v3.26.1
Decommissioning Liabilities (Tables)
3 Months Ended
Mar. 31, 2026
Decommissioning Liabilities [Abstract]
Schedule of Reconciliation of the Decommissioning Liabilities
As at
March 31, 2026
December 31,
2025
Balance, beginning of period
$
19,922
$
17,444
Liabilities incurred
204
134
Change in estimates
-
1,645
Decommissioning costs incurred
(75
)
(1,133
)
Accretion expense
498
1,832
Balance, end of period
$
20,549
$
19,922
X
- References
No definition available.
+ Details
Name:
gfr_DecommissioningLiabilitiesAbstract
Namespace Prefix:
gfr_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Tabular disclosure of reconsilation of decommissioning liability.
+ References
No definition available.
+ Details
Name:
gfr_DisclosureOfReconsilationOfDecommissioningLiabilitiesTextBlock
Namespace Prefix:
gfr_
Data Type:
dtr:textBlockItemType
Balance Type:
na
Period Type:
duration