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Accounts Receivable
6 Months Ended
Jun. 30, 2021
Receivables [Abstract]  
Accounts Receivable ACCOUNTS RECEIVABLE
Accounts receivable consist of the following:
As of June 30, 2021As of December 31, 2020
Accounts receivable$63,601 $68,504 
Allowance for credit losses(3,635)(3,888)
Total$59,966 $64,616 

Activity related to the allowance for credit losses was as follows:
Six Months Ended June 30, 2021
Beginning balance of the allowance for credit losses$(3,888)
Current period provision for expected credit losses, net of recoveries43 
Charge-offs of amounts previously written off210 
Ending balance of the allowance for credit losses$(3,635)