XML 36 R62.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Derivative Financial Instruments (Details Textual) | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  |  | 3 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2014 USD ($) | Jun. 30, 2013 | Jun. 30, 2014 Put Option [Member] | Jun. 30, 2014 Franco-Nevada warrant [Member] USD ($) | Jun. 30, 2013 Franco-Nevada warrant [Member] USD ($) | Jun. 30, 2014 Franco-Nevada warrant [Member] USD ($) | Jun. 30, 2013 Franco-Nevada warrant [Member] USD ($) | Dec. 31, 2013 Franco-Nevada warrant [Member] USD ($) | Jun. 30, 2014 Palmarejo gold production royalty [Member] oz | Jan. 21, 2009 Palmarejo gold production royalty [Member] | Jun. 30, 2014 Forward foreign exchange contracts [Member] Mexican peso forward purchase contracts [Member] USD ($) | Jun. 30, 2013 Forward foreign exchange contracts [Member] Mexican peso forward purchase contracts [Member] USD ($) | Jun. 30, 2014 Forward foreign exchange contracts [Member] Mexican peso forward purchase contracts [Member] USD ($) | Jun. 30, 2013 Forward foreign exchange contracts [Member] Mexican peso forward purchase contracts [Member] USD ($) | Dec. 31, 2013 Forward foreign exchange contracts [Member] Mexican peso forward purchase contracts [Member] USD ($) | Dec. 31, 2013 Forward foreign exchange contracts [Member] Mexican peso forward purchase contracts [Member] MXN | Jun. 30, 2014 Concentrate Sales Contracts [Member] USD ($) | Jun. 30, 2013 Concentrate Sales Contracts [Member] USD ($) | Jun. 30, 2014 Concentrate Sales Contracts [Member] USD ($) | Jun. 30, 2013 Concentrate Sales Contracts [Member] USD ($) | Jun. 30, 2014 Gold Put Purchase and Call Sold Options Net [Member] USD ($) | Jun. 30, 2014 Commodity [Member] USD ($) | Jun. 30, 2013 Commodity [Member] USD ($) | Jun. 30, 2014 Commodity [Member] USD ($) | Jun. 30, 2013 Commodity [Member] USD ($) | Dec. 31, 2013 Kensington Term Facility [Member] Put Option [Member] oz | Dec. 31, 2013 Kensington Term Facility [Member] Gold Put Option [Member] Put Option [Member] | Dec. 31, 2013 Kensington Term Facility [Member] Put Option on Silver [Member] Put Option [Member] | Jun. 30, 2014 Maximum [Member] Palmarejo gold production royalty [Member] oz | Jun. 30, 2014 Derivative Instruments Settle in Year One [Member] Gold Put Option [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year One [Member] Silver concentrate sales agreements [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year One [Member] Gold concentrates sales agreements [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year One [Member] Gold put options purchased [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year One [Member] Silver put options purchased [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year One [Member] Silver Put Options Sold [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year One [Member] Mexico Peso Call Options [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year One [Member] Mexico Peso Call Options [Member] MXN | Jun. 30, 2014 Derivative Instruments Settle in Year One [Member] Mexico Peso Put Options [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year One [Member] Mexico Peso Put Options [Member] MXN | Jun. 30, 2014 Derivative Instruments Settle in Year One [Member] Kensington Term Facility [Member] Gold put options purchased [Member] | Jun. 30, 2014 Derivative Instruments Settle in Year One [Member] Kensington Term Facility [Member] Gold put options purchased [Member] Put Option [Member] USD ($) | Jun. 30, 2014 Derivative Instruments Settle in Year One [Member] Kensington Term Facility [Member] Silver put options purchased [Member] Put Option [Member] USD ($) | Jun. 30, 2014 Derivative Financial Instruments, Assets [Member] Gold put options purchased [Member] oz | Jun. 30, 2014 Derivative Financial Instruments, Assets [Member] Silver put options purchased [Member] oz | Jun. 30, 2014 Derivative Instruments Settle in Year Two [Member] Gold Put Option [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year Two [Member] Silver concentrate sales agreements [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year Two [Member] Gold concentrates sales agreements [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year Two [Member] Mexico Peso Put Options [Member] MXN oz | Jun. 30, 2014 Derivative Instruments Settle in Year Two [Member] Gold put options purchased [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year Two [Member] Silver put options purchased [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year Two [Member] Silver Put Options Sold [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year Three [Member] Gold Put Option [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year Three [Member] Silver concentrate sales agreements [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year Three [Member] Gold concentrates sales agreements [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year Three [Member] Mexico Peso Put Options [Member] MXN oz | Jun. 30, 2014 Derivative Instruments Settle in Year Three [Member] Gold put options purchased [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year Three [Member] Silver put options purchased [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle in Year Three [Member] Silver Put Options Sold [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle Thereafter [Member] Gold Put Option [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle Thereafter [Member] Silver concentrate sales agreements [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle Thereafter [Member] Gold concentrates sales agreements [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle Thereafter [Member] Mexico Peso Put Options [Member] MXN oz | Jun. 30, 2014 Derivative Instruments Settle Thereafter [Member] Gold put options purchased [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle Thereafter [Member] Silver put options purchased [Member] USD ($) oz | Jun. 30, 2014 Derivative Instruments Settle Thereafter [Member] Silver Put Options Sold [Member] USD ($) oz | Jun. 30, 2014 Prepaid Expenses and Other Current Assets [Member] USD ($) | Dec. 31, 2013 Prepaid Expenses and Other Current Assets [Member] USD ($) | Jun. 30, 2014 Prepaid Expenses and Other Current Assets [Member] Palmarejo gold production royalty [Member] USD ($) | Dec. 31, 2013 Prepaid Expenses and Other Current Assets [Member] Palmarejo gold production royalty [Member] USD ($) | Jun. 30, 2014 Prepaid Expenses and Other Current Assets [Member] Forward foreign exchange contracts [Member] USD ($) | Dec. 31, 2013 Prepaid Expenses and Other Current Assets [Member] Forward foreign exchange contracts [Member] USD ($) | Jun. 30, 2014 Prepaid Expenses and Other Current Assets [Member] Gold Put Purchase and Call Sold Options Net [Member] USD ($) | Dec. 31, 2013 Prepaid Expenses and Other Current Assets [Member] Gold Put Purchase and Call Sold Options Net [Member] USD ($)
Additional Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Life of Mine Production, Percentage |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Asian Put Options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000 | $ 100,000
Payment made for gold on the end of royalty obligation |  |  |  |  |  |  |  |  | 4,167 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty Guarantees, Commitments, Ounces of Gold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total gold remain outstanding |  |  |  |  |  |  |  |  | 110,240 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value Assumptions, Risk Free Interest Rate | 6.10% | 4.20% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value liability of the embedded derivative |  |  |  | 44,000,000 |  | 44,000,000 |  | 40,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company recognized Mark to Market loss |  |  |  | (5,100,000) |  | (15,300,000) | (75,500,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company recognized Mark to Market gain |  |  |  |  | 61,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Gold Production |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Average Gold Price in Excess of Minimum Contractual Deduction Rate | 408 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual Inflation Compounding Adjustment |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Realized losses |  |  |  | (5,500,000) | (8,100,000) | (11,700,000) | (17,200,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts of MXP |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 23,000,000 |  | 23,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average exchange rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 12.21 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average exchange rate of MXP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14.80 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12.60 |  | 14.97 |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  | 0 |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |
Fair value of foreign exchange contracts |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Average Exchange Rate Floor |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12.60 | 12.60 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (45,000,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (52,500,000) | (3,253,000) | (14,865,000) | (60,000,000) | (45,000,000) | (40,000,000) |  |  |  |  |  |  |  |  |  | (25,200,000) | 0 | 0 |  | (28,800,000) | (22,500,000) | (20,000,000) | 0 | 0 | 0 |  | 0 | 0 | 0 | 0 | 0 | 0 |  | 0 | 0 | 0 |  |  |  |  |  |  |  |
Mark-to-market gains and (losses) on forward foreign exchange contract |  |  |  |  |  |  |  |  |  |  | 0 | (200,000) | 900,000 | (800,000) |  |  |  |  |  |  |  | 200,000 | 700,000 | 400,000 | 1,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Liability, Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 291,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted Average Call Feature of Each Collar |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted Average Put Feature of Each Collar |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract expiration date |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional ounces |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000 | 2,500,000 |  | 289,800,000 | 289,800,000 | 344,310,000 | 344,310,000 |  |  |  | 74,000 | 3,750,000 |  | 0 | 0 | 0 | 24,000 | 1,250,000 |  |  | 0 | 0 | 0 | 0 | 0 |  |  | 0 | 0 | 0 | 0 | 0 |  |  |  |  |  |  |  |  |
Average strike price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,050 |  |  |  | 18.00 | 16.00 |  |  |  |  | 1,200 |  |  |  |  | 1,050 |  |  |  | 1,200 | 18.00 | 16.00 | 0 |  |  |  | 0 | 0 | 0 | 0 |  |  |  | 0 | 0 | 0 |  |  |  |  |  |  |  |
Unrealized gain (loss) |  |  |  |  |  |  |  |  |  |  | 0 | (700,000) | 1,000,000 | (1,500,000) |  |  |  |  |  |  |  | (1,400,000) | 6,400,000 | (2,900,000) | 10,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of the contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,298,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,539,000 | 184,000 |  |  | 49,000 | 38,000 | 1,298,000 | 135,000
Outstanding Put Options of Gold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,000 |  |  |  | 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,000 |  |  |  |  |  |  | 0 |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted Average Strike Price of Put Options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,150 | 17.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding Put Options of Silver |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,250,000 |  |  |  |  |  |  |  |  | 2,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,250,000 |  |  |  |  |  |  | 0 |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |
Sales of Metals |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,000 | $ (667,000) | $ 872,000 | $ (2,422,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments and Fair Value of Financial Instruments (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding provisionally priced sales consists of silver |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 162,724 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding provisionally priced sales consists of Gold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,559 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Average Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 19.99 | 1,286 |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  |  |  |  | 0 | 0 |  |  |  |  |  | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |

X
- Details
Name: | cde_AdditionalDerivativeFinancialInstrumentsAndFairValueOfFinancialInstrumentsTextualAbstract
Namespace Prefix: | cde_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Annual Inflation Compounding Adjustment + References No definition available. + Details
Name: | cde_AnnualInflationCompoundingAdjustment
Namespace Prefix: | cde_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Contract Date of Expiration + References No definition available. + Details
Name: | cde_ContractDateofExpiration
Namespace Prefix: | cde_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Derivative Average Forward Contract Exchange Rate + References No definition available. + Details
Name: | cde_DerivativeAverageForwardContractExchangeRate
Namespace Prefix: | cde_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Derivative Average Gold Price In Excess Of Minimum Contractual Deduction Rate. + References No definition available. + Details
Name: | cde_DerivativeAverageGoldPriceInExcessOfMinimumContractualDeductionRate
Namespace Prefix: | cde_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Derivative Average Price. + References No definition available. + Details
Name: | cde_DerivativeAveragePrice
Namespace Prefix: | cde_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | cde_DerivativeFinancialInstrumentsAndFairValueOfFinancialInstrumentsTextualAbstract
Namespace Prefix: | cde_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Derivative Instrument, Weighted Average Exchange Rate + References No definition available. + Details
Name: | cde_DerivativeInstrumentWeightedAverageExchangeRate
Namespace Prefix: | cde_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair Value, Asian Put Options + References No definition available. + Details
Name: | cde_FairValueAsianPutOptions
Namespace Prefix: | cde_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Foreign exchange contracts of MXP. + References No definition available. + Details
Name: | cde_ForeignExchangeContractsOfMxp
Namespace Prefix: | cde_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Further payment made on number of additional Ounces of Gold. + References No definition available. + Details
Name: | cde_FurtherPaymentMadeOnNumberOfAdditionalOuncesOfGold
Namespace Prefix: | cde_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | instant

X
- Definition Life of Mine Production, Percentage + References No definition available. + Details
Name: | cde_LifeOfMineProductionPercentage
Namespace Prefix: | cde_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Minimum obligation paid in monthly payments. + References No definition available. + Details
Name: | cde_MinimumObligationPaidInMonthlyPayments
Namespace Prefix: | cde_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | instant

X
- Definition Outstanding provisionally priced sales consists of Gold. + References No definition available. + Details
Name: | cde_OutstandingProvisionallyPricedSalesConsistsOfGold
Namespace Prefix: | cde_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | instant

X
- Definition Outstanding provisionally priced sales consists of silver. + References No definition available. + Details
Name: | cde_OutstandingProvisionallyPricedSalesConsistsOfSilver
Namespace Prefix: | cde_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | instant

X
- Definition Outstanding put options of gold. + References No definition available. + Details
Name: | cde_OutstandingPutOptionsOfGold
Namespace Prefix: | cde_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | instant

X
- Definition Outstanding Put Options of Silver. + References No definition available. + Details
Name: | cde_OutstandingPutOptionsofSilver
Namespace Prefix: | cde_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of Gold Production + References No definition available. + Details
Name: | cde_PercentageOfGoldProduction
Namespace Prefix: | cde_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Royalty Guarantees, Commitments, Ounces of Gold + References No definition available. + Details
Name: | cde_RoyaltyGuaranteesCommitmentsOuncesOfGold
Namespace Prefix: | cde_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Sales of metals. + References No definition available. + Details
Name: | cde_SalesOfMetals
Namespace Prefix: | cde_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Weighted average call feature of each collar. + References No definition available. + Details
Name: | cde_WeightedAverageCallFeatureOfEachCollar
Namespace Prefix: | cde_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Weighted average put feature of each collar. + References No definition available. + Details
Name: | cde_WeightedAveragePutFeatureOfEachCollar
Namespace Prefix: | cde_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Weighted Average Strike Price Of Put Options. + References No definition available. + Details
Name: | cde_WeightedAverageStrikePriceofPutOptions
Namespace Prefix: | cde_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNonmonetaryNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Average floor rate on a group of foreign currency derivatives for example, but not limited to, floors or collars. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageExchangeRateFloor1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition The average strike price on the group of price risk option contracts such as put options or call options. + References No definition available. + Details
Name: | us-gaap_DerivativeAveragePriceRiskOptionStrikePrice
Namespace Prefix: | us-gaap_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226000-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226000-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13495-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
Name: | us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of decrease in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
Name: | us-gaap_DerivativeLossOnDerivative
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
Name: | us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Increase in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
Name: | us-gaap_EmbeddedDerivativeGainOnEmbeddedDerivative
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
Name: | us-gaap_EmbeddedDerivativeLossOnEmbeddedDerivative
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Risk-free interest rate assumption used in valuing an instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssumptionsRiskFreeInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_UnrealizedGainLossOnDerivatives
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration