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Supplemental Cash Flow Information (Tables) | 9 Months Ended
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Sep. 30, 2019
Supplemental Cash Flow Elements [Abstract] |
Additional Information Relating to Cash Flow Activities | The following provides additional information relating to cash flow activities:
|  | Nine Months Ended |
|  | September 30, |
|  | 2019 |  |  | 2018 |
|  | (In Thousands) |
Cash refunds for: |  |  |  |  |  |  |  |
Income taxes, net |  | $ | (66 | ) |  | $ | (1,141 | )
Noncash continuing investing and financing activities: |  |  |  |  |  |  |  |
Dividends accrued on Series E Redeemable Preferred |  | $ | 22,609 |  |  | $ | 19,748 |
Supplies, accounts payable and accrued liabilities associated with additions of property, plant and equipment |  | $ | 21,251 |  |  | $ | 14,609 |
Accretion of Series E Redeemable Preferred |  | $ | 1,493 |  |  | $ | 2,882 |

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