Share-Based Compensation - Restricted Stock Units (Details) - USD ($)	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Share-Based Compensation
Aggregate vested units outstanding				416,446
Restricted Stock Units ("RSUs")
Share-Based Compensation
Granted	1,027,561		21,452,356	13,026,567	32,414,380	33,079,041
Total unrecognized share-based compensation expense	$ 16,200,000			$ 16,200,000		$ 20,500,000
Share based compensation expense	6,200,000		$ 5,300,000	11,600,000	$ 8,500,000
Restricted Stock Units ("RSUs") | Non-employee directors
Share-Based Compensation
Granted		60,000
Restricted Stock Units ("RSUs") | General and administration expenses
Share-Based Compensation
Share based compensation expense	3,000,000		2,200,000	6,500,000	4,100,000
Restricted Stock Units ("RSUs") | General and administration expenses | Non-employee
Share-Based Compensation
Share based compensation expense		$ 100,000
Restricted Stock Units ("RSUs") | Exploration and evaluation activities
Share-Based Compensation
Share based compensation expense	$ 3,200,000		$ 3,100,000	$ 5,100,000	$ 4,400,000
Restricted Stock Units ("RSUs") | Director | Non-employee directors
Share-Based Compensation
Granted	134,226
Fair value of shares vested	$ 600,000
Vesting Immediately | Restricted Stock Units ("RSUs")
Share-Based Compensation
Granted	462,042		206,260	3,081,627	4,006,695
Vesting Immediately | Restricted Stock Units ("RSUs") | Share-based payment arrangement, employee
Share-Based Compensation
Granted	60,000
Vesting Immediately | Restricted Stock Units ("RSUs") | Consultant | Non-employee
Share-Based Compensation
Granted	310,530
Vesting Immediately | Restricted Stock Units ("RSUs") | Consultant | General and administration expenses | Non-employee
Share-Based Compensation
Share based compensation expense	$ 800,000
Vesting Immediately | Restricted Stock Units ("RSUs") | Director | Non-employee
Share-Based Compensation
Total fair value of units granted	$ 398,075
Vesting Immediately | Restricted Stock Units ("RSUs") | Director | Non-employee directors
Share-Based Compensation
Granted	91,512
Vesting fully within and on first anniversary of the grant date | Restricted Stock Units ("RSUs")
Share-Based Compensation
Granted	134,226		476,189	194,226	493,430
Vesting in thirds on each anniversary of the grant date | Restricted Stock Units ("RSUs")
Share-Based Compensation
Granted			68,027	8,818,935	7,212,375
Vesting in fourths on each anniversary of the grant date | Restricted Stock Units ("RSUs")
Share-Based Compensation
Granted			701,880	176,302	701,880
Vesting based on performance conditions | Restricted Stock Units ("RSUs")
Share-Based Compensation
Granted	364,785			688,969
Vesting based on performance conditions | Restricted Stock Units ("RSUs") | Consultant | Fee for securing the agreement | Non-employee
Share-Based Compensation
Granted	338,653			338,653
Total fair value of units granted	$ 1,900,000			$ 1,900,000
Vesting based on performance conditions | Restricted Stock Units ("RSUs") | Consultant | Professional and consulting fees | Non-employee
Share-Based Compensation
Granted	26,132
Total fair value of units granted	$ 100,000
Vesting based on market conditions | Restricted Stock Units ("RSUs")
Share-Based Compensation
Granted			20,000,000		20,000,000
Vesting three years from grant date | Restricted Stock Units ("RSUs")
Share-Based Compensation
Granted	66,508			66,508
Vesting three years from grant date | Restricted Stock Units ("RSUs") | Director | Non-employee
Share-Based Compensation
Fair value of shares vested	$ 300,000			$ 300,000
Shares award granted award vesting period	3 years			3 years