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Schedule of Changes in Allowance for Doubtful Accounts Receivable (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Operating revenues:    
Balance at beginning of period $ 671  
Provisions for credit losses 1,899 $ 580
Deductions and write-offs, net of foreign currency adjustment (1,021)  
Balance at end of period $ 1,549