Partners' Capital (Narrative) (Details) (USD $)	1 Months Ended			12 Months Ended				1 Months Ended	12 Months Ended	1 Months Ended		0 Months Ended		12 Months Ended					0 Months Ended		12 Months Ended	0 Months Ended			1 Months Ended		3 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended		1 Months Ended			12 Months Ended	1 Months Ended			1 Months Ended	3 Months Ended				3 Months Ended				3 Months Ended
	Feb. 28, 2013	Dec. 31, 2012	Apr. 30, 2012	Dec. 31, 2013 item	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Class C Convertible Preferred [Member]	Feb. 28, 2013 Class B Units [Member]	Dec. 31, 2013 Class B Units [Member]	Oct. 31, 2011 Fund [Member] Class C Convertible Preferred [Member]	Dec. 31, 2013 QRE GP [Member]	Oct. 03, 2016 Forecast [Member] item	Oct. 03, 2014 Forecast [Member] item	Dec. 31, 2013 First Monthly Distribution [Member]	Dec. 31, 2013 Second Monthly Distribution [Member]	Dec. 31, 2013 Third Monthly Distribution [Member]	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Minimum [Member] QRE GP And Affiliates [Member]	Oct. 03, 2016 Minimum [Member] Forecast [Member]	Oct. 03, 2014 Minimum [Member] Forecast [Member]	Dec. 31, 2013 Minimum [Member] Forecast [Member]	Oct. 03, 2014 Maximum [Member] Forecast [Member]	Dec. 31, 2011 Quarterly [Member] Class C Convertible Preferred [Member]	Jan. 31, 2015 Quarterly [Member] Forecast [Member] Class C Convertible Preferred [Member]	Dec. 31, 2012 General Partner [Member] QRE GP [Member]	Apr. 30, 2012 General Partner [Member] QRE GP [Member]	Dec. 31, 2012 General Partner [Member] QRE GP [Member]	Dec. 31, 2013 General Partner [Member] QRE GP [Member]	Dec. 31, 2012 Limited Partner [Member] Fund [Member]	Dec. 31, 2013 Limited Partner [Member] Fund [Member]	Dec. 31, 2013 Limited Partner [Member] QRE GP [Member]	Dec. 31, 2012 Limited Partners-Public Common [Member]	Apr. 30, 2012 Limited Partners-Public Common [Member]	Jan. 31, 2011 Limited Partners-Public Common [Member]	Dec. 31, 2013 Limited Partners-Public Common [Member]	Apr. 30, 2012 Limited Partners-Public Common [Member] Fund [Member]	Dec. 31, 2013 Limited Partners-Affiliated - Subordinated [Member] Annual [Member]	Dec. 31, 2013 Limited Partners-Affiliated - Subordinated [Member] Quarterly [Member]	Mar. 31, 2013 Class B Units [Member]	Mar. 31, 2013 Class B Units [Member]	Dec. 31, 2012 Class B Units [Member]	Dec. 31, 2013 Class B Units [Member]	Mar. 04, 2013 Class B Units [Member]	Mar. 31, 2014 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]
Partners' Capital Activity [Line Items]
Percentage of management fee converted to Class B units	80.00%			80.00%																																				80.00%
Issue of units in lieu of management fee								6,133,558	6,133,558																														6,133,558
Management incentive fee recognized				$ 3,400,000	$ 6,100,000	$ 1,600,000
General partner, outstanding (in units)		51,036		51,036	51,036						51,036
Class B convertible unitholders, outstanding (in units)		0		6,133,558	0																																					6,133,558	6,133,558
Ownership percentage																									0.10%		0.10%	0.10%	31.70%	29.20%	7.50%				63.20%
Number of days after quarter distributions paid				45 days										15 days	45 days	75 days																								45 days	45 days
Date distribution was declared																																												Feb. 28, 2014		Jan. 24, 2014		Feb. 01, 2014
Cash distribution per unit																							$ 0.21	$ 0.475													$ 1.65	$ 0.4125							$ 0.1625	$ 0.1625	$ 0.1625	$ 0.1625	$ 0.1625
Distributions payable		3,500,000		14,155,000	3,500,000		3,500,000,000
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
Partners' capital account, units, sold in public offering																																12,000,000	6,202,263			11,297,737
Partners' capital account, price per unit, sold in public offering																																$ 16.24	$ 19.1800	$ 20.00
Costs associated with the Offering																																200,000	500,000
Underwriter's discount																																9,000,000	6,800,000
Percentage of distribution payable				100.00%
Number of days for underwriters' allotment option																																30 days	30 days
Underwriter's exercise of over-allotment																																1,800,000	2,625,000	2,250,000
Proceeds from unit offering, net of offering costs				87,000	376,938,000	41,963,000																										214,900,000	162,000,000
General Partners' account, units sold to QRE GP																										6,018	9,289
General Partners' account, price per unit, sold to QRE GP																										$ 19.18	$ 16.91
Proceeds from the issuance of General Partnership units		200,000	100,000
Units issued to Fund										16,666,667
Preferred Units issued to Predecessor in exchange for properties										16,666,667
Management fee paid				$ 700,000					$ 3,000,000
Conversion ratio preferred units to common units				1								1	1
Volume weighted average price per common unit to convert from preferred units to common units																			$ 27.30	$ 27.30	$ 27.30	$ 30.03
Conversion date of Preferred Units to common units																	Oct. 03, 2013
Number of consecutive trading days for conversion of preferred units to common units																			30 days	30	30 days
Percentage of underwriters discount on common unit																						5.00%
Threshold ownership percentage of outstanding common units to purchase remaining outstanding common units																		80.00%