Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Sales	$ 189,528	$ 199,500
Cost of sales and other direct production costs	121,461	125,550
Depreciation, depletion and amortization	48,907	39,002
Total cost of sales	170,368	164,552
Gross profit	19,160	34,948
Other operating expenses:
General and administrative	11,216	12,070
Exploration and pre-development	4,342	4,967
Ramp-up and suspension costs	14,523	11,336
Provision for closed operations and environmental matters	986	1,044
Other operating (income) expense, net	(16,971)	(22)
Total other operating expenses	14,096	29,395
Income from operations	5,064	5,553
Other expense:
Interest expense	(12,644)	(10,165)
Fair value adjustments, net	(1,852)	3,181
Net foreign exchange gain	3,982	108
Other income	1,512	1,392
Total other expense	(9,002)	(5,484)
(Loss) income before income and mining taxes	(3,938)	69
Income and mining tax expense	(1,815)	(3,242)
Net loss	(5,753)	(3,173)
Preferred stock dividends	(138)	(138)
Net loss applicable to common stockholders	(5,891)	(3,311)
Comprehensive loss:
Net Income (Loss)	(5,753)	(3,173)
Change in fair value of derivative contracts designated as hedge transactions	(5,403)	6,516
Comprehensive (loss) income	$ (11,156)	$ 3,343
Basic loss per common share after preferred dividends	$ (0.01)	$ (0.01)
Diluted loss per common share after preferred dividends	$ (0.01)	$ (0.01)
Weighted average number of common shares outstanding - basic	616,199	600,075
Weighted average number of common shares outstanding - diluted	616,199	600,075