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Accounts Receivable and Allowance for Credit Losses (Tables)
6 Months Ended
Jun. 30, 2020
Accounts Receivable and Allowance for Credit Losses  
Schedule of allowance for credit losses

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(in thousands)

Balance, December 31, 2019

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$

339

Credit losses

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1,633

Less writeoffs

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​

(896)

Balance, June 30, 2020

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$

1,076