PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2023

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	10-39 years
Land	Indefinite
Office equipment and furniture	3-5 years
Machinery and equipment	3-30 years
Fixtures and Furnishings	5-7 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, 2023
(in thousands)	Cost		Accumulated Depreciation		Net Book Value
Building	$	81,593	$	2,440	$	79,153
Machinery and equipment	349,796		20,415		329,381
Leasehold improvements	2,972		1,447		1,525
Fixtures and furnishings	711		177		534
Land improvements	150		32		118
Land	1,150		—		1,150
Construction in process	226,885		—		226,885
Total property, plant and equipment	$	663,257	$	24,511	$	638,746

	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