Summary of Significant Accounting Policies - Narrative (Details) - USD ($)							3 Months Ended	12 Months Ended
	Nov. 30, 2022	Nov. 28, 2022	Mar. 30, 2022	Mar. 16, 2022	Mar. 15, 2022	Mar. 14, 2022	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Impaired [Line Items]
Cash and cash equivalents								$ 142,000,000.0
Working capital								140,400,000
Proceeds from issuance of equity							$ 194,400,000
Reclamation and other surety bond cash collateral								33,982,000	$ 34,293,000
Common Stock
Financing Receivable, Impaired [Line Items]
Common shares issued upon conversion (in shares)		500,000
Sprott Credit Agreement | Line of Credit
Financing Receivable, Impaired [Line Items]
Principal prepayment		$ 1,100,000	$ 10,000,000
Principal prepaid	$ 1,100,000		$ 13,900,000	$ 10,000,000
Subordinated Notes
Financing Receivable, Impaired [Line Items]
Reduction in subordinated notes		11,139,707
Repayments of Subordinated Debt		$ 5,569,854
Private Placement
Financing Receivable, Impaired [Line Items]
Number of shares issued (in shares)						46,816,480
Offering price (in USD per share)						$ 1.193
Consideration received, net of issuance costs						$ 55,900,000
Proceeds from private placement and forward purchase contract					$ 55,900,000	$ 55,900,000
Common Stock
Financing Receivable, Impaired [Line Items]
Proceeds from issuance of equity					$ 138,600,000			$ 194,400,000
Number of shares issued (in shares)					89,553,584
Sale of stock, consideration received per transaction					$ 500,000,000