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Consolidated Statements of Income - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Operating Revenues      
Regulated Energy $ 473,595 $ 429,424 $ 383,920
Unregulated Energy 223,148 280,750 206,869
Other (26,139) (29,470) (20,821)
Total operating revenues 670,604 680,704 569,968
Operating Expenses      
Natural gas and electricity costs 140,008 127,172 100,737
Propane and natural gas costs 76,474 133,334 86,213
Operations 178,437 164,505 148,294
Maintenance 20,401 18,176 16,793
Depreciation and amortization 65,501 68,973 62,661
Other taxes 28,625 25,611 24,158
Total operating expenses 519,801 537,771 438,856
Operating Income 150,803 142,933 131,112
Other income, net 1,438 5,051 1,720
Interest charges 36,951 24,356 20,135
Income Before Income Taxes 115,290 123,628 112,697
Income taxes 28,078 33,832 29,231
Net Income (Loss) Attributable to Parent $ 87,212 $ 89,796 $ 83,466
Weighted Average Common Shares Outstanding:      
Basic (in shares) 18,370,758 17,722,227 17,558,078
Diluted (in shares) 18,434,857 17,804,294 17,633,029
Earnings Per Share of Common Stock:      
Income (Loss) from Continuing Operations, Per Basic Share $ 4.75 $ 5.07 $ 4.75
Basic (in usd per share) 4.75 5.07 4.75
Earnings Per Share, Diluted [Abstract]      
Income (Loss) from Continuing Operations, Per Diluted Share 4.73 5.04 4.73
Diluted (in usd per share) $ 4.73 $ 5.04 $ 4.73
Transaction-related expenses $ 10,355 $ 0 $ 0