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Property, plant and equipment
6 Months Ended
Jun. 30, 2019
Property, plant and equipment  
Property, plant and equipment

5.

Property, plant and equipment

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Property, plant and equipment are summarized as follows:

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June 30,

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December 31,

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2019

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2018

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Land

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$

2,378

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$

2,378

Land improvements

​

​

4,450

​

​

4,357

Leasehold improvements

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​

4,087

​

​

4,079

Buildings

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​

28,641

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​

28,238

Machinery and equipment

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​

50,785

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​

50,129

Furniture and fixtures

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​

16,894

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​

16,360

Mobile equipment and other

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​

4,921

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​

4,883

Construction-in-process

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​

6,450

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​

3,084

Total property, plant and equipment

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118,606

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​

113,508

Less accumulated depreciation

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(62,210)

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​

(58,313)

Net property, plant and equipment

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$

56,396

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$

55,195

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