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Supplemental Guarantor Information Condensed Consolidated Statements of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |
Revenues |  | $ 176,247 | $ 162,552 |  | $ 506,641 | $ 481,770 |
Impairment of equity securities |  | 0 | 483 |  | 20 | 2,028 |
Costs applicable to sales | [1] | 105,408 | 120,237 | [2] | 307,428 | 354,397 | [3]
Amortization |  | 27,763 | 35,497 |  | 93,232 | 107,560 |
General and Administrative Expense |  | 7,113 | 6,694 |  | 22,789 | 23,979 |
Exploration Expense, Mining |  | 3,706 | 2,112 |  | 7,669 | 9,957 |
Write-downs |  | 0 | 0 |  | 4,446 | 0 |
Pre-development, reclamation, and other |  | 4,491 | 4,938 |  | 13,059 | 13,968 |
Total costs and expenses |  | 148,481 | 169,478 |  | 448,623 | 509,861 |
Gain (loss) on derivative instruments |  | (961) | 5,786 |  | (13,235) | 3,657 |
Other, net |  | (3,635) | (8,893) |  | (4,178) | (14,257) |
Interest expense, net |  | (8,068) | (12,446) |  | (30,063) | (33,945) |
Total other income (expense), net |  | (12,664) | (15,553) |  | (47,476) | (44,545) |
Income (loss) before income and mining taxes |  | 15,102 | (22,479) |  | 10,542 | (72,636) |
Income and mining tax benefit (expense) |  | 54,455 | 8,260 |  | 53,118 | 8,451 |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  | 69,557 | (14,219) |  | 63,660 | (64,185) |
Income (Loss) from Equity Method Investments |  | 0 | 0 |  | 0 | 0 |
NET INCOME (LOSS) |  | 69,557 | (14,219) |  | 63,660 | (64,185) |
Unrealized gain (loss) on available for sale securities |  | 1,387 | (931) |  | 4,533 | (3,744) |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax |  | 0 | 483 |  | 20 | 2,028 |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  | (2,965) | 0 |  | (2,691) | 904 |
Other comprehensive income (loss) |  | (1,578) | (448) |  | 1,862 | (812) |
COMPREHENSIVE INCOME (LOSS) |  | 67,979 | (14,667) |  | 65,522 | (64,997) |
Coeur Mining, Inc. |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |
Revenues |  | 0 | 0 |  | 0 | 0 |
Costs applicable to sales |  | 0 | 0 |  | 0 | 0 |
Amortization |  | 389 | 495 |  | 1,225 | 1,493 |
General and Administrative Expense |  | 6,956 | 6,563 |  | 22,132 | 23,690 |
Exploration Expense, Mining |  | 989 | 642 |  | 2,091 | 1,796 |
Write-downs |  |  |  |  | 0 |  |
Pre-development, reclamation, and other |  | 388 | 887 |  | 1,774 | 3,437 |
Total costs and expenses |  | 8,722 | 8,587 |  | 27,222 | 30,416 |
Gain (loss) on derivative instruments |  | 0 | 1,036 |  | (1,635) | 1,178 |
Other, net |  | (8,374) | 1,218 |  | (6,695) | 3,108 |
Interest expense, net |  | (7,852) | (11,198) |  | (28,348) | (29,389) |
Total other income (expense), net |  | (16,226) | (8,944) |  | (36,678) | (25,103) |
Income (loss) before income and mining taxes |  | (24,948) | (17,531) |  | (63,900) | (55,519) |
Income and mining tax benefit (expense) |  | (29,312) | 516 |  | (29,768) | 4,011 |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  | (54,260) | (17,015) |  | (93,668) | (51,508) |
Income (Loss) from Equity Method Investments |  | 123,818 | 2,796 |  | 157,328 | (12,677) |
NET INCOME (LOSS) |  | 69,558 | (14,219) |  | 63,660 | (64,185) |
Unrealized gain (loss) on available for sale securities |  | 1,387 | (931) |  | 4,533 | (3,744) |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax |  | 0 | 483 |  | 20 | 2,028 |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  | (2,965) | 0 |  | (2,691) | 904 |
Other comprehensive income (loss) |  | (1,578) | (448) |  | 1,862 | (812) |
COMPREHENSIVE INCOME (LOSS) |  | 67,980 | (14,667) |  | 65,522 | (64,997) |
Guarantor Subsidiaries |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |
Revenues |  | 117,426 | 93,417 |  | 317,587 | 281,724 |
Costs applicable to sales |  | 68,189 | 68,187 |  | 189,227 | 197,475 |
Amortization |  | 19,750 | 21,083 |  | 57,983 | 61,422 |
General and Administrative Expense |  | 16 | 11 |  | 237 | 25 |
Exploration Expense, Mining |  | 1,410 | (96) |  | 2,843 | 3,370 |
Write-downs |  |  |  |  | 0 |  |
Pre-development, reclamation, and other |  | 1,470 | 1,476 |  | 4,332 | 4,354 |
Total costs and expenses |  | 90,835 | 90,661 |  | 254,622 | 266,646 |
Gain (loss) on derivative instruments |  | (852) | 1,751 |  | (5,787) | 596 |
Other, net |  | 3,021 | (436) |  | 3,082 | (2,892) |
Interest expense, net |  | (209) | (220) |  | (665) | (771) |
Total other income (expense), net |  | 1,960 | 1,095 |  | (3,370) | (3,067) |
Income (loss) before income and mining taxes |  | 28,551 | 3,851 |  | 59,595 | 12,011 |
Income and mining tax benefit (expense) |  | 41,807 | (1,554) |  | 39,905 | (2,836) |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  | 70,358 | 2,297 |  | 99,500 | 9,175 |
Income (Loss) from Equity Method Investments |  | 328 | 331 |  | (4,825) | 491 |
NET INCOME (LOSS) |  | 70,686 | 2,628 |  | 94,675 | 9,666 |
Unrealized gain (loss) on available for sale securities |  | 1,387 | (769) |  | 4,466 | (2,751) |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax |  | 0 | 483 |  | 20 | 2,028 |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  | (2,485) | 0 |  | (3,181) | 904 |
Other comprehensive income (loss) |  | (1,098) | (286) |  | 1,305 | 181 |
COMPREHENSIVE INCOME (LOSS) |  | 69,588 | 2,342 |  | 95,980 | 9,847 |
Non-Guarantor Subsidiaries |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |
Revenues |  | 58,821 | 69,135 |  | 189,054 | 200,046 |
Costs applicable to sales |  | 37,219 | 52,050 |  | 118,201 | 156,922 |
Amortization |  | 7,624 | 13,919 |  | 34,024 | 44,645 |
General and Administrative Expense |  | 141 | 120 |  | 420 | 264 |
Exploration Expense, Mining |  | 1,307 | 1,566 |  | 2,735 | 4,791 |
Write-downs |  |  |  |  | 4,446 |  |
Pre-development, reclamation, and other |  | 2,633 | 2,575 |  | 6,953 | 6,177 |
Total costs and expenses |  | 48,924 | 70,230 |  | 166,779 | 212,799 |
Gain (loss) on derivative instruments |  | (109) | 2,999 |  | (5,813) | 1,883 |
Other, net |  | 3,178 | (8,649) |  | 3,068 | (11,681) |
Interest expense, net |  | (1,467) | (2,054) |  | (4,683) | (6,577) |
Total other income (expense), net |  | 1,602 | (7,704) |  | (7,428) | (16,375) |
Income (loss) before income and mining taxes |  | 11,499 | (8,799) |  | 14,847 | (29,128) |
Income and mining tax benefit (expense) |  | 41,960 | 9,298 |  | 42,981 | 7,276 |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  | 53,459 | 499 |  | 57,828 | (21,852) |
Income (Loss) from Equity Method Investments |  | 0 | 0 |  | 0 | 0 |
NET INCOME (LOSS) |  | 53,459 | 499 |  | 57,828 | (21,852) |
Unrealized gain (loss) on available for sale securities |  | 0 | 0 |  | 0 | 0 |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax |  | 0 | 0 |  | 0 | 0 |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  | 0 | 0 |  | 0 | 0 |
Other comprehensive income (loss) |  | 0 | 0 |  | 0 | 0 |
COMPREHENSIVE INCOME (LOSS) |  | 53,459 | 499 |  | 57,828 | (21,852) |
Eliminations |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |
Revenues |  | 0 | 0 |  | 0 | 0 |
Costs applicable to sales |  | 0 | 0 |  | 0 | 0 |
Amortization |  | 0 | 0 |  | 0 | 0 |
General and Administrative Expense |  | 0 | 0 |  | 0 | 0 |
Exploration Expense, Mining |  | 0 | 0 |  | 0 | 0 |
Write-downs |  |  |  |  | 0 |  |
Pre-development, reclamation, and other |  | 0 | 0 |  | 0 | 0 |
Total costs and expenses |  | 0 | 0 |  | 0 | 0 |
Gain (loss) on derivative instruments |  | 0 | 0 |  | 0 | 0 |
Other, net |  | (1,460) | (1,026) |  | (3,633) | (2,792) |
Interest expense, net |  | 1,460 | 1,026 |  | 3,633 | 2,792 |
Total other income (expense), net |  | 0 | 0 |  | 0 | 0 |
Income (loss) before income and mining taxes |  | 0 | 0 |  | 0 | 0 |
Income and mining tax benefit (expense) |  | 0 | 0 |  | 0 | 0 |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  | 0 | 0 |  | 0 | 0 |
Income (Loss) from Equity Method Investments |  | (124,146) | (3,127) |  | (152,503) | 12,186 |
NET INCOME (LOSS) |  | (124,146) | (3,127) |  | (152,503) | 12,186 |
Unrealized gain (loss) on available for sale securities |  | (1,387) | 769 |  | (4,466) | 2,751 |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax |  | 0 | (483) |  | (20) | (2,028) |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  | 2,485 | 0 |  | 3,181 | (904) |
Other comprehensive income (loss) |  | 1,098 | 286 |  | (1,305) | (181) |
COMPREHENSIVE INCOME (LOSS) |  | $ (123,048) | $ (2,841) |  | $ (153,808) | $ 12,005 |
[1] | Excludes amortization.
[2] | Excludes amortization
[3] | Excludes amortization

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