XML 24 R37.htm IDEA: XBRL DOCUMENT v2.4.0.8
Investments (Schedule of Fair Value of Equity Investments Trading) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Equity investments trading $ 245,267 $ 254,776
Financials
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Equity investments trading 142,374 152,905
Consumer
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Equity investments trading 45,179 44,115
Industrial, utilities and energy
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Equity investments trading 25,239 25,350
Healthcare
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Equity investments trading 15,254 15,340
Basic materials
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Equity investments trading 12,937 12,766
Communications and technology
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Equity investments trading $ 4,284 $ 4,300