INTEREST-BEARING DEPOSITS AND SECURITIES (Trading Securities Debt Maturities) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Trading Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Maturing in one year or less, amortized cost	$ 1,070	$ 1,071
Maturing after one year through five years, amortized cost	9,205	6,595
Maturing after five years through ten years, amortized cost	3,806	7,035
Maturing after ten years through twenty years, amortized cost	4,298	11,196
Maturing after twenty, amortized cost	18,662	21,569
Total with maturity date, amortized cost	37,041	47,466
Without maturity date, amortized cost	14	14
Amortized Cost	37,055	47,480
Trading Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Maturing in one year or less, fair value	1,083	1,094
Maturing after one year through five years, fair value	9,927	7,097
Maturing after five years, through ten years, fair value	4,181	7,727
Maturing after ten years through twenty years, fair value	4,582	10,083
Maturing after twenty years, fair value	12,571	14,198
Total with maturity date, fair value	32,344	40,199
Without maturity date, fair value	60	59
Fair Value	$ 32,404	$ 40,258