Investment in Low Carbon Royalties (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
	Feb. 21, 2023	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Investment in Low Carbon Royalties
Percentage of contribution to gross royalty	2.00%
Royalty expense	$ 5,000
Equity-accounted investment income (loss)		$ 89	$ (61)	$ 54	$ (139)	$ (226)
Return of capital				346
Royalty liability		$ 14,000		$ 14,000		$ 14,000
Low Carbon Royalties
Investment in Low Carbon Royalties
Percentage of ownership		32.00%		32.00%		32.00%
Return of capital, Per share		$ 0.025
Return of capital		$ 300
TOML Acquisition.
Investment in Low Carbon Royalties
Royalty liability		$ 14,000		$ 14,000