Reclamation Obligations (Tables)

12 Months Ended

Dec. 31, 2024

Reclamation Obligations [Abstract]

Summary of Reclamation obligations

	At December 31		At December 31
(in thousands)	2024		2023
Reclamation obligations-by item:
Elliot Lake	$	18,071	$	19,796
MLJV and MWJV		12,057		12,215
Wheeler River and other		2,186		2,887
	$	32,314	$	34,898
Reclamation obligations-by balance sheet presentation:
Current	$	1,713	$	2,256
Non-current		30,601		32,642
	$	32,314	$	34,898

Summary of Reclamation obligations continuity

(in thousands)	2024		2023
Balance-January 1	$	34,898	$	29,459
Reclamation liability deposit from joint venture partner		—		99
Accretion (note 17)		1,895		1,681
Expenditures incurred		(2,491)		(3,118)
Liability adjustments-balance sheet (note 8)		(165)		3,548
Liability adjustment-income statement (note 17)		(1,823)		3,229
Balance-December 31	$	32,314	$	34,898