XML 49 R37.htm IDEA: XBRL DOCUMENT v3.21.2
ALLOWANCE FOR CREDIT LOSSES: (Tables)
3 Months Ended
Jun. 30, 2021
Credit Loss [Abstract]  
Schedule of activity of the allowance for credit losses, returns and credits
A summary of the activity of the allowance for credit losses, returns and credits was (dollars in thousands):

Balance at beginning of periodAdditions charged to costs and expensesOther changesBad debts written off, net of amounts recoveredBalance at end of period
For the three months ended June 30, 2021$7,617 $955 $$(162)$8,414