Post Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2017

Compensation and Retirement Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

The components of expense for Core Molding Technologies’ post-retirement benefit plans for the three and nine months ended September 30, 2017 and 2016 are as follows:



	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Pension expense:
Multi-employer plan	$	153,000		$	168,000		$	479,000		$	538,000
Defined contribution plan	162,000			165,000			557,000			578,000
Total pension expense	315,000			333,000			1,036,000			1,116,000

Health and life insurance:
Interest cost	75,000			81,000			224,000			243,000
Amortization of prior service costs	(124,000		)	(124,000		)	(372,000		)	(372,000		)
Amortization of net loss	37,000			38,000			112,000			116,000
Net periodic benefit cost	(12,000		)	(5,000		)	(36,000		)	(13,000		)

Total post retirement benefits expense	$	303,000		$	328,000		$	1,000,000		$	1,103,000