v3.26.1
Pay vs Performance Disclosure
 12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Pay vs Performance Disclosure      
Pay vs Performance Disclosure, Table
Summary Compensation Table for PEOCompensation Actually Paid to PEOAverage Summary Compensation Table for non-PEO NEOsAverage Compensation Actually Paid to Non-PEO NEOsValue of Initial Fixed $100 Investment Based On Core Molding Technologies, Inc.Net Income
2025$1,571,116 $2,080,391 $744,188 $926,318 $121.22 $11,195,000 
2024$1,966,118 $1,867,752 $1,022,284 $955,917 $89.26 $13,299,000 
2023$2,287,563 $3,403,077 $1,183,470 $1,551,475 $142.65 $20,324,000 
    
PEO Total Compensation Amount $ 1,571,116 $ 1,966,118 $ 2,287,563
PEO Actually Paid Compensation Amount $ 2,080,391 1,867,752 3,403,077
Adjustment To PEO Compensation, Footnote
Reconciliation of Summary Compensation Table and Compensation Actually Paid

202520242023
PEONon-PEO NEOsPEONon-PEO NEOsPEONon-PEO NEOs
Total Compensation from Summary Compensation Table$1,571,116 $744,188 $1,966,118 $1,022,284 $2,287,563 $1,183,470 
Adjustments for Equity Awards
Adjustment for grant date values in Summary Compensation Table(761,000)(247,350)(735,000)(340,800)(668,000)(328,850)
Year-end fair value of unvested awards granted in the current year1,191,125 387,105 633,829 293,891 774,850 381,468 
Year-over-year difference of year-end fair values for unvested awards granted in prior years161,830 85,472 (100,856)(46,491)444,890 133,389 
Difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years(1)
(82,680)(43,097)103,661 27,033 563,774 181,998 
Compensation Actually Paid$2,080,391 $926,318 $1,867,752 $955,917 $3,403,077 $1,551,475 

(1) Change in Market is for any period the award was unvested. Once award vests, the award is excluded from the calculation.
    
Non-PEO NEO Average Total Compensation Amount $ 744,188 1,022,284 1,183,470
Non-PEO NEO Average Compensation Actually Paid Amount $ 926,318 955,917 1,551,475
Adjustment to Non-PEO NEO Compensation Footnote
Reconciliation of Summary Compensation Table and Compensation Actually Paid

202520242023
PEONon-PEO NEOsPEONon-PEO NEOsPEONon-PEO NEOs
Total Compensation from Summary Compensation Table$1,571,116 $744,188 $1,966,118 $1,022,284 $2,287,563 $1,183,470 
Adjustments for Equity Awards
Adjustment for grant date values in Summary Compensation Table(761,000)(247,350)(735,000)(340,800)(668,000)(328,850)
Year-end fair value of unvested awards granted in the current year1,191,125 387,105 633,829 293,891 774,850 381,468 
Year-over-year difference of year-end fair values for unvested awards granted in prior years161,830 85,472 (100,856)(46,491)444,890 133,389 
Difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years(1)
(82,680)(43,097)103,661 27,033 563,774 181,998 
Compensation Actually Paid$2,080,391 $926,318 $1,867,752 $955,917 $3,403,077 $1,551,475 

(1) Change in Market is for any period the award was unvested. Once award vests, the award is excluded from the calculation.
    
Compensation Actually Paid vs. Total Shareholder Return
In 2025 the PEO and non-PEO NEOs compensation actually paid ("CAP") reflects the Company's lower operational performance and total stockholder return.
    
Compensation Actually Paid vs. Net Income
In 2025 the PEO and non-PEO NEOs compensation actually paid ("CAP") reflects the Company's lower operational performance and total stockholder return.
    
Total Shareholder Return Amount $ 121.22 89.26 142.65
Net Income (Loss) $ 11,195,000 13,299,000 20,324,000
Additional 402(v) Disclosure
The Company targets 67% and 59% of the PEO and non-PEO NEOs compensation, respectively, to be performance based. The Company's STIP and LTIP compensation is structured to be impacted by financial performance and cash flows which impact stockholder return. For a description of the Compensation Committee's processes, policies, and considerations when setting compensation and evaluating performance, please see the "Compensation Discussion and Analysis" beginning on page 17 of this Proxy Statement.
    
PEO      
Pay vs Performance Disclosure      
Percentage Of Share-Based Awards With Performance Measures 0.67    
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount $ (761,000) (735,000) (668,000)
PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 1,191,125 633,829 774,850
PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 161,830 (100,856) 444,890
PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount $ (82,680) 103,661 563,774
Non-PEO NEO      
Pay vs Performance Disclosure      
Percentage Of Share-Based Awards With Performance Measures 0.59    
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount $ (247,350) (340,800) (328,850)
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 387,105 293,891 381,468
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 85,472 (46,491) 133,389
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount $ (43,097) $ 27,033 $ 181,998