Additional Balance Sheet Detail and Supplemental Cash Flow Information (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Supplemental Cash Flow Information [Abstract]
Non-cash lease obligations arising from obtaining operating lease assets	$ 718	$ 4,120	$ 1,197
Finance lease obligations	32,978	43,810	37,860
Capital expenditures, not yet paid	44,966	33,688	40,904
Debt for equity exchange	76,018	0	0
Non-cash acquisition of Victoria Gold Corp common stock	0	0	118,777
Interest paid	41,249	32,704	19,655
Income and mining taxes paid	$ 35,000	$ 41,600	$ 57,200