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Acquisitions (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jun. 29, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Business Acquisition [Line Items] |  |  |  |
Payments to acquire business |  | $ 0 | $ 8,393 | $ 0
Xennia Technology Ltd. [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Payments to acquire business | $ 8,393 |  |  |
Purchase price excess on carrying value of the net assets allocated to intangible assets and goodwill | 6,200 |  |  |
Acquisition related costs |  |  | $ 800 |
Xennia Technology Ltd. [Member] | Intangible Assets [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase price excess on carrying value of the net assets allocated to intangible assets and goodwill | 1,100 |  |  |
Xennia Technology Ltd. [Member] | Trade Names [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase price excess on carrying value of the net assets allocated to intangible assets and goodwill | 600 |  |  |
Xennia Technology Ltd. [Member] | Goodwill [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase price excess on carrying value of the net assets allocated to intangible assets and goodwill | $ 4,500 |  |  |

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- Definition The amount of intangible assets and goodwill recognized as of the acquisition date. + References No definition available. + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e1043-128460 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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