Supplemental Guarantor Information Condensed Consolidated Statements of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Condensed Financial Statements, Captions [Line Items]
Revenue	$ 554,567			$ 313,476			$ 1,395,279	$ 748,562
Net income	$ 266,824	$ 70,726	$ 33,353	$ 48,739	$ 1,426	$ (29,117)	370,903	$ 21,048
Coeur Mining, Inc.
Condensed Financial Statements, Captions [Line Items]
Revenue							0
Gross Profit							(587)
Net income							370,903
Subsidiary Guarantors
Condensed Financial Statements, Captions [Line Items]
Revenue							777,339
Gross Profit							323,916
Net income							$ 237,375