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Credit Losses (Tables)
9 Months Ended
Sep. 30, 2020
Credit Loss [Abstract]  
Schedule Of Changes In Allowance For Credit Losses
Changes in our allowance for credit losses were as follows (in thousands):
 
Balance as of January 1, 2020
   $ 6,878  
Cumulative effect of change in accounting principle
     1,600  
Current period provision
     3,839  
Recoveries collected and other
     466  
Amounts written off
     (3,417
  
 
 
 
Balance as of September 30, 2020
   $ 9,366