INTEREST-BEARING DEPOSITS AND SECURITIES (Trading Securities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	$ 80,193	$ 90,339
Fair Value	67,761	71,232
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	1,370	1,380
Fair Value	1,617	1,637
Percent of Total	2.40%	2.30%
Tax exempt municipal bonds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	5,245	5,590
Fair Value	5,347	5,684
Percent of Total	7.90%	8.00%
Corporate bonds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	49,678	57,807
Fair Value	34,520	35,741
Percent of Total	50.90%	50.20%
Total mortgage-backed or related securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	23,886	25,548
Fair Value	26,217	28,107
Percent of Total	38.70%	39.40%
1-4 residential agency guaranteed [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	14,952	16,574
Fair Value	16,166	17,911
Percent of Total	23.90%	25.10%
Multifamily agency guaranteed [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	8,934	8,974
Fair Value	10,051	10,196
Percent of Total	14.80%	14.30%
Equity securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	14	14
Fair Value	$ 60	$ 63
Percent of Total	0.10%	0.10%