Commitments and Contingencies Litigation (Details)	Oct. 14, 2014 participant	Sep. 13, 2013 participant	May. 17, 2013 USD ($) participant	Jan. 28, 2013 participant	Sep. 28, 2012 USD ($) llc	Mar. 31, 2015 claim	Mar. 14, 2014 participant	Dec. 24, 2013 claim	Jun. 20, 2013 participant
Loss Contingencies [Line Items]
Number of additional investors who apposed the settlement									1
Number of investors who perfected appeal							1
New York State Supreme Court, New York County
Loss Contingencies [Line Items]
Number of plaintiffs opting out of settlement	12
Pending Litigation | New York State Supreme Court, New York County
Loss Contingencies [Line Items]
Number of claims | claim								4
Number of plaintiffs	4,500
Predecessor | New York State Supreme Court, New York County
Loss Contingencies [Line Items]
Damages awarded | $					$ 55,000,000
Percent of damages awarded required to be in cash					80.00%
Maximum percent of freely-tradable common stock or partnership units					20.00%
Number of LLC's | llc					3
Maximum difference between exchange value and prospectus statement					10.00%
Proceeds from issuance of common stock threshold amount of consolidation considerations | $					$ 600,000,000.0
Number of plaintiffs opting out of settlement		2	12
Attorney fees sought | $			$ 15,000,000
Attorney expenses sought | $			295,895
Attorney fees awarded | $			11,590,000
Attorney expenses awarded | $			$ 265,282
Predecessor | Pending Litigation
Loss Contingencies [Line Items]
Number of plaintiffs				6
Predecessor | Pending Litigation | New York State Supreme Court, New York County
Loss Contingencies [Line Items]
Number of claims | claim						5
Number of plaintiffs			4,500	6
Number of plaintiffs opting out of settlement			12