Derivative Instruments - Schedule of Fair Value of Derivative Instruments Not Designated as Hedging (Details) - Natural gas swaps - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Assets
Net Carrying Value Presented on the Balance Sheet	$ 15,176	$ 10,642
Liabilities
Assets	6,737	19,024
Liabilities	(21,913)	(8,382)
Net Carrying Value Presented on the Balance Sheet	(15,176)	10,642
Balance Sheet Location [Axis]: us-gaap:OtherDeferredCostsNet
Assets
Assets	0	3,084
Liabilities	0	(1,251)
Net Carrying Value Presented on the Balance Sheet	0	1,833
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Liabilities
Assets	4,703	145
Liabilities	(11,299)	(435)
Net Carrying Value Presented on the Balance Sheet	(6,596)	(290)
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Liabilities
Assets	1,319	1,020
Liabilities	(10,262)	(4,191)
Net Carrying Value Presented on the Balance Sheet	(8,943)	(3,171)
Balance Sheet Location [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent
Assets
Assets	715	14,775
Liabilities	(352)	(2,505)
Net Carrying Value Presented on the Balance Sheet	$ 363	$ 12,270

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