Subsequent Events (Details) (USD $) In Millions, except Share data, unless otherwise specified	6 Months Ended		1 Months Ended			1 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 First Monthly Distribution [Member]	Jul. 31, 2014 Breitburn Merger [Member]	Jul. 31, 2014 Subsequent Event [Member]	Jul. 31, 2014 Subsequent Event [Member] Second Monthly Distribution [Member]	Jul. 31, 2014 Class B Units [Member] Breitburn Merger [Member]	Jul. 31, 2014 Performance Restricted Units [Member] Breitburn Merger [Member]
Subsequent Event [Line Items]
Date distribution was declared	Jun. 27, 2014			Jul. 28, 2014
Cash distribution per unit		$ 0.1625			$ 0.1625
Date distribution will be paid	Jul. 01, 2014			Aug. 01, 2014
Date unitholders of record	Jul. 09, 2014			Aug. 07, 2014
Conversion of new common units			0.9856
Amount of cash Preferred unitholders have right to receive			$ 350
Number of units issuable upon change of control						6,748,067
Number of units to be treated as Class B Units							383,900