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		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recognized in OCI - effective portion:	$ 12,842	$ 34,245	$ (86)	$ 29,027
Gains (losses) reclassified from AOCI into net income - effective portion:	1,224	(1,731)	(2,910)	(1,271)
Gold Forwards
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recognized in OCI - effective portion:	7,303	34,245	(8,053)	32,413
Gains (losses) reclassified from AOCI into net income - effective portion:	1,369	(3,110)	(892)	(3,110)
SIlver Forwards
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recognized in OCI - effective portion:	5,539	0	7,967	0
Gains (losses) reclassified from AOCI into net income - effective portion:	(145)	0	(2,018)	0
Gold zero cost collars
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recognized in OCI - effective portion:	0	0	0	(3,386)
Gains (losses) reclassified from AOCI into net income - effective portion:	$ 0	$ 1,379	$ 0	$ 1,839