Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share (Textual) [Abstract]
Number of antidilutive shares of common stock equivalents	1,151,073	112,610
Common stock issued for investment (in shares)	22,053,275
Net Income (Loss) Attributable to Coeur Stockholders
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	$ 7,682	$ 2,060
NET INCOME (LOSS)	$ 7,682	$ 2,060
Weighted Average Number of Shares Outstanding
Weighted Average Number of Shares Outstanding, Basic	261,458,000	241,397,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	2,105,000	3,123,000
Weighted Average Number of Shares Outstanding, Diluted	263,563,000	244,520,000
Basic EPS
Earnings Per Share, Basic	$ 0.03	$ 0.01
Diluted EPS
Earnings Per Share, Diluted	$ 0.03	$ 0.01