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v3.20.4

Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2020
Payables and Accruals [Abstract] |
Schedule of other Current Liabilities | Other current liabilities consisted of the following at December 31:
(in thousands) |  | 2020 |  | 2019
Payroll and incentive compensation |  | $ | 30,145 |  |  | $ | 22,645 |
Union dues and benefits |  | 17,800 |  |  | 18,747 |
Taxes |  | 18,130 |  |  | 6,790 |
Profit sharing and thrift plan |  | 10,763 |  |  | 5,325 |
Net asset adjustments |  | — |  |  | 987 |
Joint venture liability |  | — |  |  | 652 |
Other |  | 9,880 |  |  | 9,218 |
|  | $ | 86,718 |  |  | $ | 64,364 |

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