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OTHER INCOME (EXPENSE) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Other Income and Expenses [Abstract]
Interest income	$ 5,344	$ 514	$ 9,143	$ 1,479
Change in fair value of marketable securities	(37)	(4,524)	(3,836)	(6,472)
Gain (loss) on sale of mineral properties, plant, and equipment	(501)	(1,152)	(1,842)	462
Other	4,347	(1,691)	2,924	(4,115)
Total	$ 9,153	$ (6,853)	$ 6,389	$ (8,646)

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- Definition

Gain (Loss) on Disposition of Minerals Property Plant Equipment

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- Definition

Other Nonoperating Income (Expense), Other

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- Definition

The net amount of nonoperating interest income (expense).

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- Definition

Amount of unrealized gain (loss) on investment in marketable security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7)(c))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

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- Definition

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.9)
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

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