Acquisitions and Divestitures (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	$ 135,593	$ 139,470	$ 353,722	$ 362,350
Operating Income (Loss)	28,346	26,469	83,261	81,334
Unregulated Energy [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Operating Income (Loss)	(993)	$ 560	16,252	$ 20,613
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		$ 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		$ 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		$ 4,000
Business Combination, Consideration Transferred			9,500
Business Combination, Working Capital	100		100
Business Combination, Contingent Consideration, Liability	900		900
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	1,100		1,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets	$ 4,400		$ 4,400
Planet Found | Unregulated Energy [Member]
Acquisitions - Additional Information [Line Items]
Tons of Poultry Litter			1,200