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Accounts Receivable
 3 Months Ended
Mar. 31, 2020
Receivables [Abstract]  
Accounts Receivable Accounts Receivable
Accounts receivable and the related allowance for doubtful accounts are as follows:
 
 March 31,
2020		December 31, 2019
 (in thousands)
Accounts receivable$70,541  $67,752  
Less:  Allowance for doubtful accounts(647) (353) 
Total, net
$69,894  $67,399  
 
 Three months ended
 March 31,
2020		March 31,
2019
Allowance for doubtful accounts:(in thousands)
Balance, beginning of period$353  $264  
Provisions for losses on accounts receivables, net of adjustments294  115  
Balance, end of period$647  $379