XML 48 R53.htm IDEA: XBRL DOCUMENT v2.4.0.6
Other Investments (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
FHLB and FRB Stock      
Investment in FRB and FHLB stock $ 84,100,000   $ 90,000,000
Private Equity and Alternative Investments      
Investments carried at cost 35,511,000   36,091,000
Recognized impairment losses on cost method investments 400,000 100,000  
Private equity and venture capital
     
Private Equity and Alternative Investments      
Investments carried at cost 20,484,000   20,693,000
Private equity and venture capital | Fair Value | Nonrecurring
     
Alternative Investments Measured at Fair Value on a Nonrecurring Basis      
Fair Value 686,000    
Unfunded Commitments 179,000    
Real estate
     
Private Equity and Alternative Investments      
Investments carried at cost 8,855,000   9,223,000
Hedge
     
Private Equity and Alternative Investments      
Investments carried at cost 2,866,000   2,866,000
Other
     
Private Equity and Alternative Investments      
Investments carried at cost $ 3,306,000   $ 3,309,000