CASH AND SECURITIES (Available-for-sale Securities with Continuous Loss Position) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	$ 292,992	$ 136,877
Less than 12 Months, Unrealized Losses	4,803	988
12 Months or More, Fair Value	44,064	5,746
12 Months or More, Unrealized Losses	1,507	81
Total Fair Value	337,056	142,623
Unrealized Losses	6,310	1,069
U.S. Government and agency obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	39,621	22,955
Less than 12 Months, Unrealized Losses	633	53
12 Months or More, Fair Value	998	0
12 Months or More, Unrealized Losses	2	0
Total Fair Value	40,619	22,955
Unrealized Losses	635	53
Total municipal bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	23,797	15,628
Less than 12 Months, Unrealized Losses	466	78
12 Months or More, Fair Value	900	0
12 Months or More, Unrealized Losses	20	0
Total Fair Value	24,697	15,628
Unrealized Losses	486	78
Taxable municipal bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	15,580	11,009
Less than 12 Months, Unrealized Losses	261	67
12 Months or More, Fair Value	413	0
12 Months or More, Unrealized Losses	17	0
Total Fair Value	15,993	11,009
Unrealized Losses	278	67
Tax exempt municipal bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	8,217	4,619
Less than 12 Months, Unrealized Losses	205	11
12 Months or More, Fair Value	487	0
12 Months or More, Unrealized Losses	3	0
Total Fair Value	8,704	4,619
Unrealized Losses	208	11
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	4,961
Less than 12 Months, Unrealized Losses	39
12 Months or More, Fair Value	0
12 Months or More, Unrealized Losses	0
Total Fair Value	4,961
Unrealized Losses	39
Total Mortgage-backed or related securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	224,613	71,908
Less than 12 Months, Unrealized Losses	3,665	774
12 Months or More, Fair Value	32,656	5,746
12 Months or More, Unrealized Losses	935	81
Total Fair Value	257,269	77,654
Unrealized Losses	4,600	855
1-4 residential agency guaranteed [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	14,972	32,459
Less than 12 Months, Unrealized Losses	133	503
12 Months or More, Fair Value	22,560	5,746
12 Months or More, Unrealized Losses	705	81
Total Fair Value	37,532	38,205
Unrealized Losses	838	584
Multifamily agency guaranteed [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	199,407	32,170
Less than 12 Months, Unrealized Losses	3,162	226
12 Months or More, Fair Value	10,096	0
12 Months or More, Unrealized Losses	230	0
Total Fair Value	209,503	32,170
Unrealized Losses	3,392	226
Multifamily other [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	10,234	7,279
Less than 12 Months, Unrealized Losses	370	45
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total Fair Value	10,234	7,279
Unrealized Losses	370	45
Asset-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value		19,716
Less than 12 Months, Unrealized Losses		74
12 Months or More, Fair Value		0
12 Months or More, Unrealized Losses		0
Total Fair Value		19,716
Unrealized Losses		74
SLMA [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value		9,674
Less than 12 Months, Unrealized Losses		45
12 Months or More, Fair Value		0
12 Months or More, Unrealized Losses		0
Total Fair Value		9,674
Unrealized Losses		45
Other Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months, Fair Value	0	10,042
Less than 12 Months, Unrealized Losses	0	29
12 Months or More, Fair Value	9,510	0
12 Months or More, Unrealized Losses	550	0
Total Fair Value	9,510	10,042
Unrealized Losses	$ 550	$ 29