Royalty Generation and Project Evaluation - Disclosure of detailed information about project and royalty generation costs (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	$ 14,946	$ 18,204
Recoveries from partners	(3,962)	(7,398)
Net Expenditures	10,984	10,806
Technical support and project evaluation*
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	2,573	2,361
Recoveries from partners	0	0
Net Expenditures	2,573	2,361
Fennoscandia
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	2,334	2,124
Recoveries from partners	(293)	(759)
Net Expenditures	2,041	1,365
USA
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	5,838	10,397
Recoveries from partners	(3,669)	(6,639)
Net Expenditures	2,169	3,758
USA \| Scout Discoveries Corp.
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures		1,527
Eastern Europe and Morocco
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	2,820	2,143
Recoveries from partners	0	0
Net Expenditures	2,820	2,143
South America
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	907	453
Recoveries from partners	0	0
Net Expenditures	907	453
Other
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	474	726
Recoveries from partners	0	0
Net Expenditures	474	726
Administration costs
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	920	1,309
Administration costs \| Technical support and project evaluation*
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	112	68
Administration costs \| Fennoscandia
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	262	270
Administration costs \| USA
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	203	361
Administration costs \| Eastern Europe and Morocco
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	298	600
Administration costs \| South America
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	28	1
Administration costs \| Other
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	17	9
Drilling, technical, and support costs
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	4,049	7,512
Drilling, technical, and support costs \| Technical support and project evaluation*
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	277	305
Drilling, technical, and support costs \| Fennoscandia
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	608	832
Drilling, technical, and support costs \| USA
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	2,610	5,705
Drilling, technical, and support costs \| Eastern Europe and Morocco
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	458	409
Drilling, technical, and support costs \| South America
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	0	4
Drilling, technical, and support costs \| Other
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	96	257
Personnel
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	5,076	5,432
Personnel \| Technical support and project evaluation*
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	1,774	1,588
Personnel \| Fennoscandia
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	549	573
Personnel \| USA
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	1,052	2,019
Personnel \| Eastern Europe and Morocco
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	1,445	848
Personnel \| South America
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	51	74
Personnel \| Other
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	205	330
Property costs
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	3,269	2,571
Property costs \| Technical support and project evaluation*
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	0	0
Property costs \| Fennoscandia
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	597	140
Property costs \| USA
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	1,763	2,018
Property costs \| Eastern Europe and Morocco
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	261	56
Property costs \| South America
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	598	289
Property costs \| Other
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	50	68
Professional costs
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	710	447
Professional costs \| Technical support and project evaluation*
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	0	0
Professional costs \| Fennoscandia
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	141	124
Professional costs \| USA
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	31	124
Professional costs \| Eastern Europe and Morocco
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	275	94
Professional costs \| South America
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	210	74
Professional costs \| Other
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	53	31
Share-based payments
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	577	491
Share-based payments \| Technical support and project evaluation*
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	257	200
Share-based payments \| Fennoscandia
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	70	77
Share-based payments \| USA
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	151	136
Share-based payments \| Eastern Europe and Morocco
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	64	55
Share-based payments \| South America
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	14	11
Share-based payments \| Other
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	21	12
Travel
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	345	442
Travel \| Technical support and project evaluation*
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	153	200
Travel \| Fennoscandia
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	107	108
Travel \| USA
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	28	34
Travel \| Eastern Europe and Morocco
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	19	81
Travel \| South America
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	6	0
Travel \| Other
Categories Of Royalty And Other Property Interests [Line Items]
Total project and royalty generation expenditures	$ 32	$ 19

Royalty Generation and Project Evaluation - Disclosure of detailed information about project and royalty generation costs (Details) - USD ($)
$ in Thousands