Pay vs Performance Disclosure - USD ($)
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12 Months Ended |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
| Pay vs Performance Disclosure |
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| Pay vs Performance Disclosure, Table |
| | | | | | | | | | | | | | | | | | | Year | | Summary Compensation Table Total for Principal Executive Officer (“PEO”)(1) | | Compensation Actually Paid to PEO(2) | | Average Summary Compensation Table Total for Non-PEO Named Executive Officers (“NEOs”)(3) | | Average Compensation Actually Paid to Non-PEO NEOs(3) | | Value of Initial Fixed $100 Investment Based on Total Shareholder Return (“TSR”)(4) | | Net Income (Loss) (millions)(5) | 2025 | | $ | 2,887,256 | | $ | 3,555,640 | | $ | 1,552,918 | | $ | 3,285,920 | | $ | 37 | | $ | (33) | 2024 | | | 1,380,197 | | | 807,503 | | | 1,897,806 | (6) | | 1,432,093 | (6) | | 21 | | | (121) | 2023 | | | 1,122,585 | | | (1,904,079) | | | 1,221,446 | | | (1,829,434) | | | 31 | | | (154) |
| (1) | Dr. Rosenwald was the Registrant’s PEO for each of the 2025, 2024 and 2023 fiscal years. |
| (2) | The amounts disclosed reflect the adjustments listed in the tables below to the amounts reported in the Summary Compensation Table for PEO: |
| | | | | | | | | | | | | | | | | | | Year | | Less: Grant Date Value of Equity Awards | | Year-End Fair Value of Unvested Awards Granted During 2025 | | Vesting Date Value of Awards that were Granted and Vested in 2025 | | Year-Over-Year Change in Fair Value of Unvested Awards Granted in Prior Years | | Change in Value of Awards Vesting During 2025 that were Granted in Prior Years | | Total Adjustments | 2025 | | $ | (2,199,592) | | $ | 2,179,900 | | $ | 50,000 | | $ | (52,449) | | $ | 690,523 | | $ | 668,382 |
| (3) | For the 2025, 2024 and 2023 fiscal years, our Non-PEO NEOs were: David Jin and Michael S. Weiss. The amounts disclosed reflect the adjustments listed in the table below to the amounts reported in the Summary Compensation Table for Non-PEO NEOs: |
| | | | | | | | | | | | | | | | | | | Year | | | Less: Grant Date Value of Equity Awards | | Year-End Fair Value of Unvested Awards Granted During 2025 | | Vesting Date Value of Awards that were Granted and Vested in 2025 | | Year-Over-Year Change in Fair Value of Unvested Awards Granted in Prior Years | | Change in Value of Awards Vesting During 2025 that were Granted in Prior Years | | Total Adjustments | 2025 | | $ | (894,548) | | $ | 873,540 | | $ | 28,992 | | $ | 931,923 | | $ | 793,094 | | $ | 1,733,002 |
| (4) | Represents the cumulative TSR for a $100 investment in Fortress’ common stock, assuming such investment occurred on December 31, 2022 and all dividends were reinvested. |
| (5) | The dollar amounts reported represent the amount of net income (loss) reflected in our consolidated audited financial statements for the applicable year. |
| (6) | Includes adjustment to the bonus amount awarded to, and cash fees earned by, Mr. Jin for 2024 as reflected in the Summary Compensation Table for 2024, as described in footnotes 4 and 5 to the Summary Compensation Table. No additional reconciliation for fiscal year 2024 is provided because the corrections are tied to cash-based compensation. |
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| Named Executive Officers, Footnote |
YearYear
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| PEO Total Compensation Amount |
$ 2,887,256
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$ 1,380,197
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$ 1,122,585
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| PEO Actually Paid Compensation Amount |
$ 3,555,640
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807,503
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(1,904,079)
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| Adjustment To PEO Compensation, Footnote |
| (2) | The amounts disclosed reflect the adjustments listed in the tables below to the amounts reported in the Summary Compensation Table for PEO: |
| | | | | | | | | | | | | | | | | | | Year | | Less: Grant Date Value of Equity Awards | | Year-End Fair Value of Unvested Awards Granted During 2025 | | Vesting Date Value of Awards that were Granted and Vested in 2025 | | Year-Over-Year Change in Fair Value of Unvested Awards Granted in Prior Years | | Change in Value of Awards Vesting During 2025 that were Granted in Prior Years | | Total Adjustments | 2025 | | $ | (2,199,592) | | $ | 2,179,900 | | $ | 50,000 | | $ | (52,449) | | $ | 690,523 | | $ | 668,382 |
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| Non-PEO NEO Average Total Compensation Amount |
$ 1,552,918
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1,897,806
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1,221,446
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| Non-PEO NEO Average Compensation Actually Paid Amount |
$ 3,285,920
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1,432,093
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(1,829,434)
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| Adjustment to Non-PEO NEO Compensation Footnote |
| | | | | | | | | | | | | | | | | | | Year | | Less: Grant Date Value of Equity Awards | | Year-End Fair Value of Unvested Awards Granted During 2025 | | Vesting Date Value of Awards that were Granted and Vested in 2025 | | Year-Over-Year Change in Fair Value of Unvested Awards Granted in Prior Years | | Change in Value of Awards Vesting During 2025 that were Granted in Prior Years | | Total Adjustments | 2025 | | $ | (2,199,592) | | $ | 2,179,900 | | $ | 50,000 | | $ | (52,449) | | $ | 690,523 | | $ | 668,382 |
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| Compensation Actually Paid vs. Total Shareholder Return |

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| Compensation Actually Paid vs. Net Income |

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| Net Income (Loss) |
$ 37,000,000
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$ 21,000,000
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$ 31,000,000
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| PEO Name |
Year
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Year
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Year
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| Equity Awards Adjustments, Footnote |
| (2) | The amounts disclosed reflect the adjustments listed in the tables below to the amounts reported in the Summary Compensation Table for PEO: |
| | | | | | | | | | | | | | | | | | | Year | | Less: Grant Date Value of Equity Awards | | Year-End Fair Value of Unvested Awards Granted During 2025 | | Vesting Date Value of Awards that were Granted and Vested in 2025 | | Year-Over-Year Change in Fair Value of Unvested Awards Granted in Prior Years | | Change in Value of Awards Vesting During 2025 that were Granted in Prior Years | | Total Adjustments | 2025 | | $ | (2,199,592) | | $ | 2,179,900 | | $ | 50,000 | | $ | (52,449) | | $ | 690,523 | | $ | 668,382 |
| (3) | For the 2025, 2024 and 2023 fiscal years, our Non-PEO NEOs were: David Jin and Michael S. Weiss. The amounts disclosed reflect the adjustments listed in the table below to the amounts reported in the Summary Compensation Table for Non-PEO NEOs: |
| | | | | | | | | | | | | | | | | | | Year | | | Less: Grant Date Value of Equity Awards | | Year-End Fair Value of Unvested Awards Granted During 2025 | | Vesting Date Value of Awards that were Granted and Vested in 2025 | | Year-Over-Year Change in Fair Value of Unvested Awards Granted in Prior Years | | Change in Value of Awards Vesting During 2025 that were Granted in Prior Years | | Total Adjustments | 2025 | | $ | (894,548) | | $ | 873,540 | | $ | 28,992 | | $ | 931,923 | | $ | 793,094 | | $ | 1,733,002 |
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| PEO | Equity Awards Adjustments |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
$ 668,382
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| PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
(2,199,592)
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| PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
2,179,900
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| PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
(52,449)
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| PEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
50,000
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| PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
690,523
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| Non-PEO NEO | Equity Awards Adjustments |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
1,733,002
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| Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
(894,548)
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| Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
873,540
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| Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
931,923
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| Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
28,992
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| Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |
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| Pay vs Performance Disclosure |
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| Adjustment to Compensation, Amount |
$ 793,094
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