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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

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