Commitments And Contingencies (Roseland Transaction Modifications) (Narrative) (Details) (USD $)
3 Months Ended 0 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Oct. 28, 2014
Oct. 23, 2015
Apr. 24, 2015
Dec. 31, 2014
Commitments And Contingencies [Line Items]            
Severance benefits $ 23,800,000 $ 11,000,000        
Earn out paid   3,936,000        
Accounts payable, accrued expenses and other liabilities 134,462,000         126,971,000
Minimum [Member]            
Commitments And Contingencies [Line Items]            
Percentage of interest in venture 7.50%          
Roseland Partners, L.L.C. [Member]            
Commitments And Contingencies [Line Items]            
Business acquisition, contingent cash payment 900,000          
Accounts payable, accrued expenses and other liabilities 1,000,000         1,000,000
Roseland Partners, L.L.C. [Member] | Messr Goldberg [Member]            
Commitments And Contingencies [Line Items]            
Consulting period 1 year          
Roseland Partners, L.L.C. [Member] | Messr Klatt And Messr Goldberg [Member]            
Commitments And Contingencies [Line Items]            
Period for continuation of health insurance 1 year          
Severance benefits     750,000      
Roseland Partners, L.L.C. [Member] | Messr Tycher [Member] | Minimum [Member]            
Commitments And Contingencies [Line Items]            
Percentage of interest in venture 50.00%          
Roseland Partners, L.L.C. [Member] | Scenario, Forecast [Member] | Messr Goldberg [Member]            
Commitments And Contingencies [Line Items]            
Consulting payment       400,000    
Roseland Partners, L.L.C. [Member] | Scenario, Forecast [Member] | Messr Klatt And Messr Goldberg [Member]            
Commitments And Contingencies [Line Items]            
Severance benefits         500,000  
Roseland Partners, L.L.C. [Member] | Obtaining Of Tax Credits/Grants [Member]            
Commitments And Contingencies [Line Items]            
Business acquisition, contingent cash payment 3,000,000          
Roseland Partners, L.L.C. [Member] | Obtaining Of Tax Credits/Grants [Member] | Scenario, Forecast [Member]            
Commitments And Contingencies [Line Items]            
Earn out paid $ 1,000,000