XML 157 R53.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Critical accounting estimates and judgments (Details) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure Of Critical Accounting Estimates And Judgment [Abstract] |  |  |
Risk-free interest rate | 3.02% | 3.28% | 1.68%
Annual inflation | 2.25% | 2.50% | 2.50%

X
- Definition Description of estimate annual inflation reclamation obligations. + References No definition available. + Details
Name: | fury_DescriptionOfEstimateAnnualInflationReclamationObligations
Namespace Prefix: | fury_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of risk-free interest rate estimate reclamation obligations. + References No definition available. + Details
Name: | fury_DescriptionOfRiskfreeInterestRateEstimateReclamationObligations
Namespace Prefix: | fury_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | fury_DisclosureOfCriticalAccountingEstimatesAndJudgmentAbstract
Namespace Prefix: | fury_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration