CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Revenue (including related party)	$ 57,393	$ 31,258	$ 118,203	$ 79,942
Cost of sales (excluding depreciation, depletion and amortization) (including related party)	50,431	41,463	99,262	77,057
Operating costs and expenses:
Selling, general and administrative	27,429	21,434	51,595	42,701
Depreciation, depletion and amortization	20,777	18,210	42,161	36,595
Start-up costs	761	1,373	1,737	2,660
Advanced projects and development	2,496	1,886	2,970	6,092
Other operating costs and expenses (income), net	(619)	384	(862)	761
Total operating costs and expenses	101,275	84,750	196,863	165,866
Operating loss	(43,882)	(53,492)	(78,660)	(85,924)
Interest expense, net	(5,414)	(6,745)	(13,029)	(9,602)
Gain on early extinguishment of debt	0	0	0	46,265
Other income, net	6,572	12,084	21,790	24,741
Loss before income taxes	(42,724)	(48,153)	(69,899)	(24,520)
Income tax benefit	11,852	14,098	16,379	6,954
Net loss	$ (30,872)	$ (34,055)	$ (53,520)	$ (17,566)
Loss per share:
Basic EPS (in USD per share)	$ (0.19)	$ (0.21)	$ (0.33)	$ (0.10)
Diluted (in USD per share)	$ (0.19)	$ (0.21)	$ (0.33)	$ (0.28)
Weighted-average shares outstanding:
Basic (in shares)	163,834,693	165,344,511	163,799,713	169,950,658
Diluted (in shares)	163,834,693	165,344,511	163,799,713	176,068,146