Property and equipment

9 Months Ended

Sep. 30, 2014

6. Property and equipment

Property and equipment — net consisted of the following (dollar amounts in thousands):


	Estimated Useful Life (Years)		September 30, 2014			December 31, 2013
Land		—	$	5,273		$	5,273
Buildings		39-40		54,948			54,948
Building improvements		5-40		114,131			114,099
Machinery and equipment		3-15		82,068			82,189
Furniture, fixtures and office equipment		5-10		5,087			5,046
Computer equipment and software		3		11,335			11,289
Leasehold improvements		4		17			17
Construction in progress				36,214			14,756

				309,073			287,617
Less accumulated depreciation and amortization				(118,150	)		(111,060	)

Property and equipment — net			$	190,923		$	176,557

Leasehold improvements are amortized over four years which is the shorter of the term of the lease or the service lives of the improvements.

Depreciation and amortization expense related to property and equipment for the three and nine months ended September 30, 2014 and 2013 was as follows (in thousands):


	Three months ended September 30,				Nine months ended September 30,
	2014		2013		2014		2013
Depreciation and amortization expense	$	2,414	$	2,874	$	7,386	$	8,820

- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

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