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Shareholders' Equity And Net Income Per Share Other (Details) - USD ($)
6 Months Ended 11 Months Ended
Jun. 30, 2016
Nov. 22, 2011
Shareholders' Equity and Net Income Per Share [Line Items]    
Initial Offering Period   November 22, 2011
Unsecured Creditors Litigation | Pending Litigation    
Shareholders' Equity and Net Income Per Share [Line Items]    
Loss Contingency, Damages Sought, Value Per Unit in Excess of Benchmark $ 32.50  
Loss Contingency, Damages Sought, Unit in Excess of Benchmark 67.50  
Loss Contingency Accrual 0  
Unsecured Creditors Litigation | Litigation, Damages Benchmark, Fourth LLP Agreement | Pending Litigation    
Shareholders' Equity and Net Income Per Share [Line Items]    
Cumulative Distribution Threshold 7,200,000,000  
Maximum | Unsecured Creditors Litigation | Pending Litigation    
Shareholders' Equity and Net Income Per Share [Line Items]    
Loss Contingency, Estimate of Possible Loss $ 300,000,000