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Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2020
Accounting Policies [Abstract]  
Accounts Receivable, Allowance for Credit Loss
The following table shows the activity in the allowance for credit losses for the nine months ended September 30, 2020:
Balance at December 31, 2019$7,513 
Charged to operating expenses759 
Write offs of accounts receivable, net of recoveries(1,110)
Balance at September 30, 2020$7,162