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Summary of Significant Accounting Policies - Allowance for Credit Loss (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]    
Beginning Balance $ 1,623 $ 1,245
Charge to allowance for credit losses 499 505
Write-offs/adjustments (435) (10)
Recoveries (236) (117)
Ending balance $ 1,451 $ 1,623