Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Sep. 13, 2023	Mar. 17, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jul. 20, 2023	Jun. 21, 2023
Earnings Per Share (Textual) [Abstract]
Number of antidilutive shares of common stock equivalents			1,777,273	952,664	634,419
Common stock, shares issued (in shares)			386,282,957	295,697,624		3,000,000	5,276,154
Common stock, par value (in dollars per share)	$ 0.01		$ 0.01	$ 0.01			$ 0.01
Common stock issued for investment (in shares)	21,699,856	32,861,580
Net Income (Loss) Attributable to Coeur Stockholders
NET INCOME (LOSS)			$ (103,612)	$ (78,107)	$ (31,322)
Weighted Average Number of Shares Outstanding
Weighted Average Number of Shares Outstanding, Basic			343,059,000	275,178,000	250,044,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements			0	0	0
Weighted Average Number of Shares Outstanding, Diluted			343,059,000	275,178,000	250,044,000
Basic EPS
Earnings Per Share, Basic			$ (0.30)	$ (0.28)	$ (0.13)
Diluted EPS
Earnings Per Share, Diluted			$ (0.30)	$ (0.28)	$ (0.13)
Private Placement
Earnings Per Share (Textual) [Abstract]
Proceeds from (Repurchase of) Equity			$ 18,200
Proceeds from repurchase			5,100
Over-Allotment Option
Earnings Per Share (Textual) [Abstract]
Proceeds from (Repurchase of) Equity			10,500
Proceeds from repurchase			$ 2,700