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v3.23.1

Pay vs Performance Disclosure - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Pay vs Performance Disclosure [Table] |  |
Pay vs Performance [Table Text Block] |
| Summary Compensation Table for PEO | Compensation Actually Paid to PEO | Average Summary Compensation Table for non-PEO NEOs | Average Compensation Actually Paid to Non-PEO NEOs | Value of Initial Fixed $100 Investment Based On Core Molding Technologies, Inc. | Net Income
2022 | $ | 1,963,530 |  | $ | 2,665,682 |  | $ | 986,817 |  | $ | 1,193,100 |  | $ | 153.18 |  | $ | 12,203,000 |
2021 | $ | 2,552,591 |  | $ | 1,219,459 |  | $ | 814,045 |  | $ | 480,470 |  | $ | 60.23 |  | $ | 4,671,000 |
PEO Total Compensation Amount | $ 1,963,530 | $ 2,552,591
PEO Actually Paid Compensation Amount | $ 2,665,682 | 1,219,459
Adjustment To PEO Compensation, Footnote [Text Block] | Reconciliation of Summary Compensation Table and Compensation Actually Paid
| 2022 |  | 2021
| PEO | Non-PEO NEOs |  | PEO | Non-PEO NEOs
Total Compensation from Summary Compensation Table | $ | 1,963,530 |  | $ | 986,817 |  |  | $ | 2,552,591 |  | $ | 814,045 |
Adjustments for Equity Awards |  |  |  |  |
Adjustment for grant date values in Summary Compensation Table | (668,000) |  | (279,297) |  |  | (1,544,501) |  | (254,393) |
Year-end fair value of unvested awards granted in the current year | 834,360 |  | 348,853 |  |  | 956,949 |  | 157,618 |
Year-over-year difference of year-end fair values for unvested awards granted in prior years | 434,352 |  | 109,057 |  |  | (377,665) |  | (193,596) |
Difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years | 101,440 |  | 27,670 |  |  | (367,915) |  | (43,204) |
Compensation Actually Paid | $2,665,682 | $1,193,100 |  | $1,219,459 | $480,470
(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 | $ 986,817 | 814,045
Non-PEO NEO Average Compensation Actually Paid Amount | $ 1,193,100 | 480,470
Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | Reconciliation of Summary Compensation Table and Compensation Actually Paid
| 2022 |  | 2021
| PEO | Non-PEO NEOs |  | PEO | Non-PEO NEOs
Total Compensation from Summary Compensation Table | $ | 1,963,530 |  | $ | 986,817 |  |  | $ | 2,552,591 |  | $ | 814,045 |
Adjustments for Equity Awards |  |  |  |  |
Adjustment for grant date values in Summary Compensation Table | (668,000) |  | (279,297) |  |  | (1,544,501) |  | (254,393) |
Year-end fair value of unvested awards granted in the current year | 834,360 |  | 348,853 |  |  | 956,949 |  | 157,618 |
Year-over-year difference of year-end fair values for unvested awards granted in prior years | 434,352 |  | 109,057 |  |  | (377,665) |  | (193,596) |
Difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years | 101,440 |  | 27,670 |  |  | (367,915) |  | (43,204) |
Compensation Actually Paid | $2,665,682 | $1,193,100 |  | $1,219,459 | $480,470
(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 [Text Block] | In 2022 the PEO and non-PEO NEOs compensation actually paid ("CAP") reflects the Company's improved operational performance and total stockholder return compared to 2021. |
Compensation Actually Paid vs. Net Income [Text Block] | In 2022 the PEO and non-PEO NEOs compensation actually paid ("CAP") reflects the Company's improved operational performance and total stockholder return compared to 2021. |
Total Shareholder Return Amount | $ 153.18 | 60.23
Net Income (Loss) | $ 12,203,000 | $ 4,671,000
PEO Name | David L. Duvall | David L. Duvall
Additional 402(v) Disclosure [Text Block] | The Company targets 65% and 60% 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 18 of this Proxy Statement. |
PEO [Member] | Equity Awards, Current Year Restricted Stock Grants [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | $ (668,000) | $ (1,544,501)
PEO [Member] | Equity Awards Granted During the Year, Unvested [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 834,360 | 956,949
PEO [Member] | Equity Awards, Change in Market Value, Unvested, Restricted Stock [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 434,352 | (377,665)
PEO [Member] | Equity Awards, Change in Market Value, Unvested, SARS [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 101,440 | (367,915)
Non-PEO NEO [Member] | Equity Awards, Current Year Restricted Stock Grants [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | (279,297) | (254,393)
Non-PEO NEO [Member] | Equity Awards Granted During the Year, Unvested [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 348,853 | 157,618
Non-PEO NEO [Member] | Equity Awards, Change in Market Value, Unvested, Restricted Stock [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 109,057 | (193,596)
Non-PEO NEO [Member] | Equity Awards, Change in Market Value, Unvested, SARS [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | $ 27,670 | $ (43,204)

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