Mineral Interests and Property, Plant and Equipment, net - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Financing lease right of use asset	$ 206,303	$ 106,959
Total	2,842,058	2,415,081
Less: Accumulated depreciation	(1,024,694)	(865,611)
Property, plant and equipment, net	1,817,364	1,549,470
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	77,406	77,351
Land improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	82,422	19,939
Building and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	144,744	73,543
Asset retirement obligation assets
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	48,734	62,301
Mine development and infrastructure costs
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	208,538	126,266
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,870,215	1,435,650
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 203,696	$ 513,072

Amount, before accumulated amortization, of right-of-use asset from finance lease.

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