Fair Value Accounting (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Assets:
Cash	$ 115,759	$ 3,480
Receivables and prepayments	1,519	1,851
Exploration contracts	42,951	42,951
Right of use asset	2,860	3,814
Equipment	655	771
Software	2,039	1,928
Investment	7,911	8,203
Assets	173,694	62,998
Liabilities:
Accounts payable and accrued liabilities	47,099	42,754
Short-term debt	2,478	11,775
Deferred tax liability	10,675	10,675
Royalty liability	14,000	14,000
Warrants liability	17,582	912
Liabilities	91,834	80,116
Level 1
Assets:
Cash	115,759	3,480
Assets	115,759	3,480
Level 2
Assets:
Receivables and prepayments	1,519	1,851
Assets	1,519	1,851
Liabilities:
Accounts payable and accrued liabilities	47,099	42,754
Short-term debt	2,478	11,775
Deferred tax liability	10,675	10,675
Liabilities	60,252	65,204
Level 3
Assets:
Exploration contracts	42,951	42,951
Right of use asset	2,860	3,814
Equipment	655	771
Software	2,039	1,928
Investment	7,911	8,203
Assets	56,416	57,667
Liabilities:
Royalty liability	14,000	14,000
Warrants liability	17,582	912
Liabilities	$ 31,582	$ 14,912