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Nature of Operations and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2022
Nature of Operations and Summary of Significant Accounting Policies  
Summary of estimated economic lives of of depreciable assets

Range of Lives

Asset retirement costs

UOP

Furniture, computer and office equipment

3 to 10 years

Light vehicles and other mobile equipment

4 years

Machinery and equipment

UOP to 8 years

Mill facilities and related infrastructure

UOP

Mine development and mineral interests

UOP

Buildings and infrastructure

UOP to 4 years