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

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

(amounts in thousands)

 

 

 

Balance at

 

 

Charges to

 

 

Balance

 

 

 

beginning

 

 

costs and

 

 

at end

 

Valuation Allowance for Deferred Tax Assets:

 

of period

 

 

expenses

 

 

of period

 

Year ended December 31, 2020

 

$

75,277

 

 

$

(7,274

)

 

$

68,003

 

Year ended December 31, 2019

 

$

79,264

 

 

$

(3,987

)

 

$

75,277

 

Year ended December 31, 2018

 

$

70,227

 

 

$

9,037

 

 

$

79,264