Annual report pursuant to Section 13 and 15(d)

FEDERAL FUNDS PURCHASED (Additional Information) (Details)

v3.3.1.900
FEDERAL FUNDS PURCHASED (Additional Information) (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Federal Funds Purchased [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 5.00%  
Line of Credit, Current $ 180.0 $ 160.0
Federal Funds Purchased [Member]    
Federal Funds Purchased [Line Items]    
Short-term Debt, Total $ 352.4 $ 264.3
Federal Funds Purchased [Member] | Maximum [Member]    
Federal Funds Purchased [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 0.75% 0.30%
Federal Funds Purchased [Member] | Minimum [Member]    
Federal Funds Purchased [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 0.55% 0.25%