XML 348 R115.htm IDEA: XBRL DOCUMENT v3.22.4
Derivative Financial Instruments - Disclosure Details of the Changes in Gold Collar and Forward Contracts Outstanding (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Derivative Financial Instruments [Line Items]    
Balance - beginning of year $ 84,857  
Balance - end of year 10,705 $ 84,857
Gold collars and forward contracts    
Derivative Financial Instruments [Line Items]    
Balance - beginning of year 33,336 91,393
Change in fair value (341) (16,605)
Settlements (32,995) (41,452)
Balance - end of year $ 0 $ 33,336