INTEREST-BEARING DEPOSITS AND SECURITIES (Available-for-sale Securities) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 455,232	$ 474,960
Gross Unrealized Gains	2,475	1,630
Gross Unrealized Losses	(2,354)	(6,310)
Fair Value	455,353	470,280
Percent of Total	100.00%	100.00%
U.S. Government and agency obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	52,424	59,178
Gross Unrealized Gains	41	117
Gross Unrealized Losses	(253)	(635)
Fair Value	52,212	58,660
Percent of Total	11.50%	12.50%
Total municipal bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	50,609	53,071
Gross Unrealized Gains	310	270
Gross Unrealized Losses	(118)	(486)
Fair Value	50,801	52,855
Percent of Total	11.20%	11.20%
Taxable municipal bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	19,733	23,842
Gross Unrealized Gains	116	100
Gross Unrealized Losses	(40)	(278)
Fair Value	19,809	23,664
Percent of Total	4.40%	5.00%
Tax exempt municipal bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	30,876	29,229
Gross Unrealized Gains	194	170
Gross Unrealized Losses	(78)	(208)
Fair Value	30,992	29,191
Percent of Total	6.80%	6.20%
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	5,000	7,001
Gross Unrealized Gains	11	2
Gross Unrealized Losses	0	(39)
Fair Value	5,011	6,964
Percent of Total	1.10%	1.50%
Total mortgage-backed or related securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	321,636	330,097
Gross Unrealized Gains	1,889	1,113
Gross Unrealized Losses	(1,662)	(4,600)
Fair Value	321,863	326,610
Percent of Total	70.60%	69.50%
1-4 residential agency guaranteed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	43,883	47,077
Gross Unrealized Gains	839	648
Gross Unrealized Losses	(452)	(838)
Fair Value	44,270	46,887
Percent of Total	9.70%	10.00%
1-4 residential other [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	860	988
Gross Unrealized Gains	51	63
Gross Unrealized Losses	0	0
Fair Value	911	1,051
Percent of Total	0.20%	0.20%
Multifamily agency guaranteed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	266,339	271,428
Gross Unrealized Gains	877	402
Gross Unrealized Losses	(1,210)	(3,392)
Fair Value	266,006	268,438
Percent of Total	58.40%	57.10%
Multifamily other [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	10,554	10,604
Gross Unrealized Gains	122	0
Gross Unrealized Losses	0	(370)
Fair Value	10,676	10,234
Percent of Total	2.30%	2.20%
Asset-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	25,563	25,613
Gross Unrealized Gains	224	128
Gross Unrealized Losses	(321)	(550)
Fair Value	25,466	25,191
Percent of Total	5.60%	5.30%
SLMA [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	15,508	15,553
Gross Unrealized Gains	224	128
Gross Unrealized Losses	0	0
Fair Value	15,732	15,681
Percent of Total	3.50%	3.30%
Other asset-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	10,055	10,060
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(321)	(550)
Fair Value	$ 9,734	$ 9,510
Percent of Total	2.10%	2.00%