XML 40 R28.htm IDEA: XBRL DOCUMENT v3.20.2
Allowance For Doubtful Accounts (Tables)
9 Months Ended
Sep. 30, 2020
Allowance for Doubtful Accounts  
Changes in allowance for doubtful accounts

​

​

​

​

​

Allowance for doubtful accounts, balance at December 31, 2019

​

$

14,417

Reserve accruals

​

 

3,957

Uncollectable accounts written-off

​

​

(5,316)

Foreign currency translation

​

 

(104)

Allowance for doubtful accounts, balance at September 30, 2020

​

$

12,954