INVESTMENT SECURITIES (Details 1) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Securities available for sale:
Less Than 12 Months, Fair Value	$ 306,224	$ 313,649
Less Than 12 Months, Unrealized Losses	2,573	3,992
12 Months or More, Fair Value	109,835	121,742
12 Months or More, Unrealized Losses	1,278	3,583
Total Fair Value	416,059	435,391
Total Unrealized Losses	3,851	7,575
GSE obligations
Securities available for sale:
Less Than 12 Months, Fair Value	60,834	999
Less Than 12 Months, Unrealized Losses	3	1
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total Fair Value	60,834	999
Total Unrealized Losses	3	1
SBA-guaranteed securities
Securities available for sale:
Less Than 12 Months, Fair Value	1,503	5,043
Less Than 12 Months, Unrealized Losses	2	12
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total Fair Value	1,503	5,043
Total Unrealized Losses	2	12
Mortgage-backed securities issued by GSEs
Securities available for sale:
Less Than 12 Months, Fair Value	108,506	208,620
Less Than 12 Months, Unrealized Losses	620	2,453
12 Months or More, Fair Value	101,252	117,144
12 Months or More, Unrealized Losses	1,078	3,463
Total Fair Value	209,758	325,764
Total Unrealized Losses	1,698	5,916
Municipal bonds
Securities available for sale:
Less Than 12 Months, Fair Value	2,158	8,995
Less Than 12 Months, Unrealized Losses	32	106
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total Fair Value	2,158	8,995
Total Unrealized Losses	32	106
Corporate bonds
Securities available for sale:
Less Than 12 Months, Fair Value	81,744	43,110
Less Than 12 Months, Unrealized Losses	681	577
12 Months or More, Fair Value	8,583	3,697
12 Months or More, Unrealized Losses	200	111
Total Fair Value	90,327	46,807
Total Unrealized Losses	881	688
Collateralized loan obligations
Securities available for sale:
Less Than 12 Months, Fair Value	50,080	45,471
Less Than 12 Months, Unrealized Losses	436	55
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total Fair Value	50,080	45,471
Total Unrealized Losses	436	55
Non-agency RMBS
Securities available for sale:
Less Than 12 Months, Fair Value		0
Less Than 12 Months, Unrealized Losses		0
12 Months or More, Fair Value		901
12 Months or More, Unrealized Losses		9
Total Fair Value		901
Total Unrealized Losses		9
Equity securities
Securities available for sale:
Less Than 12 Months, Fair Value	1,399	1,411
Less Than 12 Months, Unrealized Losses	799	788
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Total Fair Value	1,399	1,411
Total Unrealized Losses	$ 799	$ 788