Quarterly report pursuant to Section 13 or 15(d)

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

v3.2.0.727
Deferred Charges, Goodwill and Other Assets, Net (Summary Of Notional Amount And Fair Value Of Derivative Financial Instruments) (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2015
Dec. 31, 2014
Derivatives, Fair Value [Line Items]      
Fair Value $ 15,000 $ 15,000 $ 95,000
Interest and other investment income (loss) (17,000) (80,000)  
LIBOR Cap One [Member]      
Derivatives, Fair Value [Line Items]      
Notional Value [1] $ 51,000,000 $ 51,000,000  
Strike Rate 1.50% 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 $ 24,000,000  
Strike Rate 1.50% 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 $ 51,000,000  
Strike Rate 1.75% 1.75%  
Effective Date   Oct. 01, 2015  
Expiration Date   Oct. 01, 2016  
Fair Value $ 10,000 $ 10,000 64,000
LIBOR Cap Four [Member]      
Derivatives, Fair Value [Line Items]      
Notional Value [1] $ 24,000,000 $ 24,000,000  
Strike Rate 1.75% 1.75%  
Effective Date   Oct. 01, 2015  
Expiration Date   Oct. 01, 2016  
Fair Value $ 5,000 $ 5,000 $ 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.