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LONG‑TERM DEBT - Additional Information (Details)
12 Months Ended
Mar. 22, 2017
USD ($)
Jan. 13, 2017
USD ($)
Jun. 16, 2016
USD ($)
Jun. 08, 2016
USD ($)
Nov. 24, 2015
USD ($)
fleet
Sep. 30, 2013
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Feb. 22, 2018
USD ($)
Debt Instrument [Line Items]                    
Proceeds from additional common equity capitalization             $ 0 $ 40,425,000 $ 0  
Debt instrument, covenant, additional capital, reserved for working capital       $ 10,000,000            
Debt instrument, covenant, additional capital, available for repurchase of debt       $ 30,000,000            
Debt instrument, covenant, financial statements, past due, period       30 days            
Debt instrument, repurchase price to par     $ 0.80              
Debt instrument, repurchase price, discount to par, percentage     20.00%              
Extinguishment of debt     $ 37,500,000              
Early repayment of senior debt     30,000,000       0 30,000,000 0  
Payments of debt extinguishment costs     500,000       0 525,000 0  
Gain on extinguishment of debt     $ 7,000,000       0 6,975,000 0  
Repayments of borrowings $ 71,800,000           166,546,000 41,295,000 $ 73,782,000  
Debt instrument, term         36 months          
Number of hydraulic fracturing fleets | fleet         3          
Proceeds from debt         $ 25,000,000          
Proceeds from lines of credit             $ 72,942,000 $ 176,327,000    
Maximum                    
Debt Instrument [Line Items]                    
Debt instrument, covenant, leverage ratio, maximum           3.5        
6.25% Term loan | 6.25% Term loan                    
Debt Instrument [Line Items]                    
Debt instrument, face amount           $ 220,000,000        
Debt instrument, interest rate, stated percentage             6.25%      
Repayment of prior debt outstanding, percentage           100.00%        
Repayments of debt   $ 75,000,000                
Revolving Credit Facility | Line of Credit                    
Debt Instrument [Line Items]                    
Line of credit facility, maximum borrowing capacity           $ 40,000,000        
Debt instrument, interest rate, stated percentage           6.25%        
Debt instrument, variable floor rate           1.00%        
Repayments of borrowings   $ 13,500,000                
Equipment financing | Equipment financing                    
Debt Instrument [Line Items]                    
Proceeds from lines of credit             $ 4,700,000      
ABL Credit Facility | Line of Credit                    
Debt Instrument [Line Items]                    
Line of credit facility, maximum borrowing capacity $ 150,000,000                  
Line of credit facility, expiration period 5 years                  
Line of credit facility, borrowing base, accounts receivable percentage 85.00%                  
Line of credit, springing fixed charge coverage ratio 1.0                  
Line of credit facility, coverage ratio establishing threshold, option one, percentage of facility size and borrowing base 10.00%                  
Line of credit facility, coverage ratio establishing threshold, option two, amount $ 12,000,000                  
Line of credit facility, commitment fee, utilization percentage, threshold 50.00%                  
ABL Credit Facility | Line of Credit | Minimum                    
Debt Instrument [Line Items]                    
Line of credit facility, commitment fee percentage 0.25%                  
ABL Credit Facility | Line of Credit | Maximum                    
Debt Instrument [Line Items]                    
Line of credit facility, commitment fee percentage 0.38%                  
ABL Credit Facility | Line of Credit | London Interbank Offered Rate (LIBOR) | Minimum                    
Debt Instrument [Line Items]                    
Debt instrument, basis spread on variable rate 1.75%                  
ABL Credit Facility | Line of Credit | London Interbank Offered Rate (LIBOR) | Maximum                    
Debt Instrument [Line Items]                    
Debt instrument, basis spread on variable rate 2.25%                  
ABL Credit Facility | Line of Credit | Base Rate | Minimum                    
Debt Instrument [Line Items]                    
Debt instrument, basis spread on variable rate 0.75%                  
ABL Credit Facility | Line of Credit | Base Rate | Maximum                    
Debt Instrument [Line Items]                    
Debt instrument, basis spread on variable rate 1.25%                  
Term Loan | Equipment financing                    
Debt Instrument [Line Items]                    
Fair value percentage of carrying value               89.00%    
Investor                    
Debt Instrument [Line Items]                    
Proceeds from additional common equity capitalization       $ 400,000            
Energy Capital Partners | Majority Shareholder                    
Debt Instrument [Line Items]                    
Proceeds from additional common equity capitalization       $ 40,000,000            
Estimated fair value measurements | Term Loan | Equipment financing                    
Debt Instrument [Line Items]                    
Debt instrument, fair value disclosure               $ 130,600,000    
Balance | Term Loan | Equipment financing                    
Debt Instrument [Line Items]                    
Debt instrument, fair value disclosure               $ 146,800,000    
Subsequent Event | ABL Credit Facility | Line of Credit                    
Debt Instrument [Line Items]                    
Line of credit facility, maximum borrowing capacity                   $ 200,000,000