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Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Total Revenue | $ 164,562 |  | $ 204,525 |  | $ 324,195 |  | $ 376,322 |  |
Costs applicable to sales | 118,687 | [1] | 142,386 | [1] | 225,583 | [1] | 230,444 | [1] |
Amortization | 41,422 |  | 56,894 |  | 81,849 |  | 106,589 |  |
Exploration | 5,153 |  | 6,774 |  | 9,370 |  | 13,615 |  |
Loss Related to Litigation Settlement | 0 |  | 32,046 |  | 0 |  | 32,046 |  |
Interest and other income | (116) |  | 419 |  | (2,100) |  | 4,275 |  |
Interest expense, net | (12,310) |  | (10,930) |  | (25,365) |  | (20,662) |  |
Loss on termination of revolving credit facility | 0 |  | 0 |  | (3,035) |  | 0 |  |
Fair value adjustments, net | (8,282) |  | 66,754 |  | (19,717) |  | 84,550 |  |
Income tax benefit (expense) | (2,621) |  | (23,673) |  | 2,068 |  | (34,918) |  |
Net income (loss) | (43,121) |  | (35,040) |  | (80,312) |  | (22,770) |  |
Assets, Net | 2,571,728 |  |  |  | 2,571,728 |  |  |  | 2,595,408
Capital expenditures | 15,356 |  | 27,201 |  | 27,292 |  | 40,028 |  |
Palmarejo [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Costs applicable to sales | 49,551 |  | 55,218 |  | 93,126 |  | 81,937 |  |
Amortization | 18,044 |  | 35,384 |  | 36,702 |  | 64,166 |  |
Exploration | 1,637 |  | 3,189 |  | 2,642 |  | 5,170 |  |
Loss Related to Litigation Settlement |  |  | 0 |  |  |  | 0 |  |
Other operating expenses | 325 |  | 173 |  | 622 |  | 341 |  |
Interest and other income | (1,202) |  | (428) |  | (2,772) |  | 1,514 |  |
Interest expense, net | (2,771) |  | (4,190) |  | (5,595) |  | (7,928) |  |
Fair value adjustments, net | (4,989) |  | 61,066 |  | (15,225) |  | 75,494 |  |
Income tax benefit (expense) | 1,342 |  | (17,282) |  | 5,171 |  | (20,816) |  |
Net income (loss) | (4,731) |  | 31,419 |  | (11,079) |  | 40,293 |  |
Assets, Net | 1,133,851 | [2] | 1,860,240 | [2] | 1,133,851 | [2] | 1,860,240 | [2] |
Capital expenditures | 5,589 | [3] | 9,166 | [3] | 9,331 | [3] | 14,480 | [3] |
San Bartolome [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales |  |  |  |  | 56,632 |  | 82,377 |  |
Royalties |  |  |  |  | 0 |  | 0 |  |
Costs applicable to sales | 20,695 |  | 32,815 |  | 39,595 |  | 48,494 |  |
Amortization | 4,855 |  | 4,824 |  | 9,313 |  | 9,464 |  |
Exploration | 57 |  | 27 |  | 82 |  | 79 |  |
Loss Related to Litigation Settlement |  |  | 0 |  |  |  | 0 |  |
Other operating expenses | 194 |  | 117 |  | 335 |  | 3,954 |  |
Interest and other income | 691 |  | 683 |  | 1,373 |  | 1,288 |  |
Interest expense, net | (11) |  | (14) |  | (31) |  | (46) |  |
Fair value adjustments, net | 0 |  | 0 |  | 0 |  | 0 |  |
Income tax benefit (expense) | (2,204) |  | (4,506) |  | (4,969) |  | (8,834) |  |
Net income (loss) | 1,753 |  | 7,616 |  | 3,680 |  | 12,794 |  |
Assets, Net | 309,565 | [2] | 286,325 | [2] | 309,565 | [2] | 286,325 | [2] |
Capital expenditures | 1,711 | [3] | 3,159 | [3] | 3,152 | [3] | 3,616 | [3] |
Kensington [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 29,018 |  | 30,851 |  | 65,079 |  | 70,126 |  |
Royalties | 0 |  | 0 |  | 0 |  | 0 |  |
Total Revenue | 29,018 |  | 30,851 |  | 65,079 |  | 70,126 |  |
Costs applicable to sales | 23,218 |  | 30,154 |  | 51,749 |  | 53,718 |  |
Amortization | 11,566 |  | 13,159 |  | 22,275 |  | 26,445 |  |
Exploration | 1,636 |  | 563 |  | 2,680 |  | 1,235 |  |
Loss Related to Litigation Settlement |  |  | 0 |  |  |  | 0 |  |
Other operating expenses | 199 |  | 236 |  | 390 |  | 412 |  |
Interest and other income | 4 |  | 150 |  | 4 |  | 281 |  |
Interest expense, net | (53) |  | (95) |  | (75) |  | (354) |  |
Fair value adjustments, net | 0 |  | 6,350 |  | 0 |  | 10,577 |  |
Income tax benefit (expense) | 0 |  | 0 |  | 0 |  | (1) |  |
Net income (loss) | (7,650) |  | (6,856) |  | (12,086) |  | (1,181) |  |
Assets, Net | 331,151 | [2] | 485,215 | [2] | 331,151 | [2] | 485,215 | [2] |
Capital expenditures | 3,989 | [3] | 7,406 | [3] | 8,700 | [3] | 10,736 | [3] |
Rochester [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 31,193 |  | 34,903 |  | 55,347 |  | 74,377 |  |
Royalties | 0 |  | 0 |  | 0 |  | 0 |  |
Total Revenue | 31,193 |  | 34,903 |  | 55,347 |  | 74,377 |  |
Costs applicable to sales | 24,381 |  | 22,516 |  | 39,089 |  | 43,293 |  |
Amortization | 5,025 |  | 1,989 |  | 9,476 |  | 3,842 |  |
Exploration | 738 |  | 512 |  | 1,912 |  | 996 |  |
Loss Related to Litigation Settlement |  |  | 32,046 |  |  |  | (32,046) |  |
Other operating expenses | 844 |  | 2,466 |  | 2,189 |  | 2,938 |  |
Interest and other income | 32 |  | 0 |  | 51 |  | 57 |  |
Interest expense, net | (261) |  | (5) |  | (266) |  | (11) |  |
Fair value adjustments, net | (1,837) |  | 0 |  | (2,510) |  | 0 |  |
Income tax benefit (expense) | (419) |  | (538) |  | (419) |  | (1,264) |  |
Net income (loss) | (2,280) |  | (25,169) |  | (463) |  | (9,956) |  |
Assets, Net | 206,665 | [2] | 122,917 | [2] | 206,665 | [2] | 122,917 | [2] |
Capital expenditures | 3,956 | [3] | 6,596 | [3] | 4,915 | [3] | 9,894 | [3] |
La Preciosa [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 0 |  | 0 |  | 0 |  | 0 |  |
Royalties | 0 |  | 0 |  | 0 |  | 0 |  |
Total Revenue | 0 |  | 0 |  | 0 |  | 0 |  |
Costs applicable to sales | 0 |  | 0 |  | 0 |  | 0 |  |
Amortization | 22 |  | 2 |  | 41 |  | 2 |  |
Exploration | 26 |  | 690 |  | 210 |  | 690 |  |
Loss Related to Litigation Settlement |  |  | 0 |  |  |  | 0 |  |
Other operating expenses | 5,711 |  | 0 |  | 10,668 |  | 0 |  |
Interest and other income | 118 |  | (11) |  | (17) |  | (11) |  |
Interest expense, net | 0 |  | 0 |  | 0 |  | 0 |  |
Fair value adjustments, net | 0 |  | 0 |  | 0 |  | 0 |  |
Income tax benefit (expense) | (1,159) |  | 0 |  | (1,271) |  | 0 |  |
Net income (loss) | (6,800) |  | (703) |  | (12,207) |  | (703) |  |
Assets, Net | 412,226 | [2] | 409,458 | [2] | 412,226 | [2] | 409,458 | [2] |
Capital expenditures | 3 | [3] | 735 | [3] | 141 | [3] | 735 | [3] |
Coeur Capital [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 1,971 |  | 3,479 |  | 4,860 |  | 6,461 |  |
Royalties | 856 |  | 0 |  | 1,843 |  | 0 |  |
Total Revenue | 2,827 |  | 3,479 |  | 6,703 |  | 6,461 |  |
Costs applicable to sales | 842 |  | 1,683 |  | 2,024 |  | 3,002 |  |
Amortization | 1,419 |  | 1,224 |  | 3,121 |  | 2,052 |  |
Exploration | 109 |  | 322 |  | 312 |  | 630 |  |
Loss Related to Litigation Settlement |  |  | 0 |  |  |  | 0 |  |
Other operating expenses | 263 |  | (191) |  | 504 |  | (245) |  |
Interest and other income | (964) |  | 91 |  | (3,512) |  | 138 |  |
Interest expense, net | 0 |  | 0 |  | 0 |  | 0 |  |
Fair value adjustments, net | 0 |  | 0 |  | 0 |  | 0 |  |
Income tax benefit (expense) | 263 |  | (191) |  | (25) |  | (245) |  |
Net income (loss) | (507) |  | 341 |  | (2,795) |  | 915 |  |
Assets, Net | 67,864 | [2] | 31,493 | [2] | 67,864 | [2] | 31,493 | [2] |
Capital expenditures | 0 |  | 0 |  | 0 |  | 0 |  |
Other Mining Properties [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 0 |  | (161) |  | 0 |  | (662) |  |
Royalties | 0 |  | 0 |  | 0 |  | 0 |  |
Total Revenue | 0 |  | (161) |  | 0 |  | (662) |  |
Costs applicable to sales | 0 |  | 0 |  | 0 |  | 0 |  |
Amortization | 491 |  | 312 |  | 921 |  | 618 |  |
Exploration | 950 |  | 1,471 |  | 1,532 |  | 4,815 |  |
Loss Related to Litigation Settlement |  |  | 0 |  |  |  | 0 |  |
Other operating expenses | 10,622 |  | 14,042 |  | 24,361 |  | 25,016 |  |
Interest and other income | 271 |  | (17,258) |  | (749) |  | (16,219) |  |
Interest expense, net | (9,214) |  | (6,626) |  | (19,398) |  | (12,323) |  |
Fair value adjustments, net | (1,456) |  | (662) |  | (1,982) |  | (1,521) |  |
Income tax benefit (expense) | (444) |  | (1,156) |  | 3,581 |  | (3,758) |  |
Net income (loss) | (22,906) |  | (41,688) |  | (45,362) |  | (64,932) |  |
Assets, Net | 110,406 |  | 108,954 |  | 110,406 |  | 108,954 |  |
Capital expenditures | 108 |  | 139 |  | 1,053 |  | 567 |  |
Total [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 163,706 |  | 204,525 |  | 322,352 |  | 376,322 |  |
Royalties | 856 |  | 0 |  | 1,843 |  | 0 |  |
Total Revenue | 164,562 |  | 204,525 |  | 324,195 |  |  |  |
Costs applicable to sales |  |  | 142,386 |  | 225,583 |  |  |  |
Amortization |  |  | 56,894 |  | 81,849 |  |  |  |
Exploration | 5,153 |  | 6,774 |  |  |  |  |  |
Loss Related to Litigation Settlement |  |  | 32,046 |  |  |  |  |  |
Other operating expenses | 18,158 |  | 16,843 |  | 39,069 |  | 32,416 |  |
Interest and other income | (1,050) |  | (16,773) |  | (5,622) |  | (12,952) |  |
Interest expense, net | (12,310) |  | (10,930) |  |  |  |  |  |
Fair value adjustments, net | (8,282) |  | 66,754 |  |  |  |  |  |
Net income (loss) | (43,121) |  | (35,040) |  |  |  | (22,770) |  |
Assets, Net |  |  | 3,304,602 | [2] |  |  | 3,304,602 | [2] |
Capital expenditures | 15,356 |  | 27,201 |  | 27,292 |  | 40,028 |  |
Bolivia [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 29,078 |  |  |  |  |  |  |  |
Royalties | 0 |  |  |  |  |  |  |  |
Total Revenue | 29,078 |  | 49,236 |  | 56,632 |  | 82,377 |  |
Bolivia [Member] | San Bartolome [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales |  |  | 49,236 |  |  |  |  |  |
Royalties |  |  | 0 |  |  |  |  |  |
Total Revenue |  |  | 49,236 |  |  |  | 82,377 |  |
Mexico [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Total Revenue | 72,657 |  | 86,217 |  | 141,167 |  | 143,643 |  |
Mexico [Member] | Palmarejo [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 72,446 |  | 86,217 |  | 140,434 |  | 143,643 |  |
Royalties | 0 |  | 0 |  | 0 |  | 0 |  |
Total Revenue | $ 72,446 |  | $ 86,217 |  | $ 140,434 |  | $ 143,643 |  |
[1] | Excludes amortization.
[2] | Excludes amortization
[3] | Segment assets consist of receivables, prepaids, inventories, property, plant and equipment, and mineral interests

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