Business Segment Data (Tables)

12 Months Ended

Dec. 31, 2023

Business Segment Data [Abstract]

Schedule of Segment Reporting Information, by Segment

Inter-segment transactions relating to operational costs are treated as pass-through expenses. Finance charges on inter-segment loan activities are based on interest rates that are below what would normally be charged by a third party lender.

	(Thousands of Dollars)
	Years Ended December 31,
Operation by Segments	2023			2022			2021
Revenues:
Regulated	$	154,617		$	151,117		$	131,531
Non – Regulated		12,773			12,446			12,818
Inter-segment Elimination		(1,116	)		(1,129	)		(1,208	)
Consolidated Revenues	$	166,274		$	162,434		$	143,141
Operating Income:
Regulated	$	35,820		$	44,257		$	29,577
Non – Regulated		3,403			3,076			3,634
Consolidated Operating Income	$	39,223		$	47,333		$	33,211
Depreciation:
Regulated	$	24,931		$	22,783		$	20,897
Non – Regulated		263			246			212
Consolidated Depreciation	$	25,194		$	23,029		$	21,109
Other Income, Net:
Regulated	$	6,637		$	7,898		$	6,112
Non – Regulated		214			279			279
Inter-segment Elimination		(366	)		(474	)		(433	)
Consolidated Other Income, Net	$	6,485		$	7,703		$	5,958
Interest Expense:
Regulated	$	13,508		$	9,833		$	8,529
Non – Regulated		—			7			17
Inter-segment Elimination		(365	)		(473	)		(432	)
Consolidated Interest Expense	$	13,143		$	9,367		$	8,114
Income Taxes:
Regulated	$	(146	)	$	2,084		$	(6,723	)
Non – Regulated		1,187			1,156			1,235
Consolidated Income Taxes	$	1,041		$	3,240		$	(5,488	)
Net Income:
Regulated	$	29,094		$	40,229		$	33,849
Non – Regulated		2,430			2,200			2,694
Consolidated Net Income	$	31,524		$	42,429		$	36,543
Capital Expenditures:
Regulated	$	90,047		$	91,054		$	79,195
Non – Regulated		132			281			183
Total Capital Expenditures	$	90,179		$	91,335		$	79,378

	(Thousands of Dollars)
	As of			As of
	December 31, 2023			December 31, 2022
Assets:
Regulated		1,235,549		$	1,079,180
Non – Regulated		8,068			6,999
Inter-segment Elimination		(7,565	)		(11,729	)
Consolidated Assets	$	1,236,052		$	1,074,450