Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended
	Mar. 17, 2023	Dec. 11, 2022	Mar. 18, 2022	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share (Textual) [Abstract]
Number of antidilutive shares of common stock equivalents				366,946	1,151,073
Common stock issued for investment (in shares)	32,861,580	14,766,835	22,053,275
Net Income (Loss) Attributable to Coeur Stockholders
NET INCOME (LOSS)				$ (24,586)	$ 7,682
Weighted Average Number of Shares Outstanding
Weighted Average Number of Shares Outstanding, Basic				300,950,000	261,458,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements				0	2,105,000
Weighted Average Number of Shares Outstanding, Diluted				300,950,000	263,563,000
Basic EPS
Earnings Per Share, Basic				$ (0.08)	$ 0.03
Diluted EPS
Earnings Per Share, Diluted				$ (0.08)	$ 0.03