INTEREST-BEARING DEPOSITS AND SECURITIES (Trading Securities Debt Maturities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Trading Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Due in one year or less, amortized cost	$ 0	$ 0
Due after one year through five years, amortized cost	3,957	4,496
Due after five years through ten years, amortized cost	16,483	14,251
Due after ten years through twenty years, amortized cost	21,947	12,055
Due after twenty, amortized cost	34,124	59,523
Total with maturity date, amortized cost	76,511	90,325
Amortized Cost	76,525	90,339
Trading Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Due in one year or less, fair value	0	0
Due after one year through five years, fair value	4,219	4,867
Due after five years, through ten years, fair value	17,502	15,536
Due after ten years through twenty years, fair value	18,737	11,346
Due after twenty years, fair value	23,361	39,420
Total with maturity date, fair value	63,819	71,169
Securities—trading, amortized cost $76,525 and $90,339, respectively	63,887	71,232
Equity securities [Member]
Trading Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Without maturity date, amortized cost	14	14
Amortized Cost	14	14
Trading Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Without maturity date, fair value	68	63
Securities—trading, amortized cost $76,525 and $90,339, respectively	$ 68	$ 63