Quarterly report pursuant to Section 13 or 15(d)

PROPERTY, PLANT AND EQUIPMENT - Summary of Property and Equipment (Details)

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PROPERTY, PLANT AND EQUIPMENT - Summary of Property and Equipment (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Cost $ 193,529 $ 76,867
Accumulated Depreciation 4,307 2,800
Net Book Value 189,222 74,067
Building    
Property, Plant and Equipment [Line Items]    
Cost 12,029 12,029
Accumulated Depreciation 618 387
Net Book Value 11,411 11,642
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Cost 18,569 15,982
Accumulated Depreciation 3,645 2,388
Net Book Value 14,924 13,594
Fixtures and Furnishings    
Property, Plant and Equipment [Line Items]    
Cost 104 104
Accumulated Depreciation 34 22
Net Book Value 70 82
Land improvements    
Property, Plant and Equipment [Line Items]    
Cost 150 150
Accumulated Depreciation 10 3
Net Book Value 140 147
Land    
Property, Plant and Equipment [Line Items]    
Cost 1,150 1,150
Accumulated Depreciation 0 0
Net Book Value 1,150 1,150
Construction in process    
Property, Plant and Equipment [Line Items]    
Cost 161,527 47,452
Accumulated Depreciation 0 0
Net Book Value $ 161,527 $ 47,452