Statements of Income (Unaudited) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Statements of Income [Abstract] | ||||
| OPERATING REVENUES: | $ 23,515 | $ 19,199 | $ 43,589 | $ 37,655 |
| OPERATING EXPENSES: | ||||
| Operation and maintenance | 5,953 | 4,823 | 11,946 | 10,034 |
| Administrative and general | 3,617 | 3,338 | 7,160 | 6,261 |
| Depreciation and amortization | 3,654 | 3,506 | 7,313 | 7,070 |
| Taxes other than income taxes | 483 | 446 | 1,009 | 921 |
| Operating expenses | 13,707 | 12,113 | 27,428 | 24,286 |
| Operating income | 9,808 | 7,086 | 16,161 | 13,369 |
| OTHER INCOME (EXPENSES): | ||||
| Interest on debt | (2,282) | (2,521) | (4,997) | (4,940) |
| Allowance for funds used during construction | 333 | 191 | 606 | 376 |
| Other pension costs | 130 | 132 | 260 | 265 |
| Other income (expenses), net | (208) | (203) | (280) | (275) |
| Other income (expenses) | (2,027) | (2,401) | (4,411) | (4,574) |
| Income before income taxes | 7,781 | 4,685 | 11,750 | 8,795 |
| Income tax expense (benefit) | 166 | (367) | (679) | 105 |
| Net Income | $ 7,615 | $ 5,052 | $ 12,429 | $ 8,690 |
| Basic Earnings Per Share (in Dollars per share) | $ 0.49 | $ 0.35 | $ 0.82 | $ 0.6 |
| Diluted Earnings Per Share (in Dollars per share) | $ 0.49 | $ 0.35 | $ 0.82 | $ 0.6 |
| X | ||||||||||
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Total increase in earnings in the period representing the cost of equity (based on assumed rate of return) and/or borrowed funds (based on interest rate) used to finance construction of regulated assets, which is expected to be recovered through rate adjustments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of operating expense of regulated operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of operating expense for depreciation and amortization of regulated operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of operating expense for routine plant maintenance, repairs and operations of regulated operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of operating expense for taxes other than income taxes of regulated operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|