Annual report pursuant to Section 13 and 15(d)

Deferred Charges, Goodwill and Other Assets, Net (Summary Of Notional Amount And Fair Value Of Derivative Financial Instruments) (Details)

v3.3.1.900
Deferred Charges, Goodwill and Other Assets, Net (Summary Of Notional Amount And Fair Value Of Derivative Financial Instruments) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Derivatives, Fair Value [Line Items]    
Fair Value $ 2,000 $ 95,000
Loss In Derivative Financial Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Interest and other investment income (loss) (93,000) (79,000)
LIBOR Cap One [Member]    
Derivatives, Fair Value [Line Items]    
Notional Value [1] $ 51,000,000  
Strike Rate 1.50%  
Effective Date Sep. 01, 2014  
Expiration Date Oct. 01, 2015  
Fair Value   1,000
LIBOR Cap Two [Member]    
Derivatives, Fair Value [Line Items]    
Notional Value [1] $ 24,000,000  
Strike Rate 1.50%  
Effective Date Sep. 01, 2014  
Expiration Date Oct. 01, 2015  
Fair Value   1,000
LIBOR Cap Three [Member]    
Derivatives, Fair Value [Line Items]    
Notional Value [1] $ 51,000,000  
Strike Rate 1.75%  
Effective Date Oct. 01, 2015  
Expiration Date Oct. 01, 2016  
Fair Value $ 1,000 64,000
LIBOR Cap Four [Member]    
Derivatives, Fair Value [Line Items]    
Notional Value [1] $ 24,000,000  
Strike Rate 1.75%  
Effective Date Oct. 01, 2015  
Expiration Date Oct. 01, 2016  
Fair Value $ 1,000 $ 29,000
[1] The notional value is an indication of the extent of our involvement in these instruments at that time, but does not represent exposure to credit, interest rate or market risks.