Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Allowance for Credit Loss (Details)

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Summary of Significant Accounting Policies - Allowance for Credit Loss (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]    
Allowance for credit loss, beginning of period $ 2,260 $ 2,765
Charges to costs and expenses, net 49 77
Account write-offs and other (189) (29)
Allowance for credit loss, end of period $ 2,120 $ 2,813