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Allowance for Credit Losses
 12 Months Ended
Dec. 31, 2022
Receivables [Abstract]  
Allowance for Credit Losses

7. Allowance for Credit Losses

Changes in the allowance for credit losses were as follows:

 

 

 

Years Ended December 31,

 

 

 

2022

 

 

2021

 

 

2020

 

Allowance for credit losses, beginning of the period

 

$

1,809

 

 

$

1,556

 

 

$

686

 

Provisions

 

 

803

 

 

 

714

 

 

 

1,646

 

Write-offs

 

 

(728

)

 

 

(461

)

 

 

(776

)

Allowance for credit losses, end of the period

 

$

1,884

 

 

$

1,809

 

 

$

1,556