Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Feb. 26, 2024	Dec. 31, 2023
Earnings Per Share (Textual) [Abstract]
Number of antidilutive shares of common stock equivalents	29,130			1,100,000			103,916	1,600,000
Common stock, shares issued (in shares)	399,287,506						399,287,506		7,704,725	386,282,957
Common stock, par value (in dollars per share)	$ 0.01						$ 0.01		$ 0.01	$ 0.01
Net Income (Loss) Attributable to Coeur Stockholders
NET INCOME (LOSS)	$ 48,739	$ 1,426	$ (29,117)	$ (21,109)	$ (32,412)	$ (24,586)	$ 21,048	$ (78,107)
Weighted Average Number of Shares Outstanding
Weighted Average Number of Shares Outstanding, Basic	393,969,000			356,676,000			390,936,000	330,440,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	6,869,000			0			5,442,000	0
Weighted Average Number of Shares Outstanding, Diluted	400,838,000			356,676,000			396,378,000	330,440,000
Basic EPS
Earnings Per Share, Basic	$ 0.12			$ (0.06)			$ 0.05	$ (0.24)
Diluted EPS
Earnings Per Share, Diluted	$ 0.12			$ (0.06)			$ 0.05	$ (0.24)
Private Placement
Earnings Per Share (Textual) [Abstract]
Proceeds from (Repurchase of) Equity			23,700
Proceeds from repurchase			$ 900
Flow-through share premium liability income recognition							$ 5,200