Organization And Operations (Narrative) (Details) (USD $)	0 Months Ended			12 Months Ended					12 Months Ended		12 Months Ended		12 Months Ended		1 Months Ended	12 Months Ended		0 Months Ended	1 Months Ended	12 Months Ended				1 Months Ended	12 Months Ended				1 Months Ended	12 Months Ended		0 Months Ended	1 Months Ended
	Dec. 28, 2012		Dec. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Oct. 31, 2011	Oct. 03, 2011		Dec. 31, 2011 QRE GP [Member]	Dec. 31, 2010 QRE GP [Member]	Dec. 31, 2012 Prize [Member]	Apr. 20, 2012 Prize [Member]	Dec. 31, 2012 East Texas Oil Field Properties [Member]	Dec. 04, 2012 East Texas Oil Field Properties [Member]	Oct. 31, 2011 Fund [Member]	Dec. 31, 2012 Fund [Member]	Dec. 31, 2011 Fund [Member]	Dec. 30, 2010 Fund [Member] QRE GP [Member]	Dec. 31, 2012 Fund [Member] QRE GP [Member]	Dec. 31, 2011 Fund [Member] QRE GP [Member]	Dec. 31, 2012 9.25% Senior Notes due 2020 [Member]	Jul. 30, 2012 9.25% Senior Notes due 2020 [Member]	Oct. 03, 2011 Class C Convertible Preferred [Member]	Dec. 31, 2012 General Partner [Member] QRE GP [Member]	Dec. 31, 2012 General Partner [Member] QRE GP [Member]	Dec. 31, 2011 General Partner [Member] QRE GP [Member]	Dec. 31, 2012 Limited Partner [Member]	Dec. 31, 2011 Limited Partner [Member]	Dec. 31, 2012 Limited Partner [Member] Fund [Member]	Dec. 31, 2012 Limited Partner [Member] Fund [Member]	Dec. 31, 2011 Limited Partner [Member] Fund [Member]	Dec. 31, 2010 Limited Partners-Public Common [Member]	Dec. 31, 2010 Limited Partners-Public Common [Member]	Dec. 31, 2010 Limited Partners-Public Common [Member] Fund [Member]	Dec. 31, 2010 Limited Partners-Affiliated - Subordinated [Member] Fund [Member]
Organization And Operations [Line Items]
Partners' capital account, units, sold in public offering																																15,000,000
Partners' capital account, units, exchange for net assets																																		11,297,737	7,145,866
Partners' capital account, units, capital contribution										35,729
Partners' capital account, public sale of units net of offering costs			$ 42,000,000
Class C convertible preferred unitholders issued (in units)				16,666,667	16,666,667																		16,666,667
Underwriter's exercise of over-allotment																																	2,250,000
Value of preferred units issued				373,068,000	358,138,000
Debt assumption for oil and gas properties	115,000,000						227,000,000
Preferred units, fair value of preferred unit						$ 21.27
Preferred unit valuation						354,500,000
Net assets contributed by Fund	(40,308,000)	[1]					252,046,000	[2]
Deemed Fund distribution															102,500,000
Acquisition of oil and gas properties	28,600,000		77,864,000	468,009,000	3,044,000
Date of acquisition				Apr. 20, 2012							Apr. 20, 2012		Dec. 04, 2012
Effective date of acquisition											Jan. 01, 2012		Nov. 01, 2012
Cash paid for acquisition												225,100,000		214,306,000
Senior notes issuance date																					Jul. 30, 2012
Senior notes face amount																						$ 300,000,000
Stated interest rate																						9.25%
Ownership percentage									0.10%							31.70%	67.00%	0.10%	100.00%	100.00%				0.10%	0.10%	0.10%	68.20%	32.90%	31.70%	31.70%	67.00%

[1] The net assets contributed to us include the historical book value of the Predecessor as prescribed by our accounting policy for transactions between entities under common control in Note 2 - Summary of Significant Accounting Policies and a $5.3 million purchase price adjustment related to novated derivatives unwound by the Partnership.

[2] The net assets contributed to us include the historical book value of the Predecessor as prescribed by our accounting policy for transactions between entities under common control in Note 2 - Summary of Significant Accounting Policies and a $2.7 million purchase price adjustment for natural gas imbalances in accordance with the purchase and sale agreement.