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Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Total Revenue | $ 170,938 |  | $ 200,825 |  | $ 495,133 |  | $ 577,147 |  |
Costs applicable to sales | 125,910 | [1] | 131,805 | [1] | 351,492 | [1] | 362,250 | [1] |
Amortization | 41,985 |  | 60,097 |  | 123,834 |  | 166,686 |  |
Exploration | 6,587 |  | 3,305 |  | 15,957 |  | 16,920 |  |
Litigation settlement | 0 |  | 0 |  | 0 |  | 32,046 |  |
Interest and other income | (211) |  | (1,791) |  | (2,313) |  | 2,484 |  |
Interest expense, net | (11,616) |  | (9,662) |  | (36,980) |  | (30,324) |  |
Loss on termination of revolving credit facility | 0 |  | 0 |  | (3,035) |  | 0 |  |
Fair value adjustments, net | 16,105 |  | (20,646) |  | (3,611) |  | 63,905 |  |
Income tax benefit (expense) | 16,583 |  | 2,058 |  | 18,650 |  | (32,860) |  |
Net income (loss) | 3,466 |  | (46,265) |  | (76,846) |  | (69,035) |  |
Assets, Net | 2,547,784 |  |  |  | 2,547,784 |  |  |  | 2,595,408
Capital expenditures | 16,784 |  | 32,726 |  | 44,076 |  | 72,754 |  |
Palmarejo [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Costs applicable to sales | 45,988 |  | 66,839 |  | 139,113 |  | 148,776 |  |
Amortization | 16,493 |  | 33,475 |  | 53,196 |  | 97,641 |  |
Exploration | 2,615 |  | 860 |  | 5,257 |  | 6,029 |  |
Litigation settlement |  |  | 0 |  |  |  | 0 |  |
Other operating expenses | 340 |  | 179 |  | 962 |  | 520 |  |
Interest and other income | 284 |  | (2,281) |  | (2,489) |  | (768) |  |
Interest expense, net | (2,126) |  | (2,925) |  | (7,721) |  | (10,853) |  |
Fair value adjustments, net | 8,771 |  | (15,260) |  | (6,454) |  | 60,234 |  |
Income tax benefit (expense) | 11,562 |  | 1,564 |  | 16,734 |  | (17,383) |  |
Net income (loss) | 14,431 |  | (15,731) |  | 3,351 |  | 26,431 |  |
Assets, Net | 1,111,829 | [2] | 1,825,599 | [2] | 1,111,829 | [2] | 1,825,599 | [2] |
Capital expenditures | 5,857 | [3] | 10,290 | [3] | 15,188 | [3] | 24,770 | [3] |
San Bartolome [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales |  |  |  |  | 84,983 |  | 111,196 |  |
Royalties |  |  |  |  | 0 |  | 0 |  |
Costs applicable to sales | 20,447 |  | 17,673 |  | 60,042 |  | 66,165 |  |
Amortization | 5,117 |  | 4,788 |  | 14,430 |  | 14,252 |  |
Exploration | (19) |  | (3) |  | 63 |  | 76 |  |
Litigation settlement |  |  | 0 |  |  |  | 0 |  |
Other operating expenses | 180 |  | 2,090 |  | 515 |  | 6,045 |  |
Interest and other income | 583 |  | 582 |  | 1,957 |  | 1,871 |  |
Interest expense, net | (10) |  | (12) |  | (42) |  | (59) |  |
Fair value adjustments, net | 0 |  | 0 |  | 0 |  | 0 |  |
Income tax benefit (expense) | (2,969) |  | (4,648) |  | (7,937) |  | (13,482) |  |
Net income (loss) | 229 |  | 193 |  | 3,911 |  | 12,988 |  |
Assets, Net | 304,644 | [2] | 289,274 | [2] | 304,644 | [2] | 289,274 | [2] |
Capital expenditures | 2,783 | [3] | 4,166 | [3] | 5,935 | [3] | 7,782 | [3] |
Kensington [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 45,922 |  | 38,927 |  | 111,000 |  | 109,053 |  |
Royalties | 0 |  | 0 |  | 0 |  | 0 |  |
Total Revenue | 45,922 |  | 38,927 |  | 111,000 |  | 109,053 |  |
Costs applicable to sales | 34,668 |  | 27,484 |  | 86,417 |  | 81,203 |  |
Amortization | 12,887 |  | 18,086 |  | 35,162 |  | 44,531 |  |
Exploration | 2,638 |  | 1,496 |  | 5,318 |  | 2,732 |  |
Litigation settlement |  |  | 0 |  |  |  | 0 |  |
Other operating expenses | 202 |  | 98 |  | 591 |  | 510 |  |
Interest and other income | 0 |  | 0 |  | 4 |  | 281 |  |
Interest expense, net | (70) |  | (51) |  | (145) |  | (405) |  |
Fair value adjustments, net | 0 |  | (2,952) |  | 0 |  | 7,626 |  |
Income tax benefit (expense) | 0 |  | 0 |  | 0 |  | (1) |  |
Net income (loss) | (4,543) |  | (11,240) |  | (16,629) |  | (12,422) |  |
Assets, Net | 315,959 | [2] | 481,613 | [2] | 315,959 | [2] | 481,613 | [2] |
Capital expenditures | 3,610 | [3] | 4,934 | [3] | 12,310 | [3] | 15,670 | [3] |
Rochester [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 32,362 |  | 24,259 |  | 87,710 |  | 98,636 |  |
Royalties | 0 |  | 0 |  | 0 |  | 0 |  |
Total Revenue | 32,362 |  | 24,259 |  | 87,710 |  | 98,636 |  |
Costs applicable to sales | 23,718 |  | 17,938 |  | 62,806 |  | 61,231 |  |
Amortization | 5,359 |  | 2,518 |  | 14,835 |  | 6,360 |  |
Exploration | 127 |  | 625 |  | 2,039 |  | 1,621 |  |
Litigation settlement |  |  | 0 |  |  |  | (32,046) |  |
Other operating expenses | (87) |  | 515 |  | 2,102 |  | 3,454 |  |
Interest and other income | 39 |  | 60 |  | 90 |  | 117 |  |
Interest expense, net | (250) |  | (5) |  | (515) |  | (16) |  |
Fair value adjustments, net | 4,345 |  | (2,363) |  | 1,835 |  | (2,363) |  |
Income tax benefit (expense) | (210) |  | 78 |  | (629) |  | (1,186) |  |
Net income (loss) | 7,169 |  | 433 |  | 6,709 |  | (9,524) |  |
Assets, Net | 208,284 | [2] | 161,993 | [2] | 208,284 | [2] | 161,993 | [2] |
Capital expenditures | 4,194 | [3] | 12,267 | [3] | 9,110 | [3] | 22,161 | [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 |  | 11 |  | 63 |  | 12 |  |
Exploration | 20 |  | (645) |  | 229 |  | 19 |  |
Litigation settlement |  |  | 0 |  |  |  | 0 |  |
Other operating expenses | 2,338 |  | 1,933 |  | 13,006 |  | 2,082 |  |
Interest and other income | (209) |  | (71) |  | (226) |  | (84) |  |
Interest expense, net | 0 |  | 0 |  | 0 |  | 0 |  |
Fair value adjustments, net | 0 |  | 0 |  | 0 |  | 0 |  |
Income tax benefit (expense) | 5,305 |  | (20) |  | 4,034 |  | (20) |  |
Net income (loss) | 2,716 |  | (1,390) |  | (9,490) |  | (2,217) |  |
Assets, Net | 412,202 | [2] | 410,085 | [2] | 412,202 | [2] | 410,085 | [2] |
Capital expenditures | 62 | [3] | 358 | [3] | 202 | [3] | 1,093 | [3] |
Coeur Capital [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 2,367 |  | 4,296 |  | 7,227 |  | 10,757 |  |
Royalties | 561 |  | 0 |  | 2,404 |  | 0 |  |
Total Revenue | 2,928 |  | 4,296 |  | 9,631 |  | 10,757 |  |
Costs applicable to sales | 1,089 |  | 1,871 |  | 3,114 |  | 4,875 |  |
Amortization | 1,563 |  | 898 |  | 4,685 |  | 2,950 |  |
Exploration | 150 |  | 184 |  | 462 |  | 814 |  |
Litigation settlement |  |  | 0 |  |  |  | 0 |  |
Other operating expenses | 342 |  | (144) |  | 868 |  | (320) |  |
Interest and other income | (1,480) |  | 26 |  | (4,988) |  | 157 |  |
Interest expense, net | 0 |  | (1) |  | 0 |  | (1) |  |
Fair value adjustments, net | 0 |  | 0 |  | 0 |  | 0 |  |
Income tax benefit (expense) | 214 |  | (604) |  | (304) |  | (1,112) |  |
Net income (loss) | (1,482) |  | 908 |  | (4,790) |  | 1,482 |  |
Assets, Net | 67,934 | [2] | 27,938 | [2] | 67,934 | [2] | 27,938 | [2] |
Capital expenditures | 0 |  | 0 |  | 0 |  | 0 |  |
Other Mining Properties [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 0 |  | 0 |  | 0 |  | (662) |  |
Royalties | 0 |  | 0 |  | 0 |  | 0 |  |
Total Revenue | 0 |  | 0 |  | 0 |  | (662) |  |
Costs applicable to sales | 0 |  | 0 |  | 0 |  | 0 |  |
Amortization | 544 |  | 321 |  | 1,463 |  | 940 |  |
Exploration | 1,056 |  | 788 |  | 2,589 |  | 5,629 |  |
Litigation settlement |  |  | 0 |  |  |  | 0 |  |
Other operating expenses | 9,444 |  | 16,301 |  | 33,784 |  | 41,097 |  |
Interest and other income | (520) |  | (977) |  | (1,275) |  | (17,187) |  |
Interest expense, net | (9,160) |  | (6,668) |  | (28,557) |  | (18,990) |  |
Fair value adjustments, net | 2,989 |  | (71) |  | 1,008 |  | (1,592) |  |
Income tax benefit (expense) | 2,681 |  | 5,688 |  | 6,752 |  | 324 |  |
Net income (loss) | (15,054) |  | (19,438) |  | (59,908) |  | (85,773) |  |
Assets, Net | 126,932 |  | 115,666 |  | 126,932 |  | 115,666 |  |
Capital expenditures | 278 |  | 711 |  | 1,331 |  | 1,278 |  |
Total [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 170,377 |  | 200,825 |  | 492,729 |  | 577,147 |  |
Royalties | 561 |  | 0 |  | 2,404 |  | 0 |  |
Total Revenue | 170,938 |  | 200,825 |  | 495,133 |  |  |  |
Costs applicable to sales |  |  | 131,805 |  | 351,492 |  |  |  |
Amortization |  |  | 60,097 |  | 123,834 |  |  |  |
Exploration | 6,587 |  | 3,305 |  |  |  |  |  |
Litigation settlement |  |  | 0 |  |  |  |  |  |
Other operating expenses | 12,759 |  | 20,972 |  | 51,828 |  | 53,388 |  |
Interest and other income | (1,303) |  | (2,661) |  | (6,927) |  | (15,613) |  |
Interest expense, net | (11,616) |  | (9,662) |  |  |  |  |  |
Fair value adjustments, net | 16,105 |  | (20,646) |  |  |  |  |  |
Net income (loss) | 3,466 |  | (46,265) |  |  |  | (69,035) |  |
Assets, Net |  |  | 3,312,168 | [2] |  |  | 3,312,168 | [2] |
Capital expenditures | 16,784 |  | 32,726 |  | 44,076 |  | 72,754 |  |
Bolivia [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 28,350 |  |  |  |  |  |  |  |
Royalties | 0 |  |  |  |  |  |  |  |
Total Revenue | 28,350 |  | 28,819 |  | 84,983 |  | 111,196 |  |
Bolivia [Member] | San Bartolome [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales |  |  | 28,819 |  |  |  |  |  |
Royalties |  |  | 0 |  |  |  |  |  |
Total Revenue |  |  | 28,819 |  |  |  | 111,196 |  |
Mexico [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Total Revenue | 61,684 |  | 104,524 |  | 202,851 |  | 248,167 |  |
Mexico [Member] | Palmarejo [Member] |  |  |  |  |  |  |  |  |
Financial information relating to reporting segments |  |  |  |  |  |  |  |  |
Metal sales | 61,376 |  | 104,524 |  | 201,809 |  | 248,167 |  |
Royalties | 0 |  | 0 |  | 0 |  | 0 |  |
Total Revenue | $ 61,376 |  | $ 104,524 |  | $ 201,809 |  | $ 248,167 |  |
[1] | Excludes amortization.
[2] | Excludes amortization
[3] | egment assets include receivables, prepaids, inventories, property, plant and equipment, and mineral interests

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