Commitments and Contingencies (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Loss Contingencies [Line Items]
Surety Bonds Outstanding	$ 500,100
Cash collateral for surety bond	5,600
Contribution to fund asset retirement obligations	1,881	$ 1,141
Fund for asset retirement obligations	144,146		$ 142,266
Securitization and Inventory Facilities
Loss Contingencies [Line Items]
Letters of credit outstanding	78,100
Asset retirement obligations
Loss Contingencies [Line Items]
Surety Bonds Outstanding	403,200
Cash collateral for surety bond	600
Reclamation-related obligations	266,300
Contribution to fund asset retirement obligations	1,900
Fund for asset retirement obligations	$ 144,100