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Equity Method Investment (Tables) | 9 Months Ended
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Sep. 30, 2022
Equity Method Investments and Joint Ventures [Abstract] |
Marketable Securities | Summarized financial information for NMRD is as follows:
| Results of Operations
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
| (In thousands)
Operating revenues | $ | 3,407 |  |  | $ | 3,543 |  |  | $ | 10,224 |  |  | $ | 10,179 |
Operating expenses | 2,381 |  |  | 2,422 |  |  | 7,172 |  |  | 7,360 |
Net earnings | $ | 1,026 |  |  | $ | 1,121 |  |  | $ | 3,052 |  |  | $ | 2,819 |
| Financial Position
| September 30, |  | December 31,
| 2022 |  | 2021
| (In thousands)
Current assets | $ | 6,750 |  |  | $ | 10,729 |
Net property, plant, and equipment | 166,229 |  |  | 166,495 |
Non-current assets | 9,749 |  |  | 2,289 |
Total assets | 182,728 |  |  | 179,513 |
Current liabilities | 1,017 |  |  | 824 |
Non-current liabilities | 363 |  |  | 373 |
Owners’ equity | $ | 181,348 |  |  | $ | 178,316 |

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
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