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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Income Taxes [Line Items]    
Deferred tax liabilities, assets acquisition $ 9,200  
Withholding tax on dividends 10.00%  
Dividend withholding tax between countries 5.00%  
Dividend Withholding Tax Amount Between Countries $ 1,300 $ 500
Income tax expense 8,559 9,615
Provisional tax expense related to the net change in deferred tax assets $ (3,545) (2,116)
Royalty fee as percent of gross revenue 0.50%  
Valuation allowance $ 31,818 36,933
Long-term deferred tax liability 9,224 13,126
Deferred tax assets, net 10,745 5,917
Decrease in valuation allowance 5,100  
Uncertain tax position 0 $ 0
Aquila    
Income Taxes [Line Items]    
Long-term deferred tax liability 14,600  
Don David Gold Mine    
Income Taxes [Line Items]    
Deferred tax assets, net 5,900  
Back Forty Project    
Income Taxes [Line Items]    
Net operating losses subject to expiration 24,800  
Net operating losses not subject to expiration 51,100  
Annual limitation of net operating loss carry forwards 1,300  
Federal    
Income Taxes [Line Items]    
Operating loss carry-forward 73,800  
Global Intangible Low Taxed Income [Member]    
Income Taxes [Line Items]    
Portion of U.S. tax rate   90.00%
Between 2023 And 2026 [Member] | Foreign Tax Authority    
Income Taxes [Line Items]    
Tax credits carryforwards 4,100  
Between 2022 and 2024 [Member] | Federal    
Income Taxes [Line Items]    
Operating loss carry-forward 200  
Between 2027 and 2037 [Member] | Federal    
Income Taxes [Line Items]    
Operating loss carry-forward 26,600  
No Expiration [Member] | Federal    
Income Taxes [Line Items]    
Operating loss carry-forward 47,200  
MICHIGAN | State and Local    
Income Taxes [Line Items]    
Operating loss carry-forward 22,300  
COLORADO | State and Local    
Income Taxes [Line Items]    
Operating loss carry-forward 47,300  
COLORADO | Between 2022 and 2037 [Member] | State and Local    
Income Taxes [Line Items]    
Operating loss carry-forward 30,300  
COLORADO | No Expiration [Member] | State and Local    
Income Taxes [Line Items]    
Operating loss carry-forward 17,000  
CANADA | Between 2026 and 2041 [Member] | Foreign Tax Authority    
Income Taxes [Line Items]    
Operating loss carry-forward $ 37,900  
Mexico    
Income Taxes [Line Items]    
MITL corporate income tax rate 30.00%  
MITL royalty tax on mining concessions 7.50%  
Amortization period 10 years  
Amortization rate 10.00%  
Aquila Resources Inc.    
Income Taxes [Line Items]    
Valuation allowance $ 21,800 $ 27,500