Annual report pursuant to Section 13 and 15(d)

Quarterly Financial Information (Unaudited) (Details)

v3.3.1.900
Quarterly Financial Information (Unaudited) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Quarterly Financial Information                      
Total operating revenues $ 131,693 $ 81,704 $ 88,093 $ 85,834 $ 100,718 $ 71,583 $ 57,441 $ 36,532      
Total operating expenses 79,793 37,012 51,333 51,923 42,758 34,840 33,653 20,965 $ 220,061 $ 132,216 $ 56,055
Operating income (loss) 51,900 44,692 36,760 33,911 57,960 36,743 23,788 15,567 167,263 134,058 2,179
Net income (loss) 49,008 42,648 35,124 32,325 55,898 34,288 22,380 15,309      
Less: Pre-IPO net income attributable to parent         (26,242) $ (34,288) $ (22,380) $ (15,309)   (98,219) $ (2,015)
Less: Pre-Water Acquisition net income attributed to parent   (7,841) (15,674) (16,678) (22,234)       (40,193) (22,234)  
Less: General partner interest in net income attributable to incentive distribution rights (969) (295)             (1,264)    
Limited partners' interest in net income $ 48,039 $ 34,512 $ 19,450 $ 15,647 $ 7,422       $ 117,648 $ 7,422  
Basic                      
Common units (in dollars per unit) $ 0.27 $ 0.23 $ 0.13 $ 0.10 $ 0.05       $ 0.76 $ 0.05  
Subordinated units (in dollars per unit) 0.27 0.22 0.13 0.10 0.05       0.73 0.05  
Diluted                      
Common units (in dollars per unit) 0.27 0.23 0.13 0.10 0.05       0.76 0.05  
Subordinated units (in dollars per unit) $ 0.27 $ 0.22 $ 0.13 $ 0.10 $ 0.05       $ 0.73 $ 0.05