XML 75 R64.htm IDEA: XBRL DOCUMENT v3.21.2
Revenue from Contract with Customers - Credit Losses (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Revenue from Contract with Customer [Abstract]    
Contractual life of accounts receivable 30 days  
Period for analyzing historical loss data to determine loss experience 2 years  
Changes in the allowance for credit losses balance    
Balance at beginning of period $ 3,370  
Provision for (benefit from) credit losses (215) $ 2,282
Write-offs charged against the allowance (424)  
Balance at end of period $ 2,731