Derivative Financial Instruments - Summary of Pre-tax Gains (Losses) On Derivatives Designated as Cash Flow Hedges (Details) - Designated as Hedging Instrument - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recognized in OCI - effective portion:	$ 29,060	$ 1,349	$ 58,087	$ 25,723
Gains (losses) reclassified from AOCI into net income - effective portion:	(9,910)	(3,902)	(11,181)	(9,683)
Gold zero cost collars
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recognized in OCI - effective portion:	0	1,614	(4,598)	25,590
Gains (losses) reclassified from AOCI into net income - effective portion:	1,379	23	3,218	853
Foreign Exchange Forward
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recognized in OCI - effective portion:	0	(265)	0	133
Gains (losses) reclassified from AOCI into net income - effective portion:	0	(3,925)	0	(10,536)
Gold Forwards
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recognized in OCI - effective portion:	29,060	0	62,685	0
Gains (losses) reclassified from AOCI into net income - effective portion:	$ (11,289)	$ 0	$ (14,399)	$ 0