Annual report pursuant to Section 13 and 15(d)

Sale of Common Units Under Equity Distribution Agreement (Details)

v3.6.0.2
Sale of Common Units Under Equity Distribution Agreement (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Sale of Common Units Under Equity Distribution Agreement        
Maximum aggregate offering price of common limited partners units under an equity distribution agreement $ 250,000      
Common units issued and sold   2,391,595    
Net proceeds from issuance of common units   $ 65,395 $ 240,703 $ 1,087,224
Remaining capacity to issue additional common units under an equity distribution agreement   $ 183,800