Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenue (Note 6)	$ 174,096	$ 144,042	$ 322,999	$ 314,434
Costs and expenses
Cost of sales (excludes depreciation, depletion and amortization)	24,174	23,367	45,924	48,387
General and administrative	10,511	9,093	21,923	20,093
Production taxes	1,581	1,274	3,031	3,263
Depreciation, depletion and amortization	35,747	38,412	74,512	84,741
Total costs and expenses	72,013	72,146	145,390	156,484
Operating income	102,083	71,896	177,609	157,950
Fair value changes in equity securities	(63)	(509)	383	291
Interest and other income	807	2,650	3,783	4,912
Interest and other expense	(2,516)	(8,408)	(7,123)	(17,582)
Income before income taxes	100,311	65,629	174,652	145,571
Income tax expense (Note 9)	(18,991)	(2,029)	(46,025)	(17,900)
Net income and comprehensive income	81,320	63,600	128,627	127,671
Net income and comprehensive income attributable to non-controlling interests	(112)	(151)	(255)	(347)
Net income and comprehensive income attributable to Royal Gold common stockholders	$ 81,208	$ 63,449	$ 128,372	$ 127,324
Net income per share attributable to Royal Gold common stockholders:
Basic earnings per share (in dollars per share)	$ 1.23	$ 0.97	$ 1.95	$ 1.94
Basic weighted average shares outstanding (in shares)	65,650,801	65,605,391	65,644,115	65,600,213
Diluted earnings per share (in dollars per share)	$ 1.23	$ 0.97	$ 1.95	$ 1.93
Diluted weighted average shares outstanding (in shares)	65,767,538	65,762,903	65,753,899	65,736,028
Cash dividends declared per common share (in dollars per share)	$ 0.40	$ 0.375	$ 0.800	$ 0.75