CASH AND SECURITIES (Available-for-sale Securities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 474,960	$ 469,650
Gross Unrealized Gains	1,630	4,339
Gross Unrealized Losses	6,310	1,069
Fair Value	470,280	472,920
Percent of Total	100.00%	100.00%
U.S. Government and agency obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	59,178	96,666
Gross Unrealized Gains	117	367
Gross Unrealized Losses	635	53
Fair Value	58,660	96,980
Percent of Total	12.50%	20.50%
Total municipal bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	53,071	44,562
Gross Unrealized Gains	270	454
Gross Unrealized Losses	486	78
Fair Value	52,855	44,938
Percent of Total	11.20%	9.50%
Taxable municipal bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	23,842	20,987
Gross Unrealized Gains	100	233
Gross Unrealized Losses	278	67
Fair Value	23,664	21,153
Percent of Total	5.00%	4.50%
Tax exempt municipal bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	29,229	23,575
Gross Unrealized Gains	170	221
Gross Unrealized Losses	208	11
Fair Value	29,191	23,785
Percent of Total	6.20%	5.00%
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	7,001	10,701
Gross Unrealized Gains	2	37
Gross Unrealized Losses	39	9
Fair Value	6,964	10,729
Percent of Total	1.50%	2.30%
Total Mortgage-backed or related securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	330,097	275,341
Gross Unrealized Gains	1,113	3,271
Gross Unrealized Losses	4,600	855
Fair Value	326,610	277,757
Percent of Total	69.50%	58.70%
1-4 residential agency guaranteed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	47,077	87,392
Gross Unrealized Gains	648	1,051
Gross Unrealized Losses	838	584
Fair Value	46,887	87,859
Percent of Total	10.00%	18.60%
1-4 residential other [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	988	1,223
Gross Unrealized Gains	63	76
Gross Unrealized Losses	0	0
Fair Value	1,051	1,299
Percent of Total	0.20%	0.30%
Multifamily agency guaranteed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	271,428	176,026
Gross Unrealized Gains	402	2,140
Gross Unrealized Losses	3,392	226
Fair Value	268,438	177,940
Percent of Total	57.10%	37.60%
Multifamily other [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	10,604	10,700
Gross Unrealized Gains	0	4
Gross Unrealized Losses	370	45
Fair Value	10,234	10,659
Percent of Total	2.20%	2.20%
Asset-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	25,613	42,380
Gross Unrealized Gains	128	210
Gross Unrealized Losses	550	74
Fair Value	25,191	42,516
Percent of Total	5.30%	9.00%
SLMA [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	15,553	32,309
Gross Unrealized Gains	128	210
Gross Unrealized Losses	0	45
Fair Value	15,681	32,474
Percent of Total	3.30%	6.90%
Other Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	10,060	10,071
Gross Unrealized Gains	0	0
Gross Unrealized Losses	550	29
Fair Value	$ 9,510	$ 10,042
Percent of Total	2.00%	2.10%