Business Segment Data (Details) - Schedule of Inter-Segment Transactions - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Revenues:
Consolidated Revenues	$ 55,100			$ 46,715			$ 144,770	$ 127,672
Operating Income:
Consolidated Operating Income	17,501			12,822			42,681	30,980
Net Income:
Consolidated Net Income	14,319	$ 10,546	$ 10,682	9,990	$ 9,901	$ 5,868	35,547	25,759
Capital Expenditures:
Total Capital Expenditures	20,743			22,439			49,480	73,074
Assets:
Consolidated Assets	1,229,615						1,229,615		$ 1,236,052
Regulated [Member]
Revenues:
Consolidated Revenues	52,252			43,763			135,682	118,625
Operating Income:
Consolidated Operating Income	16,673			12,008			39,990	28,543
Net Income:
Consolidated Net Income	13,697			9,384			33,576	24,017
Capital Expenditures:
Total Capital Expenditures	20,743			22,415			49,444	72,994
Assets:
Consolidated Assets	1,236,131						1,236,131		1,235,549
Non – Regulated [Member]
Revenues:
Consolidated Revenues	3,325			3,251			9,940	9,649
Operating Income:
Consolidated Operating Income	828			814			2,691	2,437
Net Income:
Consolidated Net Income	622			606			1,971	1,742
Capital Expenditures:
Total Capital Expenditures				24			36	80
Assets:
Consolidated Assets	9,525						9,525		8,068
Inter-segment Elimination [Member]
Revenues:
Consolidated Revenues	(477)			$ (299)			(852)	$ (602)
Assets:
Consolidated Assets	$ (16,041)						$ (16,041)		$ (7,565)