Condensed Consolidating Guarantor and Non-Guarantor Financial Information (Details 3) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2015	Jun. 30, 2014
Condensed Consolidating Statement of Comprehensive Income
Net income (loss)	$ (38,526)	$ (39,910)
Other comprehensive income (loss)	(8)	185
Comprehensive loss	(38,534)	(39,725)
Reportable Entity \| NGL Energy Partners LP (Parent)
Condensed Consolidating Statement of Comprehensive Income
Net income (loss)	(42,401)	(39,975)
Comprehensive loss	(42,401)	(39,975)
Reportable Entity \| Guarantor Subsidiaries
Condensed Consolidating Statement of Comprehensive Income
Net income (loss)	(24,600)	(27,583)
Other comprehensive income (loss)		185
Comprehensive loss	(24,600)	(27,398)
Reportable Entity \| Non-Guarantor Subsidiaries
Condensed Consolidating Statement of Comprehensive Income
Net income (loss)	6,139	(202)
Other comprehensive income (loss)	(8)
Comprehensive loss	6,131	(202)
Consolidating Adjustments
Condensed Consolidating Statement of Comprehensive Income
Net income (loss)	22,336	27,850
Comprehensive loss	$ 22,336	$ 27,850

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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