XML 100 R82.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Revenue by Product Category (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Segment Reporting Information [Line Items] |  |  |
Net sales | $ 289,323 us-gaap_SalesRevenueNet | $ 225,308 us-gaap_SalesRevenueNet | $ 281,370 us-gaap_SalesRevenueNet
Mobile Storage |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 241,614 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = simo_ProductOneMember | 185,488 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = simo_ProductOneMember | 202,093 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = simo_ProductOneMember
Mobile Communications |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 40,034 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = simo_ProductTwoMember | 31,022 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = simo_ProductTwoMember | 67,564 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = simo_ProductTwoMember
Other products |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | $ 7,675 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = simo_OtherProductsMember | $ 8,798 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = simo_OtherProductsMember | $ 11,713 us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = simo_OtherProductsMember

X
- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_SalesRevenueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_ProductOrServiceAxis=simo_OtherProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=simo_ProductOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=simo_ProductTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |