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v3.20.4

Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract] |
Additional Information Relating to Cash Flow Activities | The following provides additional information relating to cash flow activities:
|  | 2020 |  |  | 2019 |  |  | 2018 |
|  | (In Thousands) |
Cash payments (refunds) for: |  |  |  |  |  |  |  |  |  |  |  |
Interest on long-term debt and other, net of capitalized interest |  | $ | 45,730 |  |  | $ | 42,184 |  |  | $ | 35,719 |
Income taxes, net |  | $ | (312 | ) |  | $ | (65 | ) |  | $ | (1,138 | )
Noncash investing and financing activities: |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, supplies and accounts payable associated with additions of PP&E |  | $ | 16,286 |  |  | $ | 18,350 |  |  | $ | 16,484 |
Dividend accrued on Series E Redeemable Preferred |  | $ | 35,182 |  |  | $ | 30,729 |  |  | $ | 26,840 |
Accretion of Series E Redeemable Preferred |  | $ | 2,026 |  |  | $ | 1,995 |  |  | $ | 3,375 |

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