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Equity Method Investment (Tables) | 6 Months Ended
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Jun. 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 June 30, |  | Six Months Ended June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
| (In thousands)
Operating revenues | $ | 4,021 |  |  | $ | 3,885 |  |  | $ | 6,817 |  |  | $ | 6,635 |
Operating expenses | 2,387 |  |  | 2,416 |  |  | 4,791 |  |  | 4,938 |
Net earnings | $ | 1,634 |  |  | $ | 1,469 |  |  | $ | 2,026 |  |  | $ | 1,697 |
| Financial Position
| June 30, |  | December 31,
| 2022 |  | 2021
| (In thousands)
Current assets | $ | 9,065 |  |  | $ | 10,729 |
Net property, plant, and equipment | 163,006 |  |  | 166,495 |
Non-current assets | 9,676 |  |  | 2,289 |
Total assets | 181,747 |  |  | 179,513 |
Current liabilities | 1,045 |  |  | 824 |
Non-current liabilities | 380 |  |  | 373 |
Owners’ equity | $ | 180,322 |  |  | $ | 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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