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Schedule II Valuation and Qualifying
 12 Months Ended
Dec. 31, 2020
Valuation And Qualifying Accounts [Abstract]  
Schedule II Valuation and Qualifying Accounts

Schedule II. Valuation and Qualifying Accounts for the Years Ended December 31, 2020, 2019 and 2018

(in thousands):

 

 

 

Balance at

Beginning of Year

 

 

Charged

(Credited) to

Expenses

 

 

Charged

(Credited) to

Other Accounts

 

 

Balance at End of

Year

 

Deferred income tax asset:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Valuation allowance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2018

 

$

32,032

 

 

$

2,794

 

 

$

7,116

 

 

$

41,942

 

2019

 

$

41,942

 

 

$

(4,699

)

 

$

—

 

 

$

37,243

 

2020

 

$

37,243

 

 

$

(50,838

)

 

$

301,490

 

 

$

287,895