Acquisitions and Divestitures (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	$ 218,129	$ 222,880
Operating Income (Loss)	54,915	54,865
Unregulated Energy [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Operating Income (Loss)	17,245	$ 20,046
Davenport Energy
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	$ 1,500
Number of customers acquired through acquisition	850
Business Combination, Consideration Transferred	$ 2,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	$ 500
Gallons acquired through acquisition	400,000
Planet Found
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	$ 4,000
Business Combination, Consideration Transferred	9,500
Business Combination, Working Capital	100
Business Combination, Contingent Consideration, Liability	900
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	1,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets	$ 4,400
Planet Found | Unregulated Energy [Member]
Acquisitions - Additional Information [Line Items]
Tons of Poultry Litter	1,200