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Credit Losses (Tables)
9 Months Ended
Sep. 30, 2020
Credit Loss [Abstract]  
Summary of Allowance for Credit Losses Related to Accounts Receivable and Changes

The allowance for credit losses related to accounts receivable as of September 30, 2020, and changes for the quarters ended March 31, June 30 and September 30, 2020 are as follows (in thousands):

 

Balance at December 31, 2019

$

6,516

 

Provision for expected credit losses

 

1,055

 

Balance at March 31, 2020

 

7,571

 

Provision for expected credit losses

 

4,551

 

Balance at June 30, 2020

 

12,122

 

Provision for expected credit losses

 

 

Write-offs

 

(1,126

)

Balance at September 30, 2020

 

10,996