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 estimated useful lives:

Buildings

 

10 - 40 years

Machinery and equipment

 

3 - 30 years

Leasehold improvements

 

2 - 5 years

Fixtures and furnishings

 

5 - 7 years

Land improvements

 

15 years

Land

 

Indefinite

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

 

 

Year Ended December 31, 2025

 

(in thousands)

 

Cost

 

 

Accumulated
Depreciation

 

 

Net Book
Value

 

Buildings

 

$

84,757

 

 

$

7,046

 

 

$

77,711

 

Machinery and equipment

 

 

386,572

 

 

 

73,401

 

 

 

313,171

 

Leasehold improvements

 

 

4,829

 

 

 

2,959

 

 

 

1,870

 

Fixtures and furnishings

 

 

764

 

 

 

383

 

 

 

381

 

Land improvements

 

 

150

 

 

 

52

 

 

 

98

 

Land

 

 

1,150

 

 

 

 

 

 

1,150

 

Construction in progress

 

 

263,371

 

 

 

 

 

 

263,371

 

Total property, plant and equipment

 

$

741,593

 

 

$

83,841

 

 

$

657,752

 

 

 

Year Ended December 31, 2024

 

(in thousands)

 

Cost

 

 

Accumulated
Depreciation

 

 

Net Book
Value

 

Buildings

 

$

82,026

 

 

$

4,843

 

 

$

77,183

 

Machinery and equipment

 

 

374,639

 

 

 

48,452

 

 

 

326,187

 

Leasehold improvements

 

 

4,829

 

 

 

2,150

 

 

 

2,679

 

Fixtures and furnishings

 

 

800

 

 

 

286

 

 

 

514

 

Land improvements

 

 

150

 

 

 

42

 

 

 

108

 

Land

 

 

1,150

 

 

 

 

 

 

1,150

 

Construction in progress

 

 

266,258

 

 

 

 

 

 

266,258

 

Total property, plant and equipment

 

$

729,852

 

 

$

55,773

 

 

$

674,079

 

 

Historical Timeline

Fiscal YearFiled
2025Feb 26, 2026Showing above
2024Feb 27, 2025
2023Mar 6, 2024
2022Mar 16, 2023
2021Mar 29, 2022

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.