XML 132 R105.htm IDEA: XBRL DOCUMENT v2.4.0.6
SECURITIES SOLD UNDER REPURCHASE AGREEMENTS (Details) (USD $)
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Amount of securities sold under repurchase agreements      
Total $ 1,020,208,000 $ 1,083,545,000  
Other disclosures      
Total interest expense recorded on repurchase agreements 48,561,000 48,993,000 49,725,000
Securities Sold Under Repurchase Agreements
      
Securities sold under repurchase agreements      
Short-term repurchase agreements 25,200,000 88,500,000  
Interest rates on short-term repurchase agreements (as a percent) 0.57% 0.54%  
Amount of securities sold under repurchase agreements      
Total 1,020,208,000 1,083,545,000  
Interest rate on securities sold under repurchase agreements      
Total (as a percent) 4.66% 4.42%  
Other disclosures      
Total interest expense recorded on repurchase agreements 48,600,000 49,000,000 49,700,000
Available borrowing capacity from repurchase agreements 979,800,000 1,210,000,000  
Securities Sold Under Repurchase Agreements | Minimum
      
Securities sold under repurchase agreements      
Interest rates on long-term repurchase agreements (as a percent) 4.15%    
Securities Sold Under Repurchase Agreements | Maximum
      
Securities sold under repurchase agreements      
Interest rates on long-term repurchase agreements (as a percent) 5.13%    
Securities Sold Under Repurchase Agreements | Maturities in Next Twelve Months
      
Amount of securities sold under repurchase agreements      
Total   88,545,000  
Interest rate on securities sold under repurchase agreements      
Total (as a percent)   0.54%  
Securities Sold Under Repurchase Agreements | Maturities in Year Two
      
Amount of securities sold under repurchase agreements      
Total 25,208,000    
Interest rate on securities sold under repurchase agreements      
Total (as a percent) 0.57%    
Securities Sold Under Repurchase Agreements | Maturities in Year Five
      
Amount of securities sold under repurchase agreements      
Total 245,000,000 245,000,000  
Interest rate on securities sold under repurchase agreements      
Total (as a percent) 4.49% 4.49%  
Securities Sold Under Repurchase Agreements | Maturities in Year Six
      
Amount of securities sold under repurchase agreements      
Total 700,000,000 700,000,000  
Interest rate on securities sold under repurchase agreements      
Total (as a percent) 4.91% 4.91%  
Securities Sold Under Repurchase Agreements | Maturities in Year Seven
      
Amount of securities sold under repurchase agreements      
Total $ 50,000,000 $ 50,000,000  
Interest rate on securities sold under repurchase agreements      
Total (as a percent) 4.15% 4.15%