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Post Retirement Benefits | 6 Months Ended
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Jun. 30, 2018
Retirement Benefits [Abstract] |
Post Retirement Benefits | The components of expense for Core Molding Technologies’ post-retirement benefit plans for the three and six months ended June 30, 2018 and 2017 are as follows:
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Pension expense: |  |  |  |  |  |  |
Multi-employer plan | $ | 185,000 |  |  | $ | 169,000 |  |  | $ | 363,000 |  |  | $ | 326,000 |
Defined contribution plan | 286,000 |  |  | 188,000 |  |  | 545,000 |  |  | 395,000 |
Total pension expense | 471,000 |  |  | 357,000 |  |  | 908,000 |  |  | 721,000 |
Health and life insurance: |  |  |  |  |  |  |
Interest cost | 69,000 |  |  | 74,000 |  |  | 138,000 |  |  | 149,000 |
Amortization of prior service costs | (124,000 | ) |  | (124,000 | ) |  | (248,000 | ) |  | (248,000 | )
Amortization of net loss | 43,000 |  |  | 38,000 |  |  | 86,000 |  |  | 75,000 |
Net periodic benefit cost | (12,000 | ) |  | (12,000 | ) |  | (24,000 | ) |  | (24,000 | )
Total post retirement benefits expense | $ | 459,000 |  |  | $ | 345,000 |  |  | $ | 884,000 |  |  | $ | 697,000 |
The Company made payments of $618,000 to pension plans and $181,000 for post-retirement healthcare and life insurance during the six months ended June 30, 2018. For the remainder of 2018, the Company expects to make approximately $1,193,000 of pension plan payments, of which $601,000 was accrued at June 30, 2018. The Company also expects to make approximately $915,000 of post-retirement healthcare and life insurance payments for the remainder of 2018, all of which were accrued at June 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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