Quarterly report pursuant to Section 13 or 15(d)

Allowance for Doubtful Accounts (Details)

v3.20.2
Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]        
Balance, beginning of period $ 7,539 $ 8,579 $ 7,384 $ 6,960
Additions charged to expense 209 711 1,158 3,934
Write-offs charged against allowance (1,079) (243) (1,873) (1,847)
Balance, end of period $ 6,669 $ 9,047 $ 6,669 $ 9,047