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Schedule II - Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

    

Balance at

    

Charged to

    

    

    

Beginning of

Costs and

Balance at

(in thousands)

Period

Expenses

Deductions

Other (1)

End of Period

Year Ended December 31, 2021:

 

  

 

  

 

  

 

  

 

  

Allowance for doubtful accounts

$

518

$

(52)

$

(466)

$

$

Valuation allowance for deferred tax assets

$

49,647

$

30,346

$

 

$

79,993

Year Ended December 31, 2020:

 

  

 

  

 

  

 

  

 

  

Allowance for doubtful accounts

$

502

$

16

$

$

$

518

Valuation allowance for deferred tax assets

$

28,846

$

20,801

$

 

$

49,647

Year Ended December 31, 2019:

 

  

 

  

 

  

 

  

 

  

Allowance for doubtful accounts

$

$

502

$

$

$

502

Valuation allowance for deferred tax assets

$

16,022

$

12,626

$

$

198

$

28,846

(1)Amount comprised principally of purchase accounting adjustments in connection with the Sidewinder Merger.