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Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2018
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures |
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
Non-cash investing and financing activities: |  |  |  |  |
Purchase of property, plant, and equipment in accounts payable | $ | 2,389 |  |  | $ | 4,522 |  |  | $ | 4,364 |
Additional cash payment information: |  |  |  |  |
Interest paid | 1,578 |  |  | 1,489 |  |  | 1,467 |
Income taxes paid | 8,818 |  |  | 13,526 |  |  | 16,409 |

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