XML 59 R46.htm IDEA: XBRL DOCUMENT
v3.21.2

Segment, Geographic and Customer Information - Additional Information (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 Distributor Customer | Jun. 30, 2020 Distributor Customer | Jun. 30, 2021 Segment Distributor Customer | Jun. 30, 2020 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |  |  |
Number of reportable segments | Segment |  |  | 1 |  |
Percentage of long lived assets |  | 96.00% |  | 96.00% | 97.00%
Revenue Benchmark | Distributor Concentration Risk |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Number of distributors accounted for 10% or more of revenues | Distributor | 0 | 0 | 0 |  |
Revenue Benchmark | Customer Concentration Risk |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Sales revenue percentage | 15.00% | 26.00% | 25.00% | 30.00% |
Number of customers accounted for 10% or more of revenues | Customer | 0 | 0 | 0 |  |
Revenue Benchmark | Distributor One | Distributor Concentration Risk |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Sales revenue percentage | 16.00% | 21.00% | 24.00% | 23.00% |
Revenue Benchmark | Distributor Two | Distributor Concentration Risk |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Sales revenue percentage | 16.00% | 15.00% | 15.00% | 18.00% |
Revenue Benchmark | Distributor Three | Distributor Concentration Risk |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Sales revenue percentage | 13.00% | 14.00% | 14.00% | 14.00% |

X
- Definition Number of customers accounted for 10% or more of revenues. + References No definition available. + Details
Name: | sitm_NumberOfCustomersAccountedForTenPercentageOrMoreOfRevenues
Namespace Prefix: | sitm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of distributors accounted for 10% or more of revenues. + References No definition available. + Details
Name: | sitm_NumberOfDistributorsAccountedForTenPercentageOrMoreOfRevenues
Namespace Prefix: | sitm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of long lived assets. + References No definition available. + Details
Name: | sitm_PercentageOfLongLivedAssets
Namespace Prefix: | sitm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13531-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13537-108611 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599 + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=sitm_DistributorConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=sitm_DistributorOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=sitm_DistributorTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=sitm_DistributorThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |