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INCOME AND MINING TAXES - Effective Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income (loss) before income and mining taxes	$ (202,408)	$ 240,835	$ 414,758
Statutory tax rate	27.00%	27.00%	27.00%
Expected income and mining tax expense (benefit)	$ (54,650)	$ 65,025	$ 111,985
Increase (decrease) attributable to:
Non-taxable items	(26,345)	(11,358)	(4,379)
Foreign exchange and inflation	(55,850)	(20,531)	(124,946)
Tax rate increase	68,917	0	0
Differences in foreign and future tax rates	(4,219)	(13,248)	738
Investment incentive tax credits	(22,760)	(10,126)	(14,082)
Mining taxes and overseas withholding tax	5,546	38,251	17,528
Impact of gain on acquisition of Kartaltepe	0	(18,826)	0
Change in estimates in respect of prior years	1,742	(3,630)	(2,046)
Changes in valuation allowance	4,748	2,602	1,086
Other	337	1,909	0
Total income tax provision (benefit)	$ (82,534)	$ 30,068	$ (14,116)

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