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INVENTORY (Tables)
9 Months Ended
Sep. 30, 2023
INVENTORY  
Schedule of inventory

Following are the major classes of inventory as of the below dates (in thousands):

​

​

​

​

​

​

​

​

    

September 30, 2023

    

December 31, 2022

Used serviceable materials

​

$

91,680

​

$

73,827

Work-in-process

​

​

20,113

​

​

16,659

Whole assets

​

​

215,032

​

​

93,044

​

​

$

326,825

​

​

183,530

Less short term

​

 

(200,807)

​

 

(117,488)

Long term

​

$

126,018

​

$

66,042