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Significant Accounting Policies - Property Plant Equipment (Details) | 12 Months Ended
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Dec. 31, 2022
Minimum | Land improvements |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 10 years
Minimum | Buildings |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 20 years
Minimum | Machinery and equipment |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 3 years
Minimum | Furniture and fixtures |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 4 years
Minimum | Automobiles and trucks |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 3 years
Minimum | Research equipment |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 3 years
Minimum | Computer hardware |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 3 years
Minimum | Computer software |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 3 years
Maximum | Land improvements |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 20 years
Maximum | Buildings |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 40 years
Maximum | Machinery and equipment |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 15 years
Maximum | Furniture and fixtures |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 10 years
Maximum | Automobiles and trucks |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 8 years
Maximum | Research equipment |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 10 years
Maximum | Computer hardware |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 10 years
Maximum | Computer software |
Property, Plant and Equipment [Line Items] |
Useful life of class of asset | 10 years

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- 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_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
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: |

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

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

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

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

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

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |