v3.26.1
OPERATING SEGMENTS - Disaggregation of Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment Reporting Information [Line Items]      
Revenue $ 581,778 $ 316,618  
Cost of sales [1] 195,119 136,641  
Depreciation, depletion, and amortization 30,180 30,613  
General and administrative expense 38,480 23,894  
Exploration and evaluation 5,304 5,961  
Reclamation and remediation costs 6,498 3,705  
Other operating expense (income), net 5,816 9,020  
Operating income (loss) 300,381 106,784  
Interest expense 1,270 1,792  
Other income (expense) 7,907 6,252  
Foreign exchange gain (loss) 2,943 (5,631)  
Income (loss) before income and mining taxes 309,961 105,613  
Total assets [2] 5,946,734   $ 6,093,898
Total from Continuing Operations      
Segment Reporting Information [Line Items]      
Revenue 581,778 316,618  
Cost of sales 195,119 136,641  
Depreciation, depletion, and amortization 30,180 30,613  
General and administrative expense 38,480 23,894  
Exploration and evaluation 5,304 5,961  
Reclamation and remediation costs 6,498 3,705  
Other operating expense (income), net 5,816 9,020  
Operating income (loss) 300,381 106,784  
Interest expense (1,270) (1,792)  
Interest income 3,160 2,997  
Other income (expense) 4,747 3,255  
Foreign exchange gain (loss) 2,943 (5,631)  
Income (loss) before income and mining taxes 309,961 105,613  
Capital expenditures 86,327 42,561  
Total assets 3,686,781 2,977,243  
Operating Segments      
Segment Reporting Information [Line Items]      
Revenue 581,778 316,618  
Cost of sales 195,119 136,641  
Depreciation, depletion, and amortization 30,025 30,501  
General and administrative expense 0 0  
Exploration and evaluation 4,201 5,400  
Reclamation and remediation costs 6,498 3,705  
Other operating expense (income), net 4,109 583  
Operating income (loss) 341,826 139,788  
Interest expense (15) (105)  
Interest income 868 2,373  
Other income (expense) 5,095 3,603  
Foreign exchange gain (loss) 5,662 (3,792)  
Income (loss) before income and mining taxes 353,436 141,867  
Capital expenditures 55,703 30,399  
Total assets 2,513,245 2,031,310  
Operating Segments | Marigold      
Segment Reporting Information [Line Items]      
Revenue 187,639 117,180  
Cost of sales 71,634 58,726  
Depreciation, depletion, and amortization 9,999 8,713  
General and administrative expense 0 0  
Exploration and evaluation 243 692  
Reclamation and remediation costs 889 806  
Other operating expense (income), net 2,843 344  
Operating income (loss) 102,031 47,900  
Interest expense 0 0  
Interest income 203 1,600  
Other income (expense) (203) (213)  
Foreign exchange gain (loss) 0 0  
Income (loss) before income and mining taxes 102,031 49,287  
Capital expenditures 25,673 15,250  
Total assets 928,448 804,471  
Operating Segments | CC&V      
Segment Reporting Information [Line Items]      
Revenue 186,452 34,872  
Cost of sales 54,746 17,966  
Depreciation, depletion, and amortization 5,379 504  
General and administrative expense 0 0  
Exploration and evaluation 23 195  
Reclamation and remediation costs 3,993 1,284  
Other operating expense (income), net 643 3  
Operating income (loss) 121,668 14,920  
Interest expense (8) 0  
Interest income 140 0  
Other income (expense) 387 0  
Foreign exchange gain (loss) 0 0  
Income (loss) before income and mining taxes 122,187 14,920  
Capital expenditures 7,477 1,393  
Total assets 754,844 516,068  
Operating Segments | Seabee      
Segment Reporting Information [Line Items]      
Revenue 28,446 76,302  
Cost of sales 21,245 23,130  
Depreciation, depletion, and amortization 6,936 13,504  
General and administrative expense 0 0  
Exploration and evaluation 1,815 4,140  
Reclamation and remediation costs 336 336  
Other operating expense (income), net 399 0  
Operating income (loss) (2,285) 35,192  
Interest expense (12) 0  
Interest income 204 428  
Other income (expense) (22) (8)  
Foreign exchange gain (loss) 85 (107)  
Income (loss) before income and mining taxes (2,030) 35,505  
Capital expenditures 17,808 11,802  
Total assets 368,182 371,437  
Operating Segments | Puna      
Segment Reporting Information [Line Items]      
Revenue 179,241 88,264  
Cost of sales 47,494 36,819  
Depreciation, depletion, and amortization 7,711 7,780  
General and administrative expense 0 0  
Exploration and evaluation 2,120 373  
Reclamation and remediation costs 1,280 1,279  
Other operating expense (income), net 224 236  
Operating income (loss) 120,412 41,776  
Interest expense 5 (105)  
Interest income 321 345  
Other income (expense) 4,933 3,824  
Foreign exchange gain (loss) 5,577 (3,685)  
Income (loss) before income and mining taxes 131,248 42,155  
Capital expenditures 4,745 1,954  
Total assets 461,771 339,334  
Corporate and Other      
Segment Reporting Information [Line Items]      
Revenue 0 0  
Cost of sales 0 0  
Depreciation, depletion, and amortization 155 112  
General and administrative expense 38,480 23,894  
Exploration and evaluation 1,103 561  
Reclamation and remediation costs 0 0  
Other operating expense (income), net 1,707 8,437  
Operating income (loss) (41,445) (33,004)  
Interest expense (1,255) (1,687)  
Interest income 2,292 624  
Other income (expense) (348) (348)  
Foreign exchange gain (loss) (2,719) (1,839)  
Income (loss) before income and mining taxes (43,475) (36,254)  
Capital expenditures 30,624 12,162  
Total assets $ 1,173,536 $ 945,933  
[1] Excludes depreciation, depletion, and amortization.
[2] The consolidated assets as of March 31, 2026 and December 31, 2025 include $900.4 million and $858.8 million, respectively, of assets of variable interest entities (“VIEs”) that can only be used to settle the obligations of the VIEs. As of March 31, 2026 and December 31, 2025, the assets include Cash and cash equivalents of $17.0 million and $9.2 million, respectively; Trade and other receivables of $2.0 million and $3.3 million, respectively; Prepaids and other current assets of $10.4 million and $7.1 million, respectively; Prepaids, related party of $23.9 million and $23.5 million, respectively; Mineral properties, plant and equipment, net of $841.9 million and $811.3 million, respectively; and Other non-current assets of $5.2 million and $4.4 million, respectively. The consolidated liabilities as of March 31, 2026 and December 31, 2025 include $143.7 million and $132.8 million, respectively, of liabilities of VIEs whose creditors have no recourse to the Company. As of March 31, 2026 and December 31, 2025, the liabilities include Accounts payable of $3.6 million and $3.8 million, respectively; Accrued liabilities and other of $3.1 million and $4.1 million, respectively; Deferred income tax liabilities of $71.0 million and $73.5 million, respectively; and Other non-current liabilities of $66.0 million and $51.4 million, respectively. Certain consolidated VIE assets and liabilities were classified as held for sale during the first quarter of 2026, refer to Note 3 and Note 4 for further details on held for sale and discontinued operations.