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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2015
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Recognizable events No recognizable events have occurred subsequent to December 31, 2015. Non-recognizable events On February 1, 2016, 218,046 phantom unit awards were issued pursuant to our long-term incentive plan. These grants included both performance-based and time-based phantom unit awards and have a three-year vesting period that will end on December 31, 2018. On February 1, 2016, we issued 353,786 limited partner units, of which 350,552 were issued to settle unit award grants to certain employees that vested on December 31, 2015 and 3,234 were issued to settle the equity-based retainers paid to the directors of our general partner. On February 12, 2016, we paid cash distributions of $0.785 per unit on our outstanding limited partner units to unitholders of record at the close of business on February 5, 2016. The total distributions paid were $178.8 million.