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Fair Value of Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2015
Fair Value Disclosures [Abstract] |
Components of derivative instruments | Core Molding Technologies' derivative instruments included on the Consolidated Balance Sheets were as follows:
| Balance Sheet Location |  | December 31, 2015 Fair Value |  | December 31, 2014 Fair Value
Derivatives not designated as hedging instruments Interest rate risk activities | Interest rate swaps |  | $ | 2,000 |  |  | $ | 37,000 |
Effect of derivative instruments on income | The effect of derivative instruments on the Consolidated Statements of Income was as follows:
Derivatives Not Designated as Hedging Instruments |  | Location of Gain (Loss) Recognized in Income on Derivative |  | Amount of Realized/Unrealized Gain (Loss) Recognized in Income on Derivatives
Year ended |  |  |  | December 31, 2015 |  | December 31, 2014 |  | December 31, 2013
Interest rate swaps |  | Interest expense |  | $ | 14,000 |  |  | $ | 46,000 |  |  | $ | 73,000 |

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959 + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959 + Details
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