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Supplemental Guarantor Information Condensed Consolidated Statements of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Condensed Financial Statements, Captions [Line Items] |  |  |
Revenue |  | $ 173,167 | $ 154,870
Pre-development, reclamation, and other |  | 6,555 | 4,434
Amortization |  | 36,162 | 41,876
General and administrative |  | 8,920 | 9,474
Fair value adjustments, net |  | (8,819) | 9,120
Other, net |  | 1,881 | 60
Interest expense, net of capitalized interest |  | (5,128) | (6,454)
Total other income (expense), net |  | (12,066) | 2,726
Total |  | (15,839) | (33,552)
Income and mining tax (expense) benefit |  | 3,939 | 8,658
Income (loss) from continuing operations |  | (11,900) | (24,894)
Equity income (loss) in consolidated subsidiaries |  | 0 | 0
Income (loss) from discontinued operations |  | 0 | 5,693
NET INCOME (LOSS) |  | (11,900) | (19,201)
Unrealized gain (loss) on debt securities, net of tax |  | 0 | 59
Reclassification adjustments for impairment of equity securities, net of tax |  | 206 | 0
Other comprehensive income (loss) |  | 206 | 59
COMPREHENSIVE INCOME (LOSS) |  | (11,694) | (19,142)
Operating Expenses |  | 176,940 | 191,148
Eliminations |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Revenue |  | 0 | 0
Pre-development, reclamation, and other |  | 0 | 0
Amortization |  | 0 | 0
General and administrative |  | 0 | 0
Fair value adjustments, net |  | 0 | 0
Other, net |  | (3,727) | (4,303)
Interest expense, net of capitalized interest |  | 3,727 | 4,303
Total other income (expense), net |  | 0 | 0
Total |  | 0 | 0
Income and mining tax (expense) benefit |  | 0 | 0
Income (loss) from continuing operations |  | 0 | 0
Equity income (loss) in consolidated subsidiaries |  | (5,920) | 21,150
Income (loss) from discontinued operations |  | 0 | 0
NET INCOME (LOSS) |  | (5,920) | 21,150
Unrealized gain (loss) on debt securities, net of tax |  | 0 | 0
Reclassification adjustments for impairment of equity securities, net of tax |  | 0 |
COMPREHENSIVE INCOME (LOSS) |  | (5,920) | 21,150
Operating Expenses |  | 0 | 0
Coeur Mining, Inc. |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Revenue |  | 0 | 0
Pre-development, reclamation, and other |  | 18 | 160
Amortization |  | 215 | 221
General and administrative |  | 8,910 | 9,474
Fair value adjustments, net |  | (8,819) | 9,120
Other, net |  | 4,615 | 4,998
Interest expense, net of capitalized interest |  | (4,105) | (5,729)
Total other income (expense), net |  | (8,309) | 8,389
Total |  | (17,732) | (1,802)
Income and mining tax (expense) benefit |  | (218) | (2,077)
Income (loss) from continuing operations |  | (17,950) | (3,879)
Equity income (loss) in consolidated subsidiaries |  | 6,050 | (21,015)
Income (loss) from discontinued operations |  | 0 | 5,693
NET INCOME (LOSS) |  | (11,900) | (19,201)
Unrealized gain (loss) on debt securities, net of tax |  | 0 | 59
Reclassification adjustments for impairment of equity securities, net of tax |  | 206 |
COMPREHENSIVE INCOME (LOSS) |  | (11,694) | (19,142)
Operating Expenses |  | 9,423 | 10,191
Guarantor Subsidiaries |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Revenue |  | 96,944 | 90,699
Pre-development, reclamation, and other |  | 2,616 | 1,943
Amortization |  | 17,415 | 18,445
General and administrative |  | 2 | 0
Fair value adjustments, net |  | 0 | 0
Other, net |  | (9) | 165
Interest expense, net of capitalized interest |  | (736) | (392)
Total other income (expense), net |  | (745) | (227)
Total |  | 6,517 | (3,062)
Income and mining tax (expense) benefit |  | (518) | (32)
Income (loss) from continuing operations |  | 5,999 | (3,094)
Equity income (loss) in consolidated subsidiaries |  | (3,157) | (418)
Income (loss) from discontinued operations |  | 0 | 0
NET INCOME (LOSS) |  | 2,842 | (3,512)
Unrealized gain (loss) on debt securities, net of tax |  | 0 | 0
Reclassification adjustments for impairment of equity securities, net of tax |  | 0 |
COMPREHENSIVE INCOME (LOSS) |  | 2,842 | (3,512)
Operating Expenses |  | 89,682 | 93,534
Non-Guarantor Subsidiaries |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Revenue |  | 76,223 | 64,171
Pre-development, reclamation, and other |  | 3,921 | 2,331
Amortization |  | 18,532 | 23,210
General and administrative |  | 8 | 0
Fair value adjustments, net |  | 0 | 0
Other, net |  | 1,002 | (800)
Interest expense, net of capitalized interest |  | (4,014) | (4,636)
Total other income (expense), net |  | (3,012) | (5,436)
Total |  | (4,624) | (28,688)
Income and mining tax (expense) benefit |  | 4,675 | 10,767
Income (loss) from continuing operations |  | 51 | (17,921)
Equity income (loss) in consolidated subsidiaries |  | 3,027 | 283
Income (loss) from discontinued operations |  | 0 | 0
NET INCOME (LOSS) |  | 3,078 | (17,638)
Unrealized gain (loss) on debt securities, net of tax |  | 0 | 0
Reclassification adjustments for impairment of equity securities, net of tax |  | 0 |
COMPREHENSIVE INCOME (LOSS) |  | 3,078 | (17,638)
Operating Expenses |  | 77,835 | 87,423
Product |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Costs applicable to sales | [1] | 118,917 | 131,650
Product | Eliminations |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Costs applicable to sales |  | 0 | 0
Product | Coeur Mining, Inc. |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Costs applicable to sales |  | 0 | 0
Product | Guarantor Subsidiaries |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Costs applicable to sales |  | 65,286 | 72,022
Product | Non-Guarantor Subsidiaries |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Costs applicable to sales |  | 53,631 | 59,628
Mineral, Exploration |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Costs applicable to sales |  | 6,386 | 3,714
Mineral, Exploration | Eliminations |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Costs applicable to sales |  | 0 | 0
Mineral, Exploration | Coeur Mining, Inc. |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Costs applicable to sales |  | 280 | 336
Mineral, Exploration | Guarantor Subsidiaries |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Costs applicable to sales |  | 4,363 | 1,124
Mineral, Exploration | Non-Guarantor Subsidiaries |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Costs applicable to sales |  | $ 1,743 | $ 2,254
[1] | Excludes amortization.

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