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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
12 Months Ended
Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
FOR THE THREE YEARS ENDED DECEMBER 31, 2019
Column A
 
Column B
 
Column C
 
Column D
 
Column E
 
 
 
 
 
 
 
 
 
 
 
Description
 
Balance at Beginning of Period
 
(Deductions) Additions Charged to
Costs and Expenses
 
Additions Charged to Other Accounts
 
Deductions
 
Balance at End
of Period
 
 
(Thousands)
Valuation allowance for deferred tax assets:
 
 
 
 
 
 
 
2019
 
$
351,408

 
$
84,260

 
$
1,114

 
$
(13,338
)
 
$
423,444

2018
 
262,392

 
98,311

 

 
(9,295
)
 
351,408

2017
 
201,422

 
70,063

 

 
(9,093
)
 
262,392


All other schedules are omitted since the subject matter thereof is either not present or is not present in amounts sufficient to require submission of the schedules.