Property, Plant and Equipment and Mining Properties, Net (Narrtive) (Details) $ in Thousands			3 Months Ended	9 Months Ended
	Oct. 03, 2024 USD ($) shares	Nov. 20, 2023 USD ($) oz $ / oz	Jun. 30, 2024 ton / d	Sep. 30, 2024 USD ($)	Jul. 08, 2024 USD ($)	Dec. 31, 2023 USD ($)	Nov. 30, 2023 USD ($)
Property, Plant and Equipment [Line Items]
Inflation adjusted royalty payment | $ / oz		25
Mineral Interest				$ 833,564		$ 809,912
Accrued liabilities and other				153,285		140,913
Other long-term liabilities				30,950		$ 29,239
Crushing circuit production (tons per day) | ton / d			88,000
Subsequent Event | SilverCrest Metals Inc.
Property, Plant and Equipment [Line Items]
Ownership percentage, parent	63.00%
Subsequent Event | Company Subsidary
Property, Plant and Equipment [Line Items]
Ownership percentage, noncontrolling owner	37.00%
Minimum
Property, Plant and Equipment [Line Items]
Amount of gold equivalent ounces discovered | oz		450,000
Maximum
Property, Plant and Equipment [Line Items]
Amount of gold equivalent ounces discovered | oz		2,000,000
Mining Concessions Purchase Agreement Member
Property, Plant and Equipment [Line Items]
Total Consideration							$ 25,000
Cash payment at closing		$ 10,000			$ 10,000
Cash payment 12 months after closing							10,000
Cash payment 24 months after closing							$ 5,000
Mineral Interest					23,700
Accrued liabilities and other					9,300
Other long-term liabilities					$ 4,400
SilverCrest Metals Inc. | Subsequent Event
Property, Plant and Equipment [Line Items]
Break fee	$ 60,000
Company Subsidary | Subsequent Event
Property, Plant and Equipment [Line Items]
Common stock portion, number of Coeur stock for each share of Silvercrest common stock converted (in shares) | shares	1.6022
Shares issued (in dollars per share) | shares	11.34
Total consideration	$ 1,700,000
Break fee	$ 100,000
Rochester
Property, Plant and Equipment [Line Items]
Construction in process placed into service				$ 528,000