Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
CURRENT ASSETS
Cash and cash equivalents	$ 61,633	$ 61,464
Receivables	31,035	36,333
Inventory	76,661	61,831
Ore on leach pads	79,400	82,958
Marketable Securities, Current	0	32,032
Prepaid expenses and other	18,526	25,814
Current assets	267,255	300,432
NON-CURRENT ASSETS
Property, plant and equipment and mining properties, net	1,688,288	1,389,755
Ore on leach pads, noncurrent	25,987	51,268
Restricted assets	9,115	9,028
Current liabilities	0	12,120
Receivables, Net, Current	23,140	22,023
Other assets	67,063	61,517
TOTAL ASSETS	2,080,848	1,846,143
CURRENT LIABILITIES
Accounts payable	115,110	96,123
Accrued liabilities and other	140,913	92,863
Debt	22,636	24,578
Reclamation	10,954	5,796
Current liabilities	289,613	219,360
NON-CURRENT LIABILITIES
Debt	522,674	491,355
Reclamation	203,059	196,635
Deferred tax liabilities	12,360	14,459
Other long-term liabilities	29,239	35,318
Non-current liabilities	$ 767,332	$ 737,767
Common Stock, Shares, Outstanding	386,282,957	295,697,624
STOCKHOLDERS' EQUITY
Common stock, par value $0.01 per share; authorized 600,000,000 shares, 386,282,957 issued and outstanding at December 31, 2023 and 295,697,624 at December 31, 2022	$ 3,863	$ 2,957
Additional paid-in capital	4,139,870	3,891,265
Accumulated other comprehensive income (loss)	1,331	12,343
Accumulated deficit	(3,121,161)	(3,017,549)
Stockholders' equity	1,023,903	889,016
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 2,080,848	$ 1,846,143
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	600,000,000	600,000,000
Common stock, shares issued (in shares)	386,282,957	295,697,624