Oil and Gas Royalty Interests - Royalty Interests (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Oil and gas royalty interests:
Royalty interests acquired, at cost	$ 171,828	$ 51,494
Total royalty interests	171,828	51,494
Less: accumulated depletion	(7,800)	(4,885)
Royalty interests, net	164,028	46,609
1/16th nonparticipating perpetual royalty interest
Oil and gas royalty interests:
1/16th nonparticipating perpetual royalty interests	0	0
1/128th nonparticipating perpetual royalty interest
Oil and gas royalty interests:
1/128th nonparticipating perpetual royalty interests	$ 0	$ 0