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ALLOWANCE FOR DOUBTFUL ACCOUNTS (Tables)
9 Months Ended
Sep. 30, 2021
Allowance for Doubtful Accounts  
Changes in allowance for doubtful accounts

Allowance for doubtful accounts, balance at December 31, 2020

$

12,670

Reserve accruals

 

2,940

Uncollectable accounts written-off

(3,669)

Foreign currency translation

 

(25)

Allowance for doubtful accounts, balance at September 30, 2021

$

11,916