NOTES PAYABLE - Notes Payable under 2012 Credit Agreement (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Nov. 28, 2012
Dec. 31, 2012
Jun. 24, 2013
Debt Instrument [Line Items]          
Accumulated amortization of loan discount $ 717 $ 2,914   $ 213  
Payment in kind interest 1,022 2,040      
Loss on early extinguishment of debt 17,157 0      
Notes Payable | Former SAE Common Stockholders          
Debt Instrument [Line Items]          
Debt, principal amount         17,500
Notes Payable | 2012 Credit Agreement          
Debt Instrument [Line Items]          
Debt instrument, term     4 years    
Debt, face amount     80,000    
Stated interest rate     13.50%    
Quarterly principal payment     200    
Quarterly interest payment, percent     0.25%    
Percentage of common stock issued     1.00%    
Loan issuance costs     12,029    
Unamortized loan discount 7,983 607      
Accumulated amortization of loan discount   158      
Loan issuance costs and discount amortization expense 2,298 2,860      
Payment in kind interest, percent     2.50%    
Payment in kind interest 1,022 2,040      
Loss on early extinguishment of debt 17,157        
Prepayment penalties 8,877        
Legal fees $ 297