Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Revenues
Regulated Energy	$ 127,891	$ 121,197
Unregulated Energy and other	94,989	69,990
Total Operating Revenues	222,880	191,187
Operating Expenses
Regulated natural gas and electric costs	45,442	43,043
Unregulated propane and natural gas costs	51,738	31,254
Operations	42,794	39,437
Maintenance	4,264	4,042
Depreciation and amortization	16,977	15,365
Other taxes	6,800	6,449
Total Operating Expenses	168,015	139,590
Total operating income	54,865	51,597
Other income, net	913	375
Interest charges	5,339	5,105
Income Before Income Taxes	50,439	46,867
Income Taxes	13,506	12,401
Net Income	$ 36,933	$ 34,466
Weighted Average Common Shares Outstanding:
Basic (shares)	17,678,060	17,485,866
Diluted (shares)	17,761,119	17,553,167
Earnings Per Share of Common Stock:
Income (Loss) from Continuing Operations, Per Basic Share	$ 2.09	$ 1.97
Basic (in dollars per share)	2.09	1.97
Earnings Per Share, Diluted [Abstract]
Income (Loss) from Continuing Operations, Per Diluted Share	2.08	1.96
Diluted (in dollars per share)	$ 2.08	$ 1.96