Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Revenue (Note 5)	$ 193,436	$ 148,902
Costs and expenses
Cost of sales (excludes depreciation, depletion and amortization)	24,506	21,751
General and administrative	11,063	11,412
Production taxes	1,761	1,449
Depreciation, depletion and amortization	32,995	38,765
Total costs and expenses	70,325	73,377
Operating income	123,111	75,525
Fair value changes in equity securities	(37)	447
Interest and other income	2,049	2,977
Interest and other expense	(1,156)	(4,607)
Income before income taxes	123,967	74,342
Income tax expense (Note 8)	(10,389)	(27,033)
Net income and comprehensive income	113,578	47,309
Net income and comprehensive income attributable to non-controlling interests	(80)	(143)
Net income and comprehensive income attributable to Royal Gold common stockholders	$ 113,498	$ 47,166
Net income per share attributable to Royal Gold common stockholders:
Basic earnings per share (in dollars per share)	$ 1.72	$ 0.72
Basic weighted average shares outstanding (in shares)	65,705,157	65,637,428
Diluted earnings per share (in dollars per share)	$ 1.72	$ 0.72
Diluted weighted average shares outstanding (in shares)	65,791,551	65,740,260
Cash dividends declared per common share (in dollars per share)	$ 0.45	$ 0.40