DUE TO DEPOSITORS (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Deposits [Abstract]
Savings accounts	$ 372,753		$ 376,900
Certificates of deposit ("CDs")	926,318		828,409
Money market accounts	1,094,698		1,040,079
Interest bearing checking accounts	78,430		87,301
Non-interest bearing checking accounts	187,593		174,457
Total deposits	2,659,792		2,507,146
Weighted Average Rate Domestic Deposit Liabilities [Abstract]
Savings accounts (in hundredths)	0.05%		0.05%
Certificates of deposit ("CDs") (in hundredths)	1.43%		1.55%
Money market accounts (in hundredths)	0.61%		0.50%
Interest bearing checking accounts (in hundredths)	0.08%		0.08%
Effective cost on noninterest bearing accounts (in hundredths)	0.00%		0.00%
TOTAL (in hundredths)	0.76%		0.73%
Maturities of Time Deposits [Abstract]
2015	504,939
2016	113,041
2017	87,517
2018	99,067
2019	110,392
2020 and beyond	11,362
TOTAL	926,318
Weighted Average Rate of Time Deposits [Abstract]
2015	1.10%
2016	1.32%
2017	1.84%
2018	2.25%
2019	1.98%
2020 and beyond	1.71%
TOTAL	1.43%	[1]
Weighted average cost of CDs, inclusive of their contractual compounding of interest (in hundredths)	1.43%
Aggregate amount of CDs $100,000 or More	$ 122,603		$ 77,369

[1] The weighted average cost of CDs, inclusive of their contractual compounding of interest, was 1.43% at December 31, 2014.