v3.4.0.3
ORGANIZATION AND DESCRIPTION OF BUSINESS (Details)
$ in Thousands
3 Months Ended
May. 10, 2016
shares
Apr. 01, 2016
USD ($)
shares
Aug. 06, 2015
USD ($)
a
Plant
contract
location
mi
shares
MMcf
Feb. 27, 2015
USD ($)
a
Plant
region
mi
shares
Mar. 31, 2016
USD ($)
shares
Mar. 31, 2015
USD ($)
Dec. 31, 2015
shares
Apr. 01, 2015
shares
Partnership Equity and Distributions                
General partner ownership interest         1.90%      
General Partners' Capital Account, Units Outstanding         429,365      
Amount of debt that will become due and payable if the Partnership remains out of compliance with all of the restrictive covenants under the Credit Agreement | $         $ 231,600      
Grace period         30 days      
Payment for redemption of IDR units | $       $ 63,000        
Cash payment for contributed assets | $       99,500   $ 99,500    
Settlement Agreement with AES and NuDevco                
Partnership Equity and Distributions                
Letter of credit, amount issued due to contract default | $         $ 15,000      
Subsequent Event | Settlement Agreement with AES and NuDevco                
Partnership Equity and Distributions                
Amount of debt that will become due and payable if the Partnership remains out of compliance with all of the restrictive covenants under the Credit Agreement | $   $ 216,600            
Proceeds from issuance of letter of credit, used to pay down debt under Credit Agreement | $   $ 15,000            
Legacy System contributed by Azure                
Partnership Equity and Distributions                
Aggregate consideration transferred | $       $ 162,500        
IDR units issued as payment (in shares)       90        
Distance of gathering lines (in miles) | mi       666        
Area of land (in acres) | a       100,000        
Number of major downstream markets (in regions) | region       7        
Number of third-party processing plants (in plants) | Plant       3        
Common Units                
Partnership Equity and Distributions                
Limited partner's capital, units outstanding (in shares)         13,064,218   13,044,654  
Common Units | Settlement Agreement with AES and NuDevco                
Partnership Equity and Distributions                
Limited partner's capital, units outstanding (in shares)   11,100,000           11,124,953
Subordinate Units                
Partnership Equity and Distributions                
Limited partner's capital, units outstanding (in shares)         8,724,545   8,724,545  
Subordinate Units | Settlement Agreement with AES and NuDevco                
Partnership Equity and Distributions                
Limited partner's capital, units outstanding (in shares)   0            
Azure | Transaction Agreement                
Partnership Equity and Distributions                
Percentage of equity interests in General Partner acquired       100.00%        
Percentage of our incentive distribution rights acquired       90.00%        
Cash received, net | $       $ 92,500        
ETG System                
Partnership Equity and Distributions                
Distance of gathering lines (in miles) | mi     255          
Area of land (in acres) | a     336,000          
Number of long-term producer contracts (in contracts) | contract     23          
Number of treating plants (in plants) | Plant     2          
Processing capacity per day (in MMc/f) | MMcf     5          
Pipeline capacity per day (in MMc/f) | MMcf     17.50          
Number of interconnections with major interstate pipelines (in locations) | location     4          
ETG System | Common Units                
Partnership Equity and Distributions                
Units issued as consideration (in shares)     255,319          
Azure                
Partnership Equity and Distributions                
General partner ownership interest         1.93%      
Azure | Legacy System contributed by Azure                
Partnership Equity and Distributions                
Aggregate consideration transferred | $       162,500        
Cash payment for contributed assets | $       $ 99,500        
IDR units issued as payment (in shares)       90        
Azure | Common Units                
Partnership Equity and Distributions                
Limited partner's capital, units outstanding (in shares) 255,319       255,319      
Limited partner's ownership percentage 2.30%       1.20%      
Azure | ETG System                
Partnership Equity and Distributions                
Percentage of equity interests in General Partner acquired     100.00%          
Draw from credit facility to finance cash consideration | $     $ 80,000          
Azure | ETG System | Common Units                
Partnership Equity and Distributions                
Units issued as consideration (in shares)     255,319          
Publicly Held Units | Common Units                
Partnership Equity and Distributions                
Limited partner's capital, units outstanding (in shares) 10,869,634       10,869,634      
Limited partner's ownership percentage 97.70%       49.90%      
NuDevco | Subsequent Event | Settlement Agreement with AES and NuDevco                
Partnership Equity and Distributions                
Number of IDR units surrendered (in shares)   10            
NuDevco | Common Units                
Partnership Equity and Distributions                
Limited partner's capital, units outstanding (in shares)         1,939,265      
Limited partner's ownership percentage         8.90%      
NuDevco | Common Units | Subsequent Event | Settlement Agreement with AES and NuDevco                
Partnership Equity and Distributions                
Number of limited partner units surrendered (in shares)   1,939,265            
NuDevco | Subordinate Units                
Partnership Equity and Distributions                
Limited partner's capital, units outstanding (in shares)         8,724,545      
Limited partner's ownership percentage         40.00%      
NuDevco | Subordinate Units | Subsequent Event | Settlement Agreement with AES and NuDevco                
Partnership Equity and Distributions                
Limited partner's capital, units outstanding (in shares)   11,124,953            
Number of limited partner units surrendered (in shares)   8,724,545            
Number of IDR units surrendered (in shares)   1,939,265            
NuDevco | Azure                
Partnership Equity and Distributions                
Payment to acquire all of the outstanding membership interests in our General Partner | $       $ 7,000        
Option to acquire common and subordinated units held by NuDevco, percent of units held       20.00%        
IDRH | Transaction Agreement                
Partnership Equity and Distributions                
Number of IDR units recapitalized into (in shares)       100        
Number of IDR units redeemed       90        
Payment for redemption of IDR units | $       $ 63,000        
Incentive Distribution Rights [Member] | Azure                
Partnership Equity and Distributions                
Percentage of incentive distribution rights owned         90.00%      
Incentive Distribution Rights [Member] | NuDevco                
Partnership Equity and Distributions                
Percentage of incentive distribution rights owned         10.00%