Supplemental Guarantor Information Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands		Sep. 30, 2025	Dec. 31, 2024
Condensed Financial Statements, Captions [Line Items]
Current assets		$ 667,170	$ 273,099
Current liabilities		333,754	330,820
Non-current liabilities		1,084,626	847,675
Coeur Mining, Inc.
Condensed Financial Statements, Captions [Line Items]
Current assets		143,005	13,782
Non-current assets(1)	[1]	961,345	516,209
Non-guarantor intercompany assets		3,942	3,144
Current liabilities		14,842	31,841
Non-current liabilities		361,559	496,976
Non-guarantor intercompany liabilities		2,440	2,642
Subsidiary Guarantors
Condensed Financial Statements, Captions [Line Items]
Current assets		286,015	164,627
Non-current assets(1)	[1]	1,497,655	1,483,632
Non-guarantor intercompany assets		0	0
Current liabilities		169,495	202,329
Non-current liabilities		257,037	260,210
Non-guarantor intercompany liabilities		$ 1,563	$ 1,570

[1] Coeur Mining, Inc.’s non-current assets include its investment in Guarantor Subsidiaries.