Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Departure Of Executive Vice Presidents) (Narrative) (Details)

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Commitments And Contingencies (Departure Of Executive Vice Presidents) (Narrative) (Details) (USD $)
9 Months Ended 9 Months Ended 6 Months Ended
Sep. 30, 2014
item
Dec. 31, 2013
Sep. 30, 2014
Employee Severance [Member]
Sep. 30, 2014
Messr Lefkowitz [Member]
Sep. 30, 2014
Messr Thomas [Member]
Sep. 30, 2014
Scenario, Forecast [Member]
Messr Thomas [Member]
Commitments And Contingencies [Line Items]            
Severance benefits $ 11,000,000     $ 3,400,000 $ 3,100,000  
Stock options vested       11,457 33,605  
Restricted stock units vested 183,214     68,667 41,000  
Period for continuation of health insurance       48 months 48 months  
Consulting payment           300,000
Number of executive officers who departed 2          
Accounts payable, accrued expenses and other liabilities $ 126,580,000 $ 121,286,000 $ 8,000,000