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Inventory (Tables)

12 Months Ended

Dec. 31, 2020

Inventory Disclosure [Abstract]

Schedule of inventory, net of reserves

Inventory consisted of the following (in thousands):

​

​	​	​	​	​	​	​
​	​	December 31,
​	​	2020			2019
Parts and supplies	​	$	57,433	​	$	66,121
Work in progress	​		6,237	​		8,346
Inventory	​	$	63,670	​	$	74,467

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- References

No definition available.

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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