FEDERAL HOME LOAN BANK ADVANCES (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013 item	Dec. 31, 2012 item	Jun. 30, 2012
FEDERAL HOME LOAN BANK ADVANCES
Number of term advances outstanding from the Federal Home Loan Bank	1	1
Term advance outstanding from the Federal Home Loan Bank	$ 15.0	$ 15.0
Fixed interest rate on Federal Home Loan Bank advances (as a percent)	0.46%	0.39%
Overnight borrowings outstanding from the Federal Home Loan Bank	$ 60.0	$ 0	$ 0