Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share (Textual) [Abstract]
Number of antidilutive shares of common stock equivalents	1,991,864		1,553,030		992,382	1,558,030
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	$ (77,434)		$ 32,146		$ (69,752)	$ 34,206
NET INCOME (LOSS)	$ (77,434)	$ 7,682	$ 32,146	$ 2,060	$ (69,752)	$ 34,206
Weighted Average Number of Shares Outstanding
Weighted Average Number of Shares Outstanding, Basic	278,040,000		249,066,000		268,884,000	245,253,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	0		3,066,000		0	3,240,000
Weighted Average Number of Shares Outstanding, Diluted	278,040,000		252,132,000		268,884,000	248,493,000
Basic EPS
Earnings Per Share, Basic	$ (0.28)		$ 0.13		$ (0.26)	$ 0.14
Diluted EPS
Earnings Per Share, Diluted	$ (0.28)		$ 0.13		$ (0.26)	$ 0.14