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Allowance for Doubtful Accounts
3 Months Ended
Mar. 31, 2022
Receivables [Abstract]  
Allowance for Doubtful Accounts Allowance for Doubtful Accounts
The Company estimates expected credit losses using a number of factors, including customer credit ratings, age of receivables, historical credit loss information and current and forecasted economic conditions (including the impact of the COVID-19 pandemic) which could affect the collectability of the reported amounts. All of these factors have been considered in the estimate of expected credit losses.
The activity related to the allowance for doubtful accounts was as follows:
Three months ended March 31,
(in thousands)20222021
Balance at beginning of period$5,980 $7,698 
Bad debt expense (recovery)922 (445)
Amount of receivables written off(44)(144)
Foreign currency translation and other(72)(32)
Balance at end of period$6,786 $7,077