XML 56 R40.htm IDEA: XBRL DOCUMENT
v3.21.2

Equity Method Investment (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2021
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,
| 2021 |  | 2020 |  | 2021 |  | 2020
| (In thousands)
Operating revenues | $ | 3,885 |  |  | $ | 2,641 |  |  | $ | 6,635 |  |  | $ | 4,308 |
Operating expenses | 2,416 |  |  | 1,472 |  |  | 4,938 |  |  | 3,052 |
Net earnings | $ | 1,469 |  |  | $ | 1,169 |  |  | $ | 1,697 |  |  | $ | 1,256 |
| Financial Position
| June 30, |  | December 31,
| 2021 |  | 2020
| (In thousands)
Current assets | $ | 7,781 |  |  | $ | 8,046 |
Net property, plant, and equipment | 169,132 |  |  | 172,585 |
Non-current assets | 1,503 |  |  | 1,900 |
Total assets | 178,416 |  |  | 182,531 |
Current liabilities | 1,022 |  |  | 841 |
Non-current liabilities | 387 |  |  | 380 |
Owners’ equity | $ | 177,007 |  |  | $ | 181,310 |

X
- References No definition available. + Details
Name: | us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration