  |
Avid Technology Inc. [Member] | Media grid [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Infringements of number of patents held | Patents |  |  |  |  | 2
Avid Technology Inc. [Member] | Spectrum [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Infringements of number of patents held | Patents |  |  |  | 1 |
TVN [Member] | Guarantee Obligations [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Guarantees which major related to rent | $ 1,200,000 |  |  |  |

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