Equity - Noncontrolling Interests Distribution Table (Details) - Noncontrolling Interest, Chesapeake Granite Wash Trust [Member] - $ / shares	3 Months Ended
	May. 31, 2015	Feb. 28, 2015	Nov. 30, 2014	May. 31, 2014	Feb. 28, 2014	Nov. 30, 2013
Noncontrolling Interest [Line Items]
Distribution Made to Limited Partner, Distribution Date	Aug. 31, 2015	Jun. 01, 2015	Mar. 02, 2015	Aug. 29, 2014	May 30, 2014	Mar. 03, 2014
Common Unit [Member]
Noncontrolling Interest [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared, Per Unit	$ 0.3579	$ 0.3899	$ 0.4496	$ 0.5796	$ 0.6454	$ 0.6624
Subordinated Units [Member]
Noncontrolling Interest [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared, Per Unit	$ 0.0000	$ 0.0000	$ 0.0000	$ 0.0000	$ 0.0000	$ 0.0000