Commitments and Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Loss Contingencies [Line Items]
Amount accrued	$ 0	$ 2,000
Future commitments	221,200
Surety Bonds Outstanding	552,500
Cash collateral for surety bond	5,600
Reclamation-related obligations	255,740	235,736
Contribution to fund asset retirement obligations	6,273	$ 115,993	$ 20,000
Securitization and Inventory Facilities
Loss Contingencies [Line Items]
Letters of credit outstanding	76,400
Asset retirement obligations
Loss Contingencies [Line Items]
Surety Bonds Outstanding	455,700
Cash collateral for surety bond	600
Reclamation-related obligations	261,800
Contribution to fund asset retirement obligations	$ 142,300