FEDERAL HOME LOAN BANK ADVANCES (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
FEDERAL HOME LOAN BANK ADVANCES
Available borrowing capacity from unused FHLB advances	$ 3,700,000,000	$ 3,250,000,000
Long-term FHLB advances prepaid	0	93,000,000
Additional prepayment penalties		6,800,000
Additional available borrowing capacity from the Federal Reserve Bank's discount window	1,420,000,000	1,310,000,000
Outstanding overnight FHLB borrowings	0	0
FHLB advances		375,000,000
Modification Cost		$ 48,190,000