FEDERAL HOME LOAN BANK (FHLB) ADVANCES (Details) (USD $)							6 Months Ended							6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Fixed interest rate advances with a weighted average interest rate of 1.89% due through 2023	Dec. 31, 2013 Fixed interest rate advances with a weighted average interest rate of 1.89% due through 2023	Jun. 30, 2014 Putable fixed interest rate advances with a weighted average interest rate of 4.39% due through 2017	Dec. 31, 2013 Putable fixed interest rate advances with a weighted average interest rate of 4.39% due through 2017	Jun. 30, 2014 Putable fixed interest rate advances with a weighted average interest rate of 4.39% due through 2017 Minimum	Jun. 30, 2014 Putable fixed interest rate advances with a weighted average interest rate of 4.39% due through 2017 Maximum	Jun. 30, 2014 Various other unsecured lines of credit	Dec. 31, 2013 Various other unsecured lines of credit	Jun. 30, 2014 Overnight advance with an interest rate of 0.11% due on July 1, 2014	Jun. 30, 2014 Variable interest rate advance indexed to 3-Month LIBOR plus 0.14% due on December 19, 2014	Dec. 31, 2013 Variable interest rate advance indexed to 3-Month LIBOR plus 0.14% due on December 19, 2014	Jun. 30, 2014 Variable interest rate advance indexed to 3-Month LIBOR plus 0.14% due on December 19, 2014 3-Month LIBOR
FHLB advances
Total FHLB advances	$ 640,000,000	$ 605,000,000	$ 437,000,000	$ 495,000,000	$ 100,000,000	$ 100,000,000					$ 93,000,000	$ 10,000,000	$ 10,000,000
Interest rate (as percent)											0.11%
Variable interest rate basis														3-Month LIBOR
Applicable margin (as a percent)														0.14%
Weighted average interest rate (as percent)	2.00%		1.89%	1.89%	4.39%	4.39%
Original fixed rate periods							1 year	5 years
Original maturities							3 years	10 years
Additional collateralized advances available	277,000,000	282,000,000
Unsecured lines of credit									$ 166,000,000	$ 166,000,000