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Schedule II - Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2020
Schedule II - Valuation and Qualifying Accounts  
Schedule II - Valuation and Qualifying Accounts

Schedule II — Valuation and Qualifying Accounts

Additions

Charged

    

Balance at

    

(Credited)

    

Charged to

    

    

Balance at

Beginning

 to Costs and

Other

End of

Deducted from asset accounts:

of Period

Expenses

Accounts

Deductions

Period

(in thousands)

Year ended December 31, 2020

Allowance for doubtful accounts

$

602

$

140

$

$

(6)

$

736

Valuation allowance in net deferred tax assets

 

130,053

 

513

 

 

(12,123)

 

118,443

$

130,655

$

653

$

$

(12,129)

$

119,179

Year ended December 31, 2019

Allowance for doubtful accounts

$

270

$

392

$

$

(60)

$

602

Valuation allowance in net deferred tax assets

 

114,955

 

15,098

 

 

 

130,053

$

115,225

$

15,490

$

$

(60)

$

130,655

Year ended December 31, 2018

Allowance for doubtful accounts

$

270

$

$

$

$

270

Valuation allowance in net deferred tax assets

 

100,456

 

14,499

 

 

 

114,955

$

100,726

$

14,499

$

$

$

115,225