Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Operating Revenues
Regulated Energy	$ 101,141	$ 92,193	$ 243,411	$ 220,084
Unregulated Energy and other	34,452	47,277	110,311	142,266
Total Operating Revenues	135,593	139,470	353,722	362,350
Operating Expenses
Natural gas and electric costs	23,886	21,573	79,174	67,016
Propane and natural gas costs	11,907	25,543	45,208	77,279
Operations	42,163	38,002	86,930	80,796
Maintenance	5,258	4,507	10,362	8,772
Depreciation and amortization	17,303	17,216	34,486	34,193
Other taxes	6,730	6,160	14,301	12,960
Total Operating Expenses	107,247	113,001	270,461	281,016
Total operating income	28,346	26,469	83,261	81,334
Other income, net	831	2,584	1,107	3,498
Interest charges	6,964	5,825	14,196	11,164
Income Before Income Taxes	22,213	23,228	70,172	73,668
Income Taxes	6,080	6,177	17,695	19,683
Net Income	$ 16,133	$ 17,051	$ 52,477	$ 53,985
Weighted Average Common Shares Outstanding:
Basic (shares)	17,794,320	17,730,833	17,777,203	17,704,592
Diluted (shares)	17,852,024	17,809,871	17,841,954	17,785,629
Earnings Per Share of Common Stock:
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.91	$ 0.96	$ 2.95	$ 3.05
Basic (in dollars per share)	0.91	0.96	2.95	3.05
Earnings Per Share, Diluted [Abstract]
Income (Loss) from Continuing Operations, Per Diluted Share	0.90	0.96	2.94	3.04
Diluted (in dollars per share)	$ 0.90	$ 0.96	$ 2.94	$ 3.04