Acquisition Acquisition (Details Textual) (USD $)	9 Months Ended			9 Months Ended		9 Months Ended				3 Months Ended		0 Months Ended
	Sep. 30, 2013	Sep. 30, 2013 Mid-America Midstream Gas Services, L.L.C. [Member]	Aug. 01, 2013 Mid-America Midstream Gas Services, L.L.C. [Member] acre mi	Sep. 30, 2013 Mid-America Midstream Gas Services, L.L.C. [Member] Gathering and processing agreement [Member]	Aug. 01, 2013 Mid-America Midstream Gas Services, L.L.C. [Member] Gathering and processing agreement [Member]	Sep. 30, 2013 Barcas Field Services, LLC [Member]	Sep. 01, 2013 Barcas Field Services, LLC [Member] Trucks Trailers	Aug. 01, 2013 Rose Valley I plant [Member] Mid-America Midstream Gas Services, L.L.C. [Member] MMcf	Aug. 01, 2013 Rose Valley II plant [Member] Mid-America Midstream Gas Services, L.L.C. [Member] MMcf	Sep. 30, 2013 General Partner [Member] NGL Energy Partners LP [Member]	Mar. 31, 2013 General Partner [Member] NGL Energy Partners LP [Member]	Aug. 08, 2013 General Partner [Member] NGL Energy Partners LP [Member] Additional GP ownership acquired [Member]
Acquisition [Line Items]
Goodwill, Amortization Period	15 years
Payments to Acquire Businesses, Gross		$ 316,147,000				$ 49,969,000
Business Combination, Acquisition Related Costs		3,600,000
Length Of Pipeline Network			200
Processing Capacity								200	200
Net Acre Dedication Acquired			540,000
Contract tenor					20 years
Percentage of contract which is fee based				100.00%
Future Capital Expenditures Related to Acquisition			$ 125,000,000
Trucks purchased							114
Trailers purchased							120
General Partner Ownership Interest										11.78%	11.78%	5.36%