INTEREST-BEARING DEPOSITS AND SECURITIES (Held-to-maturity Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 132,197	$ 131,258
Gross Unrealized Gains	(5,469)	(6,424)
Gross Unrealized Losses	(399)	(74)
Fair Value	$ 137,267	$ 137,608
Percent of Total Amortized Cost	100.00%	100.00%
U.S. Government and agency obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 1,126	$ 2,146
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(9)	(19)
Fair Value	$ 1,117	$ 2,127
Percent of Total Amortized Cost	0.90%	1.60%
Total municipal bonds [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 121,797	$ 119,951
Gross Unrealized Gains	(5,353)	(6,319)
Gross Unrealized Losses	(386)	(48)
Fair Value	$ 126,764	$ 126,222
Percent of Total Amortized Cost	92.10%	91.40%
Taxable municipal bonds [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 12,634	$ 12,988
Gross Unrealized Gains	(225)	(371)
Gross Unrealized Losses	(36)	(1)
Fair Value	$ 12,823	$ 13,358
Percent of Total Amortized Cost	9.50%	9.90%
Tax exempt municipal bonds [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 109,163	$ 106,963
Gross Unrealized Gains	(5,128)	(5,948)
Gross Unrealized Losses	(350)	(47)
Fair Value	$ 113,941	$ 112,864
Percent of Total Amortized Cost	82.60%	81.50%
Corporate bonds [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 1,800	$ 1,800
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	$ 1,800	$ 1,800
Percent of Total Amortized Cost	1.40%	1.40%
Total mortgage-backed or related securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 7,474	$ 7,361
Gross Unrealized Gains	(116)	(105)
Gross Unrealized Losses	(4)	(7)
Fair Value	$ 7,586	$ 7,459
Percent of Total Amortized Cost	5.60%	5.60%
1-4 residential agency guaranteed [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 1,757	$ 1,580
Gross Unrealized Gains	(13)	(1)
Gross Unrealized Losses	(4)	(7)
Fair Value	$ 1,766	$ 1,574
Percent of Total Amortized Cost	1.30%	1.20%
Multifamily agency guaranteed [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 5,717	$ 5,781
Gross Unrealized Gains	(103)	(104)
Gross Unrealized Losses	0	0
Fair Value	$ 5,820	$ 5,885
Percent of Total Amortized Cost	4.30%	4.40%