Annual report pursuant to Section 13 and 15(d)

LONG???TERM DEBT - Additional Information (Details)

v3.10.0.1
LONG‑TERM DEBT - Additional Information (Details)
12 Months Ended
Dec. 19, 2018
USD ($)
Feb. 22, 2018
USD ($)
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, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Debt Instrument [Line Items]                      
Proceeds from additional common equity capitalization                 $ 0 $ 0 $ 40,425,000
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 0 30,000,000
Payments of debt extinguishment costs         500,000       0 0 525,000
Gain on extinguishment of debt         $ 7,000,000       0 0 6,975,000
Repayments of borrowings     $ 71,800,000           $ 80,946,000 $ 166,546,000 $ 41,295,000
Debt instrument, term             36 months        
Number of hydraulic fracturing fleets | fleet             3        
Proceeds from debt             $ 25,000,000        
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      
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              
ABL Credit Facility | Line of Credit                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity $ 300,000,000.0 $ 200,000,000.0 $ 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% 10.00% 10.00%                
Line of credit facility, coverage ratio establishing threshold, option two, amount $ 22,500,000.0 $ 15,000,000 $ 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%                
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