Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue		$ 313,476	$ 194,583	$ 748,562	$ 559,116
COSTS AND EXPENSES
Amortization		33,216	22,884	88,441	65,187
General and administrative		10,966	9,512	36,611	31,384
Pre-development, reclamation, and other		8,583	8,699	35,401	29,949
Total costs and expenses		229,074	201,435	650,841	587,123
OTHER INCOME (EXPENSE), NET
Fair value adjustments, net, pretax		0	(2,010)	0	4,629
Interest expense, net of capitalized interest		(13,280)	(7,402)	(39,389)	(21,703)
Other, net		3,434	478	11,329	(10,090)	[1]
Total other income (expense), net		(9,846)	(8,160)	(27,643)	(23,429)
Income (loss) before income and mining taxes		74,556	(15,012)	70,078	(51,436)
Income and mining tax (expense) benefit		(25,817)	(6,097)	(49,030)	(26,671)
NET INCOME (LOSS)		48,739	(21,109)	21,048	(78,107)
OTHER COMPREHENSIVE INCOME (LOSS), Net of Tax:
Unrealized gain (loss) on hedger, net of tax		0	7,227	(18,507)	7,141
Reclassification adjustments for realized (gain) loss on cash flow hedges		0	4,920	(17,176)	7,830
Other comprehensive income (loss)		0	2,307	(1,331)	(689)
COMPREHENSIVE INCOME (LOSS)		$ 48,739	$ (18,802)	$ 19,717	$ (78,796)
Basic EPS
Earnings Per Share, Basic		$ 0.12	$ (0.06)	$ 0.05	$ (0.24)
Diluted EPS
Earnings Per Share, Diluted		$ 0.12	$ (0.06)	$ 0.05	$ (0.24)
Gain on debt extinguishment		$ 0	$ 774	$ 417	$ 3,735
Accumulated Deficit [Member]
OTHER INCOME (EXPENSE), NET
NET INCOME (LOSS)		48,739	(21,109)	21,048	(78,107)
Product
COSTS AND EXPENSES
Costs applicable to sales	[2]	156,742	147,903	447,456	440,596
Mineral, Exploration
COSTS AND EXPENSES
Costs applicable to sales		$ 19,567	$ 12,437	$ 42,932	$ 20,007

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

[2] Excludes amortization.