Commitments and Contigencies (Details Textual) ozt in Millions			3 Months Ended		36 Months Ended
	Jan. 01, 2027	Nov. 20, 2023 oz $ / oz	Mar. 31, 2024 USD ($) shares	Mar. 31, 2023 USD ($)	Dec. 31, 2026	Mar. 28, 2025 USD ($)	Apr. 30, 2024 USD ($) shares	Apr. 02, 2024 USD ($)	Mar. 28, 2024 ozt shares	Feb. 26, 2024 shares	Dec. 31, 2023 USD ($) shares	Nov. 30, 2023 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Oct. 02, 2014 USD ($)
Business Acquisition [Line Items]
Revenue Recognized			$ 55,159,000	$ 10,115,000
Valued-added Tax Outstanding			$ 31,600,000
Common stock, shares issued (in shares) | shares			398,583,321							7,704,725	386,282,957
Common stock fair value			$ 3,986,000								$ 3,863,000
Inflation adjusted royalty payment | $ / oz		25
Surety Bonds Outstanding			333,300,000								324,800,000
Kensington Royalty Matter | Settled Litigation
Business Acquisition [Line Items]
Royalty payment | ozt									2
Kensington Royalty Matter | Settled Litigation | Subsequent Event
Business Acquisition [Line Items]
Common stock, shares issued (in shares) | shares							737,210
Common stock fair value							$ 3,000,000	$ 3,000,000
Kensington Royalty Matter | Settled Litigation | Forecast
Business Acquisition [Line Items]
Royalty payment rate	1.50%				1.25%
Common stock fair value						$ 3,750,000
Mining Concessions Purchase Agreement Member
Business Acquisition [Line Items]
Cash payment at closing												$ 10,000,000
Cash payment 12 months after closing												10,000,000
Cash payment 24 months after closing												5,000,000
Total Consideration												$ 25,000,000
Minimum
Business Acquisition [Line Items]
Amount of gold equivalent ounces discovered | oz		450,000
Maximum
Business Acquisition [Line Items]
Amount of gold equivalent ounces discovered | oz		2,000,000,000,000
Maximum | Kensington Royalty Matter | Settled Litigation
Business Acquisition [Line Items]
Common stock, shares issued (in shares) | shares									2,455,000
Palmarejo gold production royalty
Business Acquisition [Line Items]
Production to be sold, percent															50.00%
Price per ounce under agreement															$ 800
Aggregate deposit to be received															$ 22,000,000
Kensington
Business Acquisition [Line Items]
Revenue Recognized			(55,000,000)	(10,000,000)
Revenue liability			55,112,000	$ 15,127,000							55,082,000			$ 25,016,000
Kensington | December 2023 Prepayment
Business Acquisition [Line Items]
Revenue liability			25,000,000
Kensington | December 2023 Prepayment
Business Acquisition [Line Items]
Revenue liability											25,000,000
Rochester | December 2023 Prepayment
Business Acquisition [Line Items]
Revenue liability			17,500,000
Rochester | September 2023 Prepayment
Business Acquisition [Line Items]
Revenue liability													$ 17,500,000
Rochester | December 2023 Prepayment
Business Acquisition [Line Items]
Revenue liability											17,500,000
Wharf | December 2023 Prepayment
Business Acquisition [Line Items]
Revenue liability			$ 12,500,000
Wharf | September 2023 Prepayment
Business Acquisition [Line Items]
Revenue liability													$ 12,500,000
Wharf | December 2023 Prepayment
Business Acquisition [Line Items]
Revenue liability											$ 12,500,000