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Pay vs Performance Disclosure - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Pay vs Performance Disclosure |  |  |  |  |
Pay vs Performance Disclosure, Table |
| Pay-versus-Performance Table |
The following table sets forth additional compensation information of our CEO (sometimes referred to as “PEO” for purposes of this section) and our other NEOs along with TSR, net income, and adjusted EBITDA performance results for our fiscal years ended 2024, 2023, 2022, 2021 and 2020. The calculations and analysis below do not necessarily reflect the Company’s approach to aligning executive compensation with performance. For information concerning the Company’s compensation philosophy and how the Company aligns executive compensation with Company performance, refer to the CD&A beginning on page 60.
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Value of Initial Fixed $100 Investment Based On: |  |  |  |  |  |  |
| Year (a) |  |  | Summary Compensation Table Total for PEO(1) (b) |  |  | Compensation Actually Paid to PEO(2) (c) |  |  | Average Summary Compensation Table Total for non-PEO NEOs(3) (d) |  |  | Average Compensation Actually Paid to non- PEO NEOs(2)(3) (e) |  |  | Total Stockholder Return(4) (f) |  |  | Peer Group Total Stockholder Return(4) (g) |  |  | Net Income (h) |  |  | Adjusted EBITDA (Company Selected Measure)(5) (i) |
| 2024 |  |  | $4,387,806 |  |  | $9,841,535 |  |  | $1,837,740 |  |  | $3,866,999 |  |  | $71 |  |  | $125 |  |  | $58,900,000 |  |  | $339,152,000 |
| 2023 |  |  | $4,108,972 |  |  | $3,852,029 |  |  | $1,722,556 |  |  | $1,595,045 |  |  | $40 |  |  | $113 |  |  | ($103,612,000) |  |  | $142,302,000 |
| 2022 |  |  | $3,905,654 |  |  | $2,406,554 |  |  | $1,558,682 |  |  | $1,028,030 |  |  | $42 |  |  | $102 |  |  | ($78,107,000) |  |  | $138,954,000 |
| 2021 |  |  | $3,703,859 |  |  | $2,672,360 |  |  | $1,479,751 |  |  | $1,177,195 |  |  | $62 |  |  | $112 |  |  | ($31,322,000) |  |  | $216,112,000 |
| 2020 |  |  | $4,078,908 |  |  | $6,765,818 |  |  | $1,546,507 |  |  | $2,652,357 |  |  | $128 |  |  | $124 |  |  | $25,627,000 |  |  | $263,565,000 |
1. | In all the years in question, Mitchell J. Krebs was our Chief Executive Officer.
2. | The following tables set forth the adjustments made during 2024 represented in the PVP table to arrive at CAP to our PEO and average CAP to our other NEOs. The equity award adjustments to arrive at “Compensation Actually Paid” or “CAP” were calculated consistent with FASB ASC 718, and the valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. For information on our adjustments made during 2020-2023, refer to our 2024 Proxy Statement.
|  |  |  |  |  |  | PEO |  |  | Average Non-PEO |
| Total Reported in 2024 Summary Compensation Table (SCT) |  |  | $4,387,806 |  |  | $1,837,740 |
|  |  |  | Less, value of Stock Awards reported in SCT |  |  | $2,334,161 |  |  | $885,893 |
|  |  |  | Plus, Year-End Fair Value of Awards Granted in the Fiscal Year that are Unvested and Outstanding |  |  | $5,542,109 |  |  | $2,103,417 |
|  |  |  | Plus, Change in Fair Value of Prior Year Awards that are Outstanding and Unvested |  |  | $2,231,285 |  |  | $809,087 |
|  |  |  | Plus, FMV of Awards Granted this Year and that Vested this Year |  |  | — |  |  | — |
|  |  |  | Plus, Change in Fair Value (from prior year-end to vesting date) of Prior Year Awards that Vested during the Fiscal Year |  |  | $14,496 |  |  | $2,648 |
|  |  |  | Less, Prior Year Fair Value of Prior Year Awards that Failed to Vest this Year |  |  | — |  |  | — |
| Total Adjustments |  |  | $5,453,729 |  |  | $2,029,259 |
| Compensation Actually Paid for 2024 |  |  | $9,841,535 |  |  | $3,866,999 |
3. | During each of 2024, 2023 and 2022, our non-PEO NEOs consisted of Thomas S. Whelan, Michael Routledge, Casey M. Nault and Emilie C. Schouten. During 2021, our non-PEO NEOs consisted of Thomas S. Whelan, Michael Routledge, Casey M. Nault, Terrence F. Smith, and Hans J. Rasmussen. During 2020, our non-PEO NEOs consisted of Thomas S. Whelan, Michael Routledge, Casey M. Nault and Hans J. Rasmussen. Mr. Smith departed the Company effective August 27, 2021, and Mr. Rasmussen retired from his position as Senior Vice President, Exploration, effective March 31, 2022.
4. | Company and peer group TSR reflects the Company’s “TSR peer group” as reflected in our 2024 Annual Report on Form 10-K pursuant to Item 201(e) of Regulation S-K. Each year reflects what the cumulative value of $100 would be, including reinvestment of dividends, if such amount were invested on December 31, 2024.
5. | Adjusted EBITDA, a non-GAAP financial reporting measure, is used by the Company to evaluate operating performance of our core mining business and allows investors and analysts to compare results of the Company to similar results of other mining companies. For a reconciliation of Adjusted EBITDA to net income, please refer to the tables in Appendix A.
Company Selected Measure Name | Adjusted EBITDA |  |  |  |
Named Executive Officers, Footnote |
1. | In all the years in question, Mitchell J. Krebs was our Chief Executive Officer.
3. | During each of 2024, 2023 and 2022, our non-PEO NEOs consisted of Thomas S. Whelan, Michael Routledge, Casey M. Nault and Emilie C. Schouten. During 2021, our non-PEO NEOs consisted of Thomas S. Whelan, Michael Routledge, Casey M. Nault, Terrence F. Smith, and Hans J. Rasmussen. During 2020, our non-PEO NEOs consisted of Thomas S. Whelan, Michael Routledge, Casey M. Nault and Hans J. Rasmussen. Mr. Smith departed the Company effective August 27, 2021, and Mr. Rasmussen retired from his position as Senior Vice President, Exploration, effective March 31, 2022.
Peer Group Issuers, Footnote |
4. | Company and peer group TSR reflects the Company’s “TSR peer group” as reflected in our 2024 Annual Report on Form 10-K pursuant to Item 201(e) of Regulation S-K. Each year reflects what the cumulative value of $100 would be, including reinvestment of dividends, if such amount were invested on December 31, 2024.
PEO Total Compensation Amount | $ 4,387,806 | $ 4,108,972 | $ 3,905,654 | $ 3,703,859 | $ 4,078,908
PEO Actually Paid Compensation Amount | $ 9,841,535 | 3,852,029 | 2,406,554 | 2,672,360 | 6,765,818
Adjustment To PEO Compensation, Footnote |
2. | The following tables set forth the adjustments made during 2024 represented in the PVP table to arrive at CAP to our PEO and average CAP to our other NEOs. The equity award adjustments to arrive at “Compensation Actually Paid” or “CAP” were calculated consistent with FASB ASC 718, and the valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. For information on our adjustments made during 2020-2023, refer to our 2024 Proxy Statement.
|  |  |  |  |  |  | PEO |  |  | Average Non-PEO |
| Total Reported in 2024 Summary Compensation Table (SCT) |  |  | $4,387,806 |  |  | $1,837,740 |
|  |  |  | Less, value of Stock Awards reported in SCT |  |  | $2,334,161 |  |  | $885,893 |
|  |  |  | Plus, Year-End Fair Value of Awards Granted in the Fiscal Year that are Unvested and Outstanding |  |  | $5,542,109 |  |  | $2,103,417 |
|  |  |  | Plus, Change in Fair Value of Prior Year Awards that are Outstanding and Unvested |  |  | $2,231,285 |  |  | $809,087 |
|  |  |  | Plus, FMV of Awards Granted this Year and that Vested this Year |  |  | — |  |  | — |
|  |  |  | Plus, Change in Fair Value (from prior year-end to vesting date) of Prior Year Awards that Vested during the Fiscal Year |  |  | $14,496 |  |  | $2,648 |
|  |  |  | Less, Prior Year Fair Value of Prior Year Awards that Failed to Vest this Year |  |  | — |  |  | — |
| Total Adjustments |  |  | $5,453,729 |  |  | $2,029,259 |
| Compensation Actually Paid for 2024 |  |  | $9,841,535 |  |  | $3,866,999 |
Non-PEO NEO Average Total Compensation Amount | $ 1,837,740 | 1,722,556 | 1,558,682 | 1,479,751 | 1,546,507
Non-PEO NEO Average Compensation Actually Paid Amount | $ 3,866,999 | 1,595,045 | 1,028,030 | 1,177,195 | 2,652,357
Adjustment to Non-PEO NEO Compensation Footnote |
2. | The following tables set forth the adjustments made during 2024 represented in the PVP table to arrive at CAP to our PEO and average CAP to our other NEOs. The equity award adjustments to arrive at “Compensation Actually Paid” or “CAP” were calculated consistent with FASB ASC 718, and the valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. For information on our adjustments made during 2020-2023, refer to our 2024 Proxy Statement.
|  |  |  |  |  |  | PEO |  |  | Average Non-PEO |
| Total Reported in 2024 Summary Compensation Table (SCT) |  |  | $4,387,806 |  |  | $1,837,740 |
|  |  |  | Less, value of Stock Awards reported in SCT |  |  | $2,334,161 |  |  | $885,893 |
|  |  |  | Plus, Year-End Fair Value of Awards Granted in the Fiscal Year that are Unvested and Outstanding |  |  | $5,542,109 |  |  | $2,103,417 |
|  |  |  | Plus, Change in Fair Value of Prior Year Awards that are Outstanding and Unvested |  |  | $2,231,285 |  |  | $809,087 |
|  |  |  | Plus, FMV of Awards Granted this Year and that Vested this Year |  |  | — |  |  | — |
|  |  |  | Plus, Change in Fair Value (from prior year-end to vesting date) of Prior Year Awards that Vested during the Fiscal Year |  |  | $14,496 |  |  | $2,648 |
|  |  |  | Less, Prior Year Fair Value of Prior Year Awards that Failed to Vest this Year |  |  | — |  |  | — |
| Total Adjustments |  |  | $5,453,729 |  |  | $2,029,259 |
| Compensation Actually Paid for 2024 |  |  | $9,841,535 |  |  | $3,866,999 |
Compensation Actually Paid vs. Total Shareholder Return | The following graphs compare CAP to (1) company and peer group TSR (represented by the NYSE Arca Gold Miners Index), (2) Net Income and (3) Adjusted EBITDA. |  |  |  |
Compensation Actually Paid vs. Net Income | The following graphs compare CAP to (1) company and peer group TSR (represented by the NYSE Arca Gold Miners Index), (2) Net Income and (3) Adjusted EBITDA. |  |  |  |
Compensation Actually Paid vs. Company Selected Measure | The following graphs compare CAP to (1) company and peer group TSR (represented by the NYSE Arca Gold Miners Index), (2) Net Income and (3) Adjusted EBITDA. |  |  |  |
Total Shareholder Return Vs Peer Group | The following graphs compare CAP to (1) company and peer group TSR (represented by the NYSE Arca Gold Miners Index), (2) Net Income and (3) Adjusted EBITDA. |  |  |  |
Tabular List, Table | Additional Performance Measures The following performance measures reflect the Company’s most important performance measures used to link compensation actually paid to NEOs to performance in 2024, as further described and defined in the CD&A.
| Adjusted EBITDA |
| ROIC |
| Production |
| Costs Applicable to Sales |
| Growth in Reserves and Resources |
| Environmental, Health and Safety Performance |
| Strategic Initiatives |
| rTSR |
Total Shareholder Return Amount | $ 71 | 40 | 42 | 62 | 128
Peer Group Total Shareholder Return Amount | 125 | 113 | 102 | 112 | 124
Net Income (Loss) | $ 58,900,000 | $ (103,612,000) | $ (78,107,000) | $ (31,322,000) | $ 25,627,000
Company Selected Measure Amount | 339,152,000 | 142,302,000 | 138,954,000 | 216,112,000 | 263,565,000
PEO Name | Mitchell J. Krebs | Mitchell J. Krebs | Mitchell J. Krebs | Mitchell J. Krebs | Mitchell J. Krebs
Measure:: 1 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Adjusted EBITDA |  |  |  |
Non-GAAP Measure Description |
5. | Adjusted EBITDA, a non-GAAP financial reporting measure, is used by the Company to evaluate operating performance of our core mining business and allows investors and analysts to compare results of the Company to similar results of other mining companies. For a reconciliation of Adjusted EBITDA to net income, please refer to the tables in Appendix A.
Measure:: 2 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | ROIC |  |  |  |
Measure:: 3 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Production |  |  |  |
Measure:: 4 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Costs Applicable to Sales |  |  |  |
Measure:: 5 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Growth in Reserves and Resources |  |  |  |
Measure:: 6 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Environmental, Health and Safety Performance |  |  |  |
Measure:: 7 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Strategic Initiatives |  |  |  |
Measure:: 8 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | rTSR |  |  |  |
PEO |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ 5,453,729 |  |  |  |
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (2,334,161) |  |  |  |
PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 5,542,109 |  |  |  |
PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 2,231,285 |  |  |  |
PEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 14,496 |  |  |  |
PEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
Non-PEO NEO |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 2,029,259 |  |  |  |
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (885,893) |  |  |  |
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 2,103,417 |  |  |  |
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 809,087 |  |  |  |
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 2,648 |  |  |  |
Non-PEO NEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ 0 |  |  |  |

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