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Property, Plant, and Equipment | 12 Months Ended
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Dec. 31, 2016
Property, Plant and Equipment [Abstract] |
Property, Plant, and Equipment | Property, Plant, and Equipment Property, plant, and equipment consisted of the following (in thousands):
| December 31,
| 2016 |  | 2015
Land | $ | 3,951 |  |  | $ | 3,951 |
Buildings | 23,280 |  |  | 23,439 |
Building improvements | 28,049 |  |  | 25,741 |
Leasehold improvements | 5,237 |  |  | 4,999 |
Computer hardware and software | 39,409 |  |  | 35,350 |
Manufacturing test equipment | 18,726 |  |  | 16,201 |
Furniture and fixtures | 4,843 |  |  | 4,401 |
| 123,495 |  |  | 114,082 |
Less: accumulated depreciation | (69,503 | ) |  | (60,797 | )
| $ | 53,992 |  |  | $ | 53,285 |
The cost of property, plant, and equipment totaling $3,191,000 and $2,285,000 was removed from both the asset and accumulated depreciation balances in 2016 and 2015, respectively. Gains and losses on these disposals were immaterial in both periods. Buildings include rental property with a cost basis of $5,750,000 as of December 31, 2016 and 2015, and accumulated depreciation of $2,922,000 and $2,775,000 as of December 31, 2016 and 2015, respectively.

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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2921-110230 Reference 4: 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 + Details
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