PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Summary of Property and Equipment

Property, plant and equipment are recorded at cost and are depreciated over their estimated useful lives, unless the useful life is indefinite, using the straight-line method over the following table:

Building	39 years
Land	Indefinite
Office equipment and furniture	7 years
Machinery and equipment	3-10 years
Fixtures and Furnishings	5 years

Presented in the table below are the major classes of property, plant and equipment by category as of the below dates:

	As of December 31, 2022
(in thousands)	Cost		Accumulated Depreciation		Net Book Value
Building	$	12,534	$	1,016	$	11,518
Machinery and equipment	23,728		6,674		17,054
Leasehold improvements	2,957		803		2,154
Fixtures and furnishings	529		83		446
Land improvements	150		22		128
Land	1,150		—		1,150
Construction in process	473,269		—		473,269
Total property, plant and equipment	$	514,317	$	8,598	$	505,719

	As of December 31, 2021
(in thousands)	Cost		Accumulated Depreciation		Net Book Value
Building	$	12,029	$	695	$	11,334
Machinery and equipment	20,016		4,183		15,833
Leasehold improvements	2,902		154		2,748
Fixtures and furnishings	104		37		67
Land improvements	150		12		138
Land	1,150		—		1,150
Construction in process	193,944		—		193,944
Total property, plant and equipment	$	230,295	$	5,081	$	225,214