XML 41 R67.htm IDEA: XBRL DOCUMENT v2.4.0.8
Borrowings (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2007
Dec. 31, 2012
Short-term Debt [Line Items]      
Repurchase agreements $ 208,067,000   $ 210,120,000
Federal funds purchased 12,465,000   12,314,000
Total short-term debt 220,532,000   222,434,000
Maximum balance for repurchase agreements at any month-end 217,200,000    
Long-term debt [Abstract]      
Junior subordinated debentures, 1.83%, due 6/1/37 61,341,000   61,341,000
Interest rate on junior subordinated debentures (in hundredths)   6.52%  
Maturity date of junior subordinated debentures Jun. 01, 2037    
Issuance of capital securities in a private placement   59,500,000  
Maturity period of debentures   30 years  
Period after which debentures are redeemable   5 years  
Description of variable rate basis three-month LIBOR three-month LIBOR  
Basis spread on variable rate (in hundredths) 1.59% 1.59%  
Subordinated debentures 9.0% [Member]
      
Long-term debt [Abstract]      
Interest rate on junior subordinated debentures (in hundredths) 9.00%    
Subordinated debentures 8.25% [Member]
      
Long-term debt [Abstract]      
Interest rate on junior subordinated debentures (in hundredths) 8.25%    
Junior subordinated debentures [Member]
      
Long-term debt [Abstract]      
Junior subordinated debentures, 1.83%, due 6/1/37 61,341,000   61,341,000
Interest rate on junior subordinated debentures (in hundredths) 1.83%    
Repurchase Agreements [Member]
      
Short-term Debt [Line Items]      
Average interest rate (in hundredths) 0.38%    
Average balance of repurchase agreements $ 207,100,000    
Federal Funds Purchased [Member]
      
Short-term Debt [Line Items]      
Average interest rate (in hundredths) 0.15%