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v2.4.1.9

Summary of Significant Accounting Policies (Depreciation of Property, Plant and Equipment) (Details) | 12 Months Ended
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Dec. 31, 2014
Machinery and Equipment [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Straight-line depreciation rate | 15.00%silc_StraightLineDepreciationRate / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_MachineryAndEquipmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Machinery and Equipment [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Straight-line depreciation rate | 33.00%silc_StraightLineDepreciationRate / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_MachineryAndEquipmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Office Furniture and Equipment [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Straight-line depreciation rate | 6.00%silc_StraightLineDepreciationRate / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OfficeEquipmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Office Furniture and Equipment [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Straight-line depreciation rate | 33.00%silc_StraightLineDepreciationRate / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OfficeEquipmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Leasehold Improvements [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Straight-line depreciation rate | 10.00%silc_StraightLineDepreciationRate / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LeaseholdImprovementsMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Leasehold Improvements [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Straight-line depreciation rate | 20.00%silc_StraightLineDepreciationRate / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LeaseholdImprovementsMember / us-gaap_RangeAxis = us-gaap_MaximumMember

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- Definition Straight-Line Depreciation Rate + References No definition available. + Details
Name: | silc_StraightLineDepreciationRate
Namespace Prefix: | silc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OfficeEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |