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v3.20.4

Other Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2020
Other Liabilities Disclosure [Abstract] |
Schedule of Accrued Liabilities |
| December 31,
| 2020 |  | 2019
Royalties | $ | 72,401 |  |  | $ | 74,061 |
Accrued Interest | 26,549 |  |  | 30,862 |
Short-Term Incentive Compensation | 20,340 |  |  | 21,030 |
Transportation Charges | 15,969 |  |  | 16,533 |
Deferred Revenue | 10,986 |  |  | 13,964 |
Accrued Other Taxes | 10,580 |  |  | 9,115 |
Accrued Payroll & Benefits | 5,009 |  |  | 6,248 |
Other | 26,697 |  |  | 37,610 |
Current Portion of Long-Term Liabilities: |  |  |
Asset Retirement Obligations | 8,455 |  |  | 5,076 |
Salary Retirement | 1,787 |  |  | 1,587 |
Total Other Accrued Liabilities | $ | 198,773 |  |  | $ | 216,086 |

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