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Schedule II (Notes) | 12 Months Ended
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Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
Schedule II | Core Molding Technologies, Inc. and Subsidiaries Schedule II Consolidated valuation and qualifying accounts and reserves for the years ended December 31, 2017, 2016 and 2015. Reserves deducted from asset to which it applies: Allowance for Doubtful Accounts
|  |  |  | Additions |  |  |  |
|  | Balance at Beginning of Year |  | (Recovered)/Charged to Costs & Expenses |  | Charged to Other Accounts |  | Deductions (A) |  | Balance at End of Year
Year Ended December 31, 2017 |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Year Ended December 31, 2016 |  | $ | 32,000 |  |  | $ | (23,000 | ) |  | $ | — |  |  | $ | 9,000 |  |  | $ | — |
Year Ended December 31, 2015 |  | $ | 289,000 |  |  | $ | (167,000 | ) |  | $ | — |  |  | $ | 90,000 |  |  | $ | 32,000 |
Customer Chargeback Allowance
|  |  |  | Additions |  |  |  |
|  | Balance at Beginning of Year |  | (Recovered)/Charged to Costs & Expenses |  | Charged to Other Accounts |  | Deductions (B) |  | Balance at End of Year
Year Ended December 31, 2017 |  | $ | 309,000 |  |  | $ | 981,000 |  |  | $ | — |  |  | $ | 433,000 |  |  | $ | 857,000 |
Year Ended December 31, 2016 |  | $ | 523,000 |  |  | $ | 444,000 |  |  | $ | — |  |  | $ | 658,000 |  |  | $ | 309,000 |
Year Ended December 31, 2015 |  | $ | 813,000 |  |  | $ | 473,000 |  |  | $ | — |  |  | $ | 763,000 |  |  | $ | 523,000 |
(A) Amount represents uncollectible accounts written off. (B) Amount represents customer returns and deductions, discounts and price adjustments accepted.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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- References No definition available. + Details
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