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Inventory
6 Months Ended
Jun. 30, 2022
Inventory  
Inventory

3. Inventory

(in thousands)

    

June 30, 2022

    

December 31, 2021

Parts and supplies

$

61,571

$

63,628

Work in progress

 

16,065

 

9,241

Inventory

$

77,636

$

72,869