INTEREST-BEARING DEPOSITS AND SECURITIES (Trading Securities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	$ 92,017	$ 112,663
Fair Value	72,593	80,727
Percent of Total	100.00%	100.00%
U.S. Government and agency obligations [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	1,380	2,401
Fair Value	1,642	2,635
Percent of Total	2.30%	3.30%
Total municipal bonds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	5,439	5,822
Fair Value	5,535	5,962
Percent of Total	7.60%	7.40%
Taxable municipal bonds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	0	391
Fair Value	0	420
Percent of Total	0.00%	0.50%
Tax exempt municipal bonds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	5,439	5,431
Fair Value	5,535	5,542
Percent of Total	7.60%	6.90%
Corporate bonds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	57,820	63,502
Fair Value	35,180	35,055
Percent of Total	48.40%	43.40%
Total mortgage-backed or related securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	27,364	34,024
Fair Value	30,186	36,673
Percent of Total	41.60%	45.40%
FNMA [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	19,383	23,489
Fair Value	21,543	25,427
Percent of Total	29.70%	31.50%
FHLMC [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	7,981	10,535
Fair Value	8,643	11,246
Percent of Total	11.90%	13.90%
Equity securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	14	6,914
Fair Value	$ 50	$ 402
Percent of Total	0.10%	0.50%