Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share (Textual) [Abstract]
Number of antidilutive shares of common stock equivalents	634,419	389,629	1,137,726
Net Income (Loss) Attributable to Coeur Stockholders
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	$ (31,322)	$ 25,627	$ (346,896)
Income (loss) from discontinued operations	0	0	5,693
NET INCOME (LOSS)	$ (31,322)	$ 25,627	$ (341,203)
Weighted Average Number of Shares Outstanding
Weighted Average Number of Shares Outstanding, Basic	250,044,000	240,803,000	218,812,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	0	1,746,000	0
Weighted Average Number of Shares Outstanding, Diluted	250,044,000	242,549,000	218,812,000
Basic EPS
Income (Loss) from Continuing Operations, Per Basic Share	$ (0.13)	$ 0.11	$ (1.59)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	0	0	0.03
Earnings Per Share, Basic	(0.13)	0.11	(1.56)
Diluted EPS
Income (Loss) from Continuing Operations, Per Diluted Share	(0.13)	0.11	(1.59)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	0	0	0.03
Earnings Per Share, Diluted	$ (0.13)	$ 0.11	$ (1.56)