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Post Retirement Benefits | 9 Months Ended
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Sep. 30, 2018
Retirement Benefits [Abstract] |
Post Retirement Benefits | The components of expense for Core Molding Technologies’ post-retirement benefit plans for the three and nine months ended September 30, 2018 and 2017 are as follows:
| Three Months Ended |  | Nine Months Ended
| September 30, |  | September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Pension expense: |  |  |  |  |  |  |
Multi-employer plan | $ | 186,000 |  |  | $ | 153,000 |  |  | $ | 549,000 |  |  | $ | 479,000 |
Defined contribution plan | 182,000 |  |  | 162,000 |  |  | 698,000 |  |  | 557,000 |
Total pension expense | 368,000 |  |  | 315,000 |  |  | 1,247,000 |  |  | 1,036,000 |
Health and life insurance: |  |  |  |  |  |  |
Interest cost | 69,000 |  |  | 75,000 |  |  | 207,000 |  |  | 224,000 |
Amortization of prior service costs | (124,000 | ) |  | (124,000 | ) |  | (372,000 | ) |  | (372,000 | )
Amortization of net loss | 43,000 |  |  | 37,000 |  |  | 129,000 |  |  | 112,000 |
Net periodic benefit cost | (12,000 | ) |  | (12,000 | ) |  | (36,000 | ) |  | (36,000 | )
Total post retirement benefits expense | $ | 356,000 |  |  | $ | 303,000 |  |  | $ | 1,211,000 |  |  | $ | 1,000,000 |
The Company made payments of $1,392,000 to pension plans and $238,000 for post-retirement healthcare and life insurance during the nine months ended September 30, 2018. For the remainder of 2018, the Company expects to make approximately $300,000 of pension plan payments, of which $92,000 was accrued at September 30, 2018. The Company also expects to make approximately $858,000 of post-retirement healthcare and life insurance payments for the remainder of 2018, all of which were accrued at September 30, 2018.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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