XML 68 R68.htm IDEA: XBRL DOCUMENT v2.4.0.8
Borrowings, Line of Credit Facility (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2007
Line of Credit Facility [Line Items]    
Basis spread on variable rate (in hundredths) 1.59% 1.59%
Description of variable rate basis three-month LIBOR three-month LIBOR
Maturity date of line of credit Jun. 01, 2037  
Revolving Credit Promissory Note [Member]
    
Line of Credit Facility [Line Items]    
Available amount under line of credit $ 12  
Basis spread on variable rate (in hundredths) 2.25%  
Description of variable rate basis one-month LIBOR  
Commitment fee (in hundredths) 0.15%  
Maturity date of line of credit Oct. 24, 2014