Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Mar. 17, 2023	Mar. 31, 2024	Mar. 31, 2023	Feb. 26, 2024	Dec. 31, 2023
Earnings Per Share (Textual) [Abstract]
Number of antidilutive shares of common stock equivalents		43,422	366,946
Common stock, shares issued (in shares)		398,583,321		7,704,725	386,282,957
Common stock, par value (in dollars per share)		$ 0.01		$ 0.01	$ 0.01
Common stock issued for investment (in shares)	32,861,580
Net Income (Loss) Attributable to Coeur Stockholders
NET INCOME (LOSS)		$ (29,117)	$ (24,586)
Weighted Average Number of Shares Outstanding
Weighted Average Number of Shares Outstanding, Basic		384,968,000	300,950,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements		0	0
Weighted Average Number of Shares Outstanding, Diluted		384,968,000	300,950,000
Basic EPS
Earnings Per Share, Basic		$ (0.08)	$ (0.08)
Diluted EPS
Earnings Per Share, Diluted		$ (0.08)	$ (0.08)
Private Placement
Earnings Per Share (Textual) [Abstract]
Proceeds from (Repurchase of) Equity		$ 23,700
Proceeds from repurchase		$ 900