XML 83 R65.htm IDEA: XBRL DOCUMENT v3.8.0.1
Partners' Capital and Distributions - Activity for Series A Preferred Units and Common Units (Details) - shares
 12 Months Ended 22 Months Ended
Jan. 28, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Nov. 14, 2016
Partners Capital and Distributions          
Limited partner interest         98.00%
General partner ownership interest         2.00%
Series A Preferred Units          
Increase (Decrease) in Partners' Capital [Roll Forward]          
Balance, beginning of period (in units)   64,388,853      
Sale of Series A preferred units (in units) 61,000,000        
Balance, end of period (in units)   69,696,542 64,388,853    
Series B Preferred Units          
Increase (Decrease) in Partners' Capital [Roll Forward]          
Balance, end of period (in units)   800,000      
Common Units          
Increase (Decrease) in Partners' Capital [Roll Forward]          
Balance, beginning of period (in units)   669,194,419      
Sale of common units (in units)   54,119,893   22,133,904  
Balance, end of period (in units)   725,189,138 669,194,419    
Partners’ Capital Excluding Noncontrolling Interests | Limited Partners | Series A Preferred Units          
Increase (Decrease) in Partners' Capital [Roll Forward]          
Balance, beginning of period (in units)   64,388,853 0 0 0
Sale of Series A preferred units (in units)     61,030,127    
Issuances of Series A preferred units in connection with in-kind distributions (in units)   5,307,689 3,358,726    
Balance, end of period (in units)   69,696,542 64,388,853 0  
Partners’ Capital Excluding Noncontrolling Interests | Limited Partners | Series B Preferred Units          
Increase (Decrease) in Partners' Capital [Roll Forward]          
Balance, beginning of period (in units)   0 0 0 0
Sale of Series B preferred units (in units)   800,000      
Balance, end of period (in units)   800,000 0 0  
Partners’ Capital Excluding Noncontrolling Interests | Limited Partners | Common Units          
Increase (Decrease) in Partners' Capital [Roll Forward]          
Balance, beginning of period (in units)   669,194,419 397,727,624 375,107,793 375,107,793
Sale of common units (in units)   54,119,893 26,278,288 22,133,904  
Issuance of common units in connection with acquisition of interest in Advantage Joint Venture (Note 6) (in units)   1,252,269      
Issuance of common units under LTIP (in units)   622,557 480,581 485,927  
Issuance of common units in connection with Simplification Transactions (in units)     244,707,926    
Balance, end of period (in units)   725,189,138 669,194,419 397,727,624