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Represents the number of board members appointed by the company.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The amount of capital contributed by the limited partners.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

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Investment in Ambler Metals LLC - Narrative (Details)		3 Months Ended
Investment in Ambler Metals LLC - Narrative (Details)	Feb. 11, 2020 USD ($) Owner	Feb. 28, 2025 USD ($)	Feb. 29, 2024 USD ($)
Schedule of Equity Method Investments [Line Items]
Comprehensive loss		$ 3,623,000	$ 3,601,000
Ambler Metals LLC
Schedule of Equity Method Investments [Line Items]
Percentage of ownership	50.00%	50.00%
Comprehensive loss		$ 1,200,000	1,600,000
Number of board members \| Owner	4
Number of members appointed by Trilogy \| Owner	2
Maximum exposure to loss		106,900,000	134,000,000
South32 \| Ambler Metals LLC
Schedule of Equity Method Investments [Line Items]
Percentage of ownership	50.00%
Ambler Metals
Schedule of Equity Method Investments [Line Items]
Human resources and accounting services in connection with a service agreement		8,000	10,000
Operating expenses		$ 38,000	$ 16,000
South32
Schedule of Equity Method Investments [Line Items]
Contribution made to joint venture	$ 145,000,000