Revenues - Disaggregation of Revenue (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) oz	Dec. 31, 2022 USD ($) oz
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 33,229
Customer concentration risk | Revenue
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage		100.00%
Customer A
Disaggregation of Revenue [Line Items]
Revenues	0	$ 12,159
Customer A | Customer concentration risk | Revenue
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage		36.60%
Customer B
Disaggregation of Revenue [Line Items]
Revenues	0	$ 10,997
Customer B | Customer concentration risk | Revenue
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage		33.10%
Customer C
Disaggregation of Revenue [Line Items]
Revenues	0	$ 10,073
Customer C | Customer concentration risk | Revenue
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage		30.30%
Gold sales
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 32,249
Volume of Sales | oz	0	17,728
Silver sales
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 980
Volume of Sales | oz	0	44,084