Business Segment Data (Details) - Schedule of Segment Reporting Information, by Segment - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Revenues:
Consolidated Revenues	$ 46,715	$ 47,732	$ 127,672	$ 123,611
Operating Income:
Consolidated Operating Income	12,822	16,575	30,980	39,186
Net Income:
Consolidated Net Income	9,990	14,291	25,759	35,258
Capital Expenditures:
Total Capital Expenditures	22,439	26,596	73,074	65,939
Assets:
Consolidated Assets	1,243,416		1,243,416		$ 1,074,450
Regulated [Member]
Revenues:
Consolidated Revenues	43,763	44,861	118,625	115,222
Operating Income:
Consolidated Operating Income	12,008	15,750	28,543	36,793
Net Income:
Consolidated Net Income	9,384	13,683	24,017	33,496
Capital Expenditures:
Total Capital Expenditures	22,415	26,588	72,994	65,722
Assets:
Consolidated Assets	1,241,123		1,241,123		1,079,180
Non - Regulated [Member]
Revenues:
Consolidated Revenues	3,251	3,431	9,649	9,316
Operating Income:
Consolidated Operating Income	814	825	2,437	2,393
Net Income:
Consolidated Net Income	606	608	1,742	1,762
Capital Expenditures:
Total Capital Expenditures	24	8	80	217
Assets:
Consolidated Assets	7,382		7,382		6,999
Inter segment Elimination [Member]
Revenues:
Consolidated Revenues	(299)	$ (560)	(602)	$ (927)
Assets:
Consolidated Assets	$ (5,089)		$ (5,089)		$ (11,729)