v3.5.0.2
SIGNIFICANT ACCOUNTING POLICIES - Other Policies (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2016
USD ($)
segment
Sep. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
Significant Accounting Policies            
Allowance for doubtful accounts $ 0 $ 0   $ 0   $ 0
Interest capitalized during the period   0 $ 0 $ 0 $ 0  
Number of operating segments | segment       2    
Asset retirement obligations 0 0   $ 0   0
Liability for deferred taxes $ 900 900   900   1,100
Credit Concentration Risk | Trade Accounts Receivable | BP Plc            
Significant Accounting Policies            
Concentration risk (as a percent) 17.90%          
Credit Concentration Risk | Trade Accounts Receivable | Anadarko Petroleum Corporation            
Significant Accounting Policies            
Concentration risk (as a percent) 13.00%          
Credit Concentration Risk | Trade Accounts Receivable | Texla Energy Management, Inc.            
Significant Accounting Policies            
Concentration risk (as a percent) 12.80%          
Azure System Predecessor            
Significant Accounting Policies            
Liability for deferred taxes $ 900 900   $ 900   1,100
Scheduled Maintenance Projects            
Significant Accounting Policies            
Property, plant and equipment, Estimated useful lives       5 years    
Natural gas gathering agreement with a minimum revenue commitment (“MRC”)            
Significant Accounting Policies            
Agreement period       10 years    
Deferred revenue, revenue recognized   $ 18,500        
Deferred revenue           $ 11,600