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OTHER INCOME (EXPENSE) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Other Income and Expenses [Abstract]
Interest income	$ 3,881	$ 6,098	$ 13,682	$ 21,015
Gain (loss) on investments and on marketable security sales	2,866	8,437	11,098	19,839
Change in fair value of marketable securities	(330)	(555)	(6,749)	565
Gain (loss) on sale of mineral properties, plant, and equipment	0	(560)	0	(1,610)
Other	2,158	(2,042)	(721)	(3,010)
Total	$ 8,575	$ 11,378	$ 17,310	$ 36,799

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- Definition

Gain (Loss) on Disposition of Minerals Property Plant Equipment

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- Definition

Gain (Loss) on Investments and Marketable Security Sales

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- Definition

Other Nonoperating Income (Expense), Other

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- Definition

Amount of interest income (expense) classified as nonoperating.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
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-Section 50
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
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-Name Accounting Standards Codification
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-Publisher FASB
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Amount of realized and unrealized gain (loss) on investment in marketable security.

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Amount of income (expense) related to nonoperating activities, classified as other.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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