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v3.23.1

Subsequent Events (Narrative) (Details) - Global Share Incentive Plan (2013) [Member] - Subsequent Event [Member] | 1 Months Ended
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Mar. 31, 2023 shares
Options [Member] |
Subsequent Event [Line Items] |
Options and RSU approved for grant during period not yet issued | 137,911
RSUs [Member] |
Subsequent Event [Line Items] |
Options and RSU approved for grant during period not yet issued | 86,000

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- Definition Share-based awards approved for grant during period not yet issued. + References No definition available. + Details
Name: | silc_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsGrantsInPeriodApprovedNotYetIssued
Namespace Prefix: | silc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_PlanNameAxis=silc_GlobalShareIncentivePlan2013Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |