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Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2021
Supplemental Cash Flow Elements [Abstract] |
Additional Information Relating to Cash Flow Activities | The following provides additional information relating to cash flow activities:
|  | 2021 |  |  | 2020 |  |  | 2019 |
|  | (In Thousands) |
Cash payments (refunds) for: |  |  |  |  |  |  |  |  |  |  |  |
Interest on long-term debt and other, net of capitalized interest |  | $ | 43,583 |  |  | $ | 45,730 |  |  | $ | 42,184 |
Income taxes, net |  | $ | (182 | ) |  | $ | (312 | ) |  | $ | (65 | )
Noncash investing and financing activities: |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, supplies, other assets, accounts payable and accrued liabilities associated with additions of property, plant and equipment |  | $ | 17,649 |  |  | $ | 16,286 |  |  | $ | 18,350 |
Extinguishment of PPP loan |  | $ | 10,000 |  |  | $ | — |  |  | $ | — |
Series E and Series F Redeemable Preferred and related dividends, accretion, and embedded derivative exchanged for common stock, net of related costs in accounts payable |  | $ | 306,690 |  |  | $ | 37,208 |  |  | $ | 32,724 |
Series B and Series D preferred converted into common stock |  | $ | 3,000 |  |  | $ | — |  |  | $ | — |

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