Operating Segments - Customers (Details) - customer	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Natural Gas
Concentration risk
Number of customers	26	24	34	32
Customer Concentration Risk
Concentration risk
Number of customers	3	3	1	2
Threshold concentration risk for reporting (as a percent)	10.00%	10.00%	10.00%	10.00%
Total Revenue | Customer Concentration Risk | Customer One
Concentration risk
Concentration risk (as a percent)	24.40%	34.00%	34.00%	18.00%
Total Revenue | Customer Concentration Risk | Customer Two
Concentration risk
Concentration risk (as a percent)	24.30%	14.00%		11.00%
Total Revenue | Customer Concentration Risk | Customer Three
Concentration risk
Concentration risk (as a percent)	11.00%	11.00%