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, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recognized in OCI - effective portion:	$ (10,881)	$ 12,842	$ (18,507)	$ (86)
Gains (losses) reclassified from AOCI into net income - effective portion:	17,028	1,224	17,176	(2,910)
Gold Forwards
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recognized in OCI - effective portion:	(3,893)	7,303	(10,886)	(8,053)
Gains (losses) reclassified from AOCI into net income - effective portion:	11,887	1,369	12,867	(892)
SIlver Forwards
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recognized in OCI - effective portion:	(6,988)	5,539	(7,621)	7,967
Gains (losses) reclassified from AOCI into net income - effective portion:	$ 5,141	$ (145)	$ 4,309	$ (2,018)