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Property and equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property and equipment

Property and equipment consist of the following (dollar amounts in thousands):

		Estimated Useful Life (Years)				December 31,
						2014				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				80,919				82,189
Furniture, fixtures and office equipment			5-10				5,015				5,046
Computer equipment and software			3				10,465				11,289
Leasehold improvements			4				17				17
Construction in progress							39,580				14,756
							310,348				287,617
Less accumulated depreciation and amortization							(118,221	)			(111,060	)
Total property and equipment, net						$	192,127			$	176,557

X

- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 13

-Subparagraph b

-Article 5

+ Details

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Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration