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Inventories, Net (Tables)
 9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Schedule of components of inventories
 

December 31,
2020

  

September 30,
2021

Work in process

  

$

22,167

  

$

18,222

Raw materials

  

 

17,451

  

 

20,725

Finished goods

  

 

5,350

  

 

8,873

Total

  

$

44,968

  

$

47,820
 

December 31,
2019

  

December 31,
2020

Work in process

  

$

27,854

  

$

22,167

Raw materials

  

 

17,201

  

 

17,451

Finished goods

  

 

12,249

  

 

5,350

Total

  

$

57,304

  

$

44,968