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Property, plant and equipment | 12 Months Ended
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Dec. 31, 2021
Property, plant and equipment |
Property, plant and equipment | 6. Property, plant and equipment Property, plant and equipment are summarized as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ | ​ | 2021 | ​ | 2020
​ | ​ | ​ | ​ | ​
Land | ​ | $ | 3,969 | ​ | $ | 2,378
Land improvements | ​ | 5,278 | ​ | 4,830
Leasehold improvements | ​ | ​ | 5,405 | ​ | ​ | 4,087
Buildings | ​ | 34,635 | ​ | 29,580
Machinery and equipment | ​ | 68,939 | ​ | 61,154
Furniture and fixtures | ​ | 22,275 | ​ | 19,782
Mobile equipment and other | ​ | 4,737 | ​ | 5,200
Construction-in-process | ​ | 4,235 | ​ | 11,751
Total property, plant and equipment | ​ | 149,473 | ​ | 138,762
Less accumulated depreciation | ​ | (82,686) | ​ | (74,442)
Net property, plant and equipment | ​ | $ | 66,787 | ​ | $ | 64,320
​

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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