Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share (Textual) [Abstract]
Number of antidilutive shares of common stock equivalents	3,719,764			1,513,288			2,013,571	1,489,158
Common stock issued for investment (in shares)							22,053,275
Net Income (Loss) Attributable to Coeur Stockholders
NET INCOME (LOSS)	$ (57,444)	$ (77,434)	$ 7,682	$ (54,768)	$ 32,146	$ 2,060	$ (127,196)	$ (20,562)
Weighted Average Number of Shares Outstanding
Weighted Average Number of Shares Outstanding, Basic	278,105,000			254,744,000			272,599,000	247,675,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	0			0			0	0
Weighted Average Number of Shares Outstanding, Diluted	278,105,000			254,744,000			272,599,000	247,675,000
Basic EPS
Earnings Per Share, Basic	$ (0.21)			$ (0.21)			$ (0.47)	$ (0.08)
Diluted EPS
Earnings Per Share, Diluted	$ (0.21)			$ (0.21)			$ (0.47)	$ (0.08)