Acquisitions - Narrative (Details) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended
	Feb. 14, 2025	Oct. 03, 2024	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Business Combination [Line Items]
Common stock, shares issued (in shares)			642,210,145		642,210,145		399,235,632
Common stock, shares outstanding (in shares)			642,210,145		642,210,145		399,235,632
Inventories			$ 5,011	$ 14,320	$ 27,484	$ 53,788
Fair value adjustments, net, pretax			0	0	342	0
Acquisition related costs			$ 451	$ 976	12,161	$ 976
Business Combination, Total Transaction Costs					$ 20,400
SilverCrest
Business Combination [Line Items]
Common stock, shares issued (in shares)	239,331,799		239,331,799		239,331,799
Common stock, shares outstanding (in shares)	239,331,799
Common shares issued (value)	$ 1,580,000		$ 1,581,983
Fair value of Coeur payable to SilverCrest repurchased			(72,311)
Inventories			$ (72,000)
Company Subsidary
Business Combination [Line Items]
Common stock portion, number of Coeur stock for each share of Silvercrest common stock converted (in shares)		1.6022