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Accounts Receivable, Net (Tables)
3 Months Ended
Mar. 31, 2019
Receivables [Abstract]  
Components of Accounts Receivable
The components of accounts receivable are as follows:
 
As of
(in thousands)
March 31, 2019
 
December 31, 2018
Trade receivables
$
72,513

 
$
66,904

Allowance for doubtful accounts
(3,858
)
 
(3,610
)
    Total accounts receivable, net
$
68,655

 
$
63,294