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Allowance for Expected Credit Losses (Tables)
 12 Months Ended
Dec. 31, 2021
Credit Loss [Abstract]  
Summary of Changes in Allowance for Expected Credit Losses for Trade Receivables
The following table presents the changes in the allowance for expected credit losses for our trade receivables and short-term contract assets as of December 31, 2021, 2020 and 2019:
(Amounts in thousands)Trade receivablesShort-term contract assets
Beginning balance, January 1, 2021$75,176 $3,205 
Charges to cost and expenses, net of recoveries3,934 — 
Write-offs(2,015)— 
Currency effects and other, net(2,759)(812)
Ending balance, December 31 , 2021$74,336 $2,393 
Beginning balance, January 1, 2020$53,412 $206 
Adoption of ASU 2016-136,970 2,779 
Charges to cost and expenses, net of recoveries9,326 — 
Currency effects and other, net5,468 220 
Ending balance, December 31 , 2020$75,176 $3,205 
Beginning balance, January 1, 2019$51,501 $— 
Charges to cost and expenses, net of recoveries734 206 
Currency effects and other, net1,177 — 
Ending balance, December 31 , 2019$53,412 $206 
Summary of Changes in Allowance for Expected Credit Losses for Contract Assets
The following table presents the changes in the allowance for expected credit losses for our trade receivables and short-term contract assets as of December 31, 2021, 2020 and 2019:
(Amounts in thousands)Trade receivablesShort-term contract assets
Beginning balance, January 1, 2021$75,176 $3,205 
Charges to cost and expenses, net of recoveries3,934 — 
Write-offs(2,015)— 
Currency effects and other, net(2,759)(812)
Ending balance, December 31 , 2021$74,336 $2,393 
Beginning balance, January 1, 2020$53,412 $206 
Adoption of ASU 2016-136,970 2,779 
Charges to cost and expenses, net of recoveries9,326 — 
Currency effects and other, net5,468 220 
Ending balance, December 31 , 2020$75,176 $3,205 
Beginning balance, January 1, 2019$51,501 $— 
Charges to cost and expenses, net of recoveries734 206 
Currency effects and other, net1,177 — 
Ending balance, December 31 , 2019$53,412 $206 
Summary of Changes in Allowance for Expected Credit Losses for Long-term Receivables The following table presents the changes in the allowance for long-term receivables as of December 31, 2021, 2020 and 2019:
(Amounts in thousands)202120202019
Beginning balance, January 1,$67,842 $68,555 $68,792 
Adoption of ASU 2016-13— (679)— 
Currency effects and other, net(146)(34)(237)
Ending balance, December 31,$67,696 $67,842 $68,555