Supplemental Guarantor Information Condensed Consolidated Statements of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Condensed Financial Statements, Captions [Line Items]
Loss on debt extinguishments	$ 0		$ 0		$ (9,173)	$ 0
Revenue	214,858		154,249		416,975	327,416
NET INCOME (LOSS)	32,146	$ 2,060	(1,209)	$ (11,900)	34,206	(13,109)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	$ 32,146		$ (1,209)		34,206	$ (13,109)
Coeur Mining, Inc.
Condensed Financial Statements, Captions [Line Items]
Revenue					0
Gross Profit					(313)
NET INCOME (LOSS)					34,206
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent					34,206
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Revenue					251,595
Gross Profit					44,766
NET INCOME (LOSS)					9,976
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent					$ 9,976