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Investments (Details) - RLJE [Member] - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2016
Jan. 30, 2017
Oct. 14, 2016
Investment [Line Items]      
Debt Instrument, Face Amount     $ 65,000
Investment Warrants, Exercise Price $ 3.00    
Ownership Interest In Investment Upon Full Exercise Of Warrants 50.10%    
Expire On The Fifth Anniversary Of Closing Date [Member]      
Investment [Line Items]      
Warrants Received per RLJE Investment Agreement     5,000,000
Expire On The Sixth Anniversary Of Closing Date [Member]      
Investment [Line Items]      
Warrants Received per RLJE Investment Agreement     10,000,000
Expire On The Seventh Anniversary Of Closing Date [Member]      
Investment [Line Items]      
Warrants Received per RLJE Investment Agreement     5,000,000
Minimum [Member]      
Investment [Line Items]      
Warrants Received per RLJE Investment Agreement     20,000,000
Tranche A Loan [Member]      
Investment [Line Items]      
Debt Instrument, Term 1 year    
Debt Instrument, Interest Rate, Stated Percentage 7.00%    
Debt Instrument, Interest Rate, Stated Percentage To Be Paid In Cash 4.00%    
Debt Instrument, Interest Rate, Stated Percentage To Be Paid In Common Stock 3.00%    
Debt Instrument, Face Amount     $ 5,000
Tranche B Loan [Member]      
Investment [Line Items]      
Debt Instrument, Term 7 years    
Debt Instrument, Interest Rate, Stated Percentage 6.00%    
Debt Instrument, Interest Rate, Stated Percentage To Be Paid In Cash 4.00%    
Debt Instrument, Interest Rate, Stated Percentage To Be Paid In Common Stock 2.00%    
Debt Instrument, Face Amount     60,000
Debt Instrument, Face Amount, Due on Fifth Anniversary     15,000
Debt Instrument, Face Amount, Due on Sixth Anniversary     $ 30,000
Amended Tranche A Loan [Member]      
Investment [Line Items]      
Debt Instrument, Term 7 years    
Subsequent Event [Member] | Tranche A Loan [Member]      
Investment [Line Items]      
Debt Instrument, Face Amount   $ 13,000  
Subsequent Event [Member] | Amended Tranche A Loan [Member]      
Investment [Line Items]      
Debt Instrument, Face Amount   $ 8,000