v3.25.3

Cover Page	Nov. 04, 2025	May 09, 2023
Cover [Abstract]
Document Type	8-K
Document Period End Date	Nov. 04, 2025
Entity Registrant Name	Core Molding Technologies, Inc.
Entity Incorporation, State or Country Code	DE
Entity File Number	001-12505
Entity Tax Identification Number	31-1481870
Entity Address, Address Line One	800 Manor Park Drive
Entity Address, City or Town	Columbus
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	43228-0183
City Area Code	614
Local Phone Number	870-5000
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Title of 12(b) Security		Common Stock, par value $0.01
Trading Symbol		CMT
Security Exchange Name		NYSEAMER
Entity Emerging Growth Company	false
Document Information [Line Items]
Document Period End Date	Nov. 04, 2025
Entity Registrant Name	Core Molding Technologies, Inc.
Entity Central Index Key	0001026655
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Cover page.

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For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Local phone number for entity.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.

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Trading symbol of an instrument as listed on an exchange.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

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CORE MOLDING TECHNOLOGIES INC 8-K