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Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Accumulated Deficit | Accumulated Other Comprehensive Income (Loss) | JDS Silver [Member] | JDS Silver [Member] Common Stock | JDS Silver [Member] Additional Paid-In Capital
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balances at Dec. 31, 2016 | $ 768,487 | $ 1,809 | $ 3,314,590 | $ (2,545,424) | $ (2,488) |  |  |
Balances, in shares at Dec. 31, 2016 |  | 180,933 |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
NET INCOME (LOSS) | (1,319) |  |  | (1,319) |  |  |  |
Other comprehensive income (loss) | 5,007 |  |  |  | 5,007 |  |  |
Stock Issued During Period, Shares, Acquisitions |  |  |  |  |  |  | 4,192 |
Stock Issued During Period, Value, Acquisitions |  |  |  |  |  | $ 36,007 | $ 42 | $ 35,965
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures |  | 513 |  |  |  |  |  |
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures | 6,795 | $ 5 | 6,790 |  |  |  |  |
Balances at Dec. 31, 2017 | 814,977 | $ 1,856 | 3,357,345 | (2,546,743) | 2,519 |  |  |
Balances, in shares at Dec. 31, 2017 |  | 185,638 |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
NET INCOME (LOSS) | (48,405) |  |  | (48,405) |  |  |  |
Other comprehensive income (loss) | 26 |  |  |  | 26 |  |  |
Stock Issued During Period, Shares, Acquisitions |  |  |  |  |  |  | 16,390 |
Stock Issued During Period, Value, Acquisitions |  |  |  |  |  | 82,668 | $ 163 | 82,505
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures |  | 1,282 |  |  |  |  |  |
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures | 3,246 | $ 14 | 3,232 |  |  |  |  |
Balances at Dec. 31, 2018 | 852,512 | $ 2,033 | 3,443,082 | (2,592,544) | (59) |  |  |
Balances, in shares at Dec. 31, 2018 |  | 203,310 |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Adoption of new accounting standard |  |  |  | 2,604 | (2,604) |  |  |
NET INCOME (LOSS) | (341,203) |  |  | (341,203) |  |  |  |
Other comprehensive income (loss) | (77) |  |  |  | (77) |  |  |
Stock Issued During Period, Shares, Acquisitions |  |  |  |  |  |  | 953 |
Stock Issued During Period, Value, Acquisitions |  |  |  |  |  | $ 5,973 | $ 8 | $ 5,965
Stock Issued During Period, Shares, Extinguishment of Debt |  | 4,453 |  |  |  |  |  |
Stock Issued During Period, Value, Extinguishment of Debt | 21,291 | $ 45 | 21,246 |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  | 30,850 |  |  |  |  |  |
Stock Issued During Period, Value, New Issues | 122,832 | $ 309 | 122,523 |  |  |  |  |
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures |  | 1,963 |  |  |  |  |  |
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures | 5,676 | $ 20 | 5,656 |  |  |  |  |
Balances at Dec. 31, 2019 | 667,004 | $ 2,415 | $ 3,598,472 | $ (2,933,747) | $ (136) |  |  |
Balances, in shares at Dec. 31, 2019 |  | 241,529 |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Adoption of new accounting standard | $ 65,000 |  |  |  |  |  |  |

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