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Due To and From Factor (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Payments Related to Tax Withholding for Share-based Compensation   $ 10,809  
Line of Credit Facility, Collateral   .85  
Line of Credit Facility, Maximum Borrowing Capacity $ 30,000 $ 30,000  
Letters Of Credit SubLimit Capacity Amount   $ 15,000  
Factoring Fee   0.20%  
Debt Instrument, Basis Spread on Variable Rate 0.50%    
Open non-negotiated letters of credit   $ 0 $ 0
Private Label [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Factoring Fee   0.14%  
London Interbank Offered Rate (LIBOR) [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 2.50%