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Statement of Financial Position, Classified
 12 Months Ended
Dec. 31, 2021
Statement of Financial Position [Abstract]  
Schedule of Valuation and Qualifying Accounts Disclosure
Schedule II — Valuation and Qualifying Accounts (in thousands)
Column AColumn BColumn CColumn DColumn E
  Additions  
 (1)(2)  
 Balance at the
Beginning of
Period		Charged to
Costs and Expenses		Charged to
Other Accounts		 Balance at End
of Period
Description-Deductions-
   Note (A)Note (B) 
Deferred tax valuation allowance:     
Year ended December 31, 2021$52,388 $2,058 $— $3,320 $51,126 
Year ended December 31, 2020$50,853 $2,824 $3,009 $4,298 $52,388 
Year ended December 31, 2019$15,084 $36,658 $— $889 $50,853 
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Note (A)
Amounts in 2020 relate primarily to changes in currency translation adjustments.
Note (B)
Amounts in 2021, 2020, and 2019 include decreases in state net operating losses and credits, foreign tax credit, and R&D credit carryforwards.