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Acquisitions (Narrative) (Details) - USD ($) $ in Thousands |  | 1 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 10, 2014 | Apr. 18, 2016 | Oct. 28, 2015 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2016
Business Acquisition [Line Items] |  |  |  |  |  |
Purchase price allocated to goodwill |  |  |  | $ 25,561 | $ 25,561 |
Silicom Denmark [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Aggregate purchase price in cash | $ 10,161 |  |  |  |  |
Contingent consideration | $ 4,683 |  |  |  |  |
Total obligation the company paid |  |  |  |  |  | $ 1,463
Percentage of contingent consideration paid in cash |  |  |  |  |  | 90.00%
Percentage of contingent consideration paid in options to ordinary shares |  |  |  |  |  | 10.00%
Aggregate options granted |  | 22,795 |  |  |  |
ADI Engineering, Inc. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Aggregate purchase price in cash |  |  | $ 10,000 |  |  |
Contingent consideration |  |  | 7,802 |  |  |
Total purchase price |  |  | 17,802 |  |  |
Purchase price allocated to tangible assets |  |  | 222 |  |  |
Purchase price allocated to intangibles assets |  |  | 4,261 |  |  |
Purchase price allocated to goodwill |  |  | $ 13,319 |  |  |
Term of options |  |  | three yearly payments |  |  |
Period of recognized goodwill deducted for income tax purposes |  |  | 10 years |  |  |

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- Definition Represents the period of recognized goodwill deducted for income tax purposes, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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