Equity - Noncontrolling Interests Distribution Table (Details) (Chesapeake Granite Wash Trust, USD $)	3 Months Ended
	Aug. 31, 2013	May 31, 2013	Feb. 28, 2013	Nov. 30, 2012	Aug. 31, 2012	May 31, 2012	Feb. 29, 2012	Nov. 30, 2011
Noncontrolling Interest [Line Items]
Distribution Made to Limited Partner, Distribution Date	Nov. 29, 2013	Aug. 29, 2013	May 31, 2013	Mar. 01, 2013	Nov. 29, 2012	Aug. 30, 2012	May 31, 2012	Mar. 01, 2012
Common Unit
Noncontrolling Interest [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared, Per Unit	$ 0.6671	$ 0.6900	$ 0.6900	$ 0.6700	$ 0.6300	$ 0.6100	$ 0.6588	$ 0.7277
Subordinated Units
Noncontrolling Interest [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared, Per Unit	$ 0.0000	$ 0.1432	$ 0.3010	$ 0.3772	$ 0.2208	$ 0.4819	$ 0.6588	$ 0.7277