v3.26.1
Variable Interest Entity - Schedule of Consolidated Balance Sheets (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Condensed Balance Sheet Statements, Captions [Line Items]    
Cash and cash equivalents $ 359,925 $ 16,761
Prepaid expenses and other current assets 3,151 378
Operating lease right-of-use assets 321 30
Property, plant and equipment, net 85,406 26,529
Total assets 694,999 69,069
Finance leases, current 283 0
Operating leases, current 137 23
Finance leases, non-current 875 0
Total liabilities 191,808 15,125
VIE    
Condensed Balance Sheet Statements, Captions [Line Items]    
Cash and cash equivalents 38 66
Prepaid expenses and other current assets 106 178
Operating lease right-of-use assets 321 30
Mineral interests 17,339 17,125
Property, plant and equipment, net 201 264
Other non-current assets 27 20
Total assets 18,032 17,683
Accounts payable 61 42
Accrued liabilities 469 141
Finance leases, current 137 0
Operating leases, current 0 22
Finance leases, non-current 185 0
Total liabilities $ 852 $ 205