Derivative Financial Instruments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Derivative [Line Items]
Provisional gain (loss) on derivatives and commodity contracts	$ (249)	$ 492
Unrealized gain (loss) on hedger, net of tax	(12,928)	(5,218)
Termination of gold zero cost collars	0	$ 3,139
Designated as Hedging Instrument | Gold Forwards
Derivative [Line Items]
After tax gains in AOCI	4,700
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	4,700
Designated as Hedging Instrument | Gold zero cost collars
Derivative [Line Items]
Unrealized gain (loss) on hedger, net of tax	7,700
Termination of gold zero cost collars	3,100
Termination of zero gold cost collars recorded to other comprehensive income (loss)	$ 4,600