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Accounts Receivable and Allowance for Doubtful Accounts (Tables)
 6 Months Ended
Jun. 30, 2020
Receivables [Abstract]  
Components of Accounts Receivable and Allowance for Doubtful Accounts
Accounts receivable and the allowance for doubtful accounts are comprised of the following:
(in thousands)
June 30, 2020
 
December 31, 2019
Accounts receivable - trade
$
101,717

 
$
105,373

Allowance for doubtful accounts
(266
)
 
(306
)
   Accounts receivable, net
$
101,451

 
$
105,067