Annual report pursuant to Section 13 and 15(d)

Receivables, net (Details)

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Receivables, net (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Accounts receivable, net    
Gross customer accounts receivable $ 105,737 $ 98,740
Allowance for doubtful accounts (8,658) (6,118)
Customer accounts receivable, net 97,079 92,622
Receivables from distributors 98,498 120,012
Other receivables 27,452 22,148
Total receivables, net $ 223,029 $ 234,782