Acquisitions Acquisitions - 3 (Details) (Hugoton, USD $)	1 Months Ended
	Feb. 28, 2014
Hugoton
Business Acquisition [Line Items]
Number of limited partner units issued - acquisition	1,500,000
Total consideration transferred	$ 41,000,000
Consideration paid in cash	7,000,000
Value of units issued	34,000,000
Oil properties	41,589,000
Total assets acquired	41,589,000
Asset retirement obligation	589,000
Net assets acquired	$ 41,000,000