Subsequent Events (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended				0 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended			3 Months Ended		3 Months Ended	0 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended		1 Months Ended	3 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Additional Authorization Of Units [Member]	Mar. 03, 2014 Subsequent Event [Member]	Mar. 31, 2014 Subsequent Event [Member]	Dec. 31, 2013 Subsequent Event [Member]	Mar. 31, 2014 Subsequent Event [Member] First Monthly Distribution [Member]	Mar. 31, 2014 Subsequent Event [Member] Second Monthly Distribution [Member]	Jan. 24, 2014 Subsequent Event [Member] Second Monthly Distribution [Member]	Mar. 31, 2014 Subsequent Event [Member] Third Monthly Distribution [Member]	Mar. 14, 2014 Subsequent Event [Member] Third Monthly Distribution [Member]	Mar. 31, 2014 Subsequent Event [Member] Forecast [Member]	Feb. 03, 2014 2013 East Texas Properties [Member] Subsequent Event [Member] Natural Gas Properties [Member]	Dec. 31, 2013 2013 East Texas Properties [Member] Subsequent Event [Member] Natural Gas Properties [Member]	Feb. 20, 2014 2013 East Texas Properties [Member] Subsequent Event [Member] Oil Properties [Member]	Dec. 31, 2013 2013 East Texas Properties [Member] Subsequent Event [Member] Oil Properties [Member]	Dec. 31, 2013 QRE GP [Member]	Dec. 31, 2012 QRE GP [Member] General Partner [Member]	Dec. 31, 2012 QRE GP [Member] General Partner [Member]	Dec. 31, 2013 QRE GP [Member] General Partner [Member]
Subsequent Event [Line Items]
Subsequent event date				Feb. 03, 2014			Mar. 03, 2014								Jan. 31, 2014		Feb. 20, 2014
Common units offering, value authorized					$ 100
Purchase of various oil and natural gas properties														36.0		11.1
General partner, outstanding (in units)	51,036	51,036																51,036
Ownership percentage																			0.10%	0.10%	0.10%
Issuance of Class B units for managment fee													11.6
Cash distribution per unit								$ 0.1625	$ 0.1625	$ 0.1625	$ 0.1625	$ 0.1625
Date distribution was declared						Feb. 28, 2014			Jan. 24, 2014		Feb. 01, 2014
Date distribution will be paid								Jan. 01, 2014	Feb. 01, 2014		Mar. 01, 2014
Date unitholders of record								Jan. 13, 2014	Feb. 10, 2014		Mar. 10, 2014
Increase in authorization of additional units under Long Term Incentive Plan						3,000,000
Management incentive fee recognized	$ 3.4	$ 6.1	$ 1.6