Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statements of Income [Abstract]
OPERATING REVENUES:	$ 19,199	$ 18,750	$ 37,655	$ 36,378
OPERATING EXPENSES:
Operation and maintenance	4,823	4,862	10,034	9,674
Administrative and general	3,338	3,157	6,261	6,231
Depreciation and amortization	3,506	3,267	7,070	6,350
Taxes other than income taxes	446	402	921	846
Operating expenses	12,113	11,688	24,286	23,101
Operating income	7,086	7,062	13,369	13,277
OTHER INCOME (EXPENSES):
Interest on debt	(2,521)	(2,183)	(4,940)	(4,306)
Allowance for funds used during construction	191	347	376	1,481
Other pension costs	132	436	265	206
Other income (expenses), net	(203)	(148)	(275)	(215)
Other income (expenses)	(2,401)	(1,548)	(4,574)	(2,834)
Income before income taxes	4,685	5,514	8,795	10,443
Income tax expense (benefit)	(367)	521	105	1,123
Net Income	$ 5,052	$ 4,993	$ 8,690	$ 9,320
Basic Earnings Per Share (in dollars per share)	$ 0.35	$ 0.35	$ 0.6	$ 0.65
Diluted Earnings Per Share (in dollars per share)	$ 0.35	$ 0.35	$ 0.6	$ 0.65

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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- 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.