Accounts Receivable and Allowance for Doubtful Accounts (Tables)

9 Months Ended

Sep. 30, 2020

Allowance For Doubtful Accounts And Unbilled Services [Abstract]

Accounts Receivable, Allowance for Credit Loss

The following table summarizes total bad debt expense and write-offs for the three and nine months ended September 30, 2020:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Bad debt expense	$	3,984	$	7,292	$	15,608	$	13,552
Write-offs	6,182		2,951		19,707		8,869