XML 43 R28.htm IDEA: XBRL DOCUMENT v3.20.2
Allowance For Doubtful Accounts (Tables)
6 Months Ended
Jun. 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

​

 

2,889

Uncollectable accounts written-off

​

​

(3,703)

Foreign currency translation

​

 

(128)

Allowance for doubtful accounts, balance at June 30, 2020

​

$

13,475