Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating Revenues
Regulated Energy	$ 142,270	$ 127,891
Unregulated Energy and other	75,859	94,989
Total Operating Revenues	218,129	222,880
Operating Expenses
Natural gas and electric costs	55,288	45,442
Propane and natural gas costs	33,301	51,739
Operations	44,767	42,793
Maintenance	5,104	4,264
Depreciation and amortization	17,183	16,977
Other taxes	7,571	6,800
Total Operating Expenses	163,214	168,015
Total operating income	54,915	54,865
Other income, net	276	913
Interest charges	7,232	5,339
Income Before Income Taxes	47,959	50,439
Income Taxes	11,615	13,506
Net Income	$ 36,344	$ 36,933
Weighted Average Common Shares Outstanding:
Basic (shares)	17,759,896	17,678,060
Diluted (shares)	17,831,772	17,761,119
Earnings Per Share of Common Stock:
Income (Loss) from Continuing Operations, Per Basic Share	$ 2.05	$ 2.09
Basic (in dollars per share)	2.05	2.09
Earnings Per Share, Diluted [Abstract]
Income (Loss) from Continuing Operations, Per Diluted Share	2.04	2.08
Diluted (in dollars per share)	$ 2.04	$ 2.08