Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenue		$ 222,026	$ 177,235	$ 435,086	$ 364,533
COSTS AND EXPENSES
Amortization		27,928	19,595	55,225	42,303
General and administrative		11,241	9,789	25,645	21,872
Pre-development, reclamation, and other		8,590	10,360	26,818	21,250
Total costs and expenses		205,350	182,301	421,767	385,688
OTHER INCOME (EXPENSE), NET
Fair value adjustments, net, pretax		0	(3,922)	0	6,639
Interest expense, net of capitalized interest		(13,162)	(6,912)	(26,109)	(14,301)
Other, net		5,122	(9,607)	7,895	(10,568)	[1]
Total other income (expense), net		(8,061)	(17,480)	(17,797)	(15,269)
Income (loss) before income and mining taxes		8,615	(22,546)	(4,478)	(36,424)
Income and mining tax (expense) benefit		(7,189)	(9,866)	(23,213)	(20,574)
NET INCOME (LOSS)		1,426	(32,412)	(27,691)	(56,998)
OTHER COMPREHENSIVE INCOME (LOSS), Net of Tax:
Unrealized gain (loss) on hedger, net of tax		(10,881)	12,842	(18,507)	(86)
Reclassification adjustments for realized (gain) loss on cash flow hedges		(17,028)	(1,224)	(17,176)	2,910
Other comprehensive income (loss)		6,147	14,066	(1,331)	(2,996)
COMPREHENSIVE INCOME (LOSS)		$ 7,573	$ (18,346)	$ (29,022)	$ (59,994)
Basic EPS
Earnings Per Share, Basic		$ 0.00	$ (0.10)	$ (0.07)	$ (0.18)
Diluted EPS
Earnings Per Share, Diluted		$ 0.00	$ (0.10)	$ (0.07)	$ (0.18)
Gain on debt extinguishment		$ (21)	$ 2,961	$ 417	$ 2,961
Accumulated Deficit [Member]
OTHER INCOME (EXPENSE), NET
NET INCOME (LOSS)		1,426	(32,412)	(27,691)	(56,998)
Product
COSTS AND EXPENSES
Costs applicable to sales	[2]	144,717	139,637	290,714	292,693
Mineral, Exploration
COSTS AND EXPENSES
Costs applicable to sales		$ 12,874	$ 2,920	$ 23,365	$ 7,570

[1] See Note 13 -- Additional Comprehensive Income (Loss) Detail for additional detail.

[2] Excludes amortization.