XML 38 R28.htm IDEA: XBRL DOCUMENT
v3.25.2

Organization and Description of Business - Additional Information (Details) | 6 Months Ended
--- | ---
Jun. 30, 2025 Supplier
Product Information [Line Items] |
Entity month and year of incorporation | 2013-05
Maximum |
Product Information [Line Items] |
Number of active global suppliers | 4,375
North America [Member] |
Product Information [Line Items] |
Number of supplier | 500,000

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

X
- Definition Entity incorporation month and year of incorporation. + References No definition available. + Details
Name: | xmtr_EntityIncorporationMonthAndYearOfIncorporation
Namespace Prefix: | xmtr_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of active global suppliers. + References No definition available. + Details
Name: | xmtr_NumberOfActiveGlobalSuppliers
Namespace Prefix: | xmtr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of supplier. + References No definition available. + Details
Name: | xmtr_NumberOfSupplier
Namespace Prefix: | xmtr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | srt_StatementGeographicalAxis=srt_NorthAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |