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Current and Long-Term Financing (Tables) | 12 Months Ended
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Dec. 31, 2019
Debt Disclosure [Abstract] |
Schedule of Debt | The following table summarizes the Company's available and outstanding borrowings:
| December 31
| 2019 |  | 2018
Total outstanding borrowings of NACoal: |  |  |
Revolving credit agreement | $ | 16,000 |  |  | $ | 4,000 |
Other debt | 8,943 |  |  | 7,021 |
Total debt outstanding | $ | 24,943 |  |  | $ | 11,021 |
Current portion of borrowings outstanding | $ | 7,795 |  |  | $ | 4,654 |
Long-term portion of borrowings outstanding | 17,148 |  |  | 6,367 |
| $ | 24,943 |  |  | $ | 11,021 |
Total available borrowings, net of limitations, under revolving credit agreement | $ | 148,644 |  |  | $ | 148,481 |
Unused revolving credit agreement | $ | 132,644 |  |  | $ | 144,481 |
Weighted average stated interest rate on total borrowings | 5.1 | % |  | 4.8 | %
Schedule of Maturities of Total Debt, Excluding Capital Leases | Annual maturities of total debt, excluding leases, are as follows:
2020 | 7,237 |
2021 | 250 |
2022 | 9,263 |
2023 | 277 |
2024 | 292 |
Thereafter | 6,981 |
| $ | 24,300 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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