INTEREST-BEARING DEPOSITS AND SECURITIES (Trading Securities Debt Maturities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 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	4,390	4,496
Due after five years through ten years, amortized cost	13,830	14,251
Due after ten years through twenty years, amortized cost	11,882	12,055
Due after twenty, amortized cost	50,077	59,523
Total with maturity date, amortized cost	80,179	90,325
Amortized Cost	80,193	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	4,732	4,867
Due after five years, through ten years, fair value	15,021	15,536
Due after ten years through twenty years, fair value	10,945	11,346
Due after twenty years, fair value	37,003	39,420
Total with maturity date, fair value	67,701	71,169
Fair Value	67,761	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	60	63
Fair Value	$ 60	$ 63