Gold and Silver Stream Agreements - Narrative (Details)	1 Months Ended	9 Months Ended	12 Months Ended
Gold and Silver Stream Agreements - Narrative (Details)	Jun. 30, 2020 USD ($) oz	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Nov. 30, 2017 USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Deferred revenue		$ 86,491,000	$ 74,432,000
Osisko Gold Stream Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Deferred revenue		$ 38,425,000	33,067,000
Osisko Gold Stream Agreement \| Aquila Resources Inc. \| Gold
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Amount committed	$ 50,000,000			$ 55,000,000
Cash acquisition costs	20,000,000
Deposit amount	5,000,000
Project debt finance first draw down	$ 25,000,000
Initial term of agreement	40 years
Automatic renewal term of agreement	10 years
Deferred revenue			$ 20,000,000
Quarterly production deliverable (as a percent)		22.20%	22.20%
Deposit liability		$ 30,000,000
Threshold stream (as a percent)	18.50%
Production Threshold \| oz	105,000
Trail stream (as a percent)	9.25%
Spot price of gold (as a percent)	30.00%
Maximum amount receivable on gold per ounce	$ 600
Osisko Gold Stream Agreement \| Gold Resources Acquisition Company \| Aquila Resources Inc. \| Gold
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Ownership percentage	100.00%
Osisko Silver Stream Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Deferred revenue		48,066,000	$ 41,365,000
Osisko Silver Stream Agreement \| Aquila Resources Inc. \| Silver
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Commodity produced (as a percent)	85.00%
Cash acquisition costs		$ 17,200,000
Deposit amount	$ 0
Initial term of agreement	40 years
Automatic renewal term of agreement	10 years
Threshold price of silver at which deposit received is adjusted	$ 4
Deferred revenue			$ 17,200,000
Quarterly production deliverable (as a percent)		22.20%	22.20%

GOLD RESOURCE CORP 10-Q