FAIR VALUE (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Assets measured at fair value on recurring basis
Available for sale securities	$ 587,184	$ 575,179
U.S. GSE securities
Assets measured at fair value on recurring basis
Available for sale securities	95,425	152,757
State and municipal obligations
Assets measured at fair value on recurring basis
Available for sale securities	63,693	61,656
U.S. GSE residential mortgage-backed securities
Assets measured at fair value on recurring basis
Available for sale securities	101,425	14,435
U.S. GSE Residential collateralized mortgage Obligations
Assets measured at fair value on recurring basis
Available for sale securities	258,599	279,191
U.S. GSE commercial mortgage-backed securities
Assets measured at fair value on recurring basis
Available for sale securities	2,945	2,834
U.S. GSE commercial collateralized mortgage obligations
Assets measured at fair value on recurring basis
Available for sale securities	24,082	26,910
Non Agency commercial mortgage-backed securities
Assets measured at fair value on recurring basis
Available for sale securities		3,578
Other Asset backed securities
Assets measured at fair value on recurring basis
Available for sale securities	23,037	33,818
Corporate bonds
Assets measured at fair value on recurring basis
Available for sale securities	17,978
Significant Other Observable Inputs (Level 2)
Assets measured at fair value on recurring basis
Available for sale securities	587,184	575,179
Financial Liabilities: Derivatives	(943)	(164)
Carrying Amount
Assets measured at fair value on recurring basis
Available for sale securities	587,184	575,179
Financial Liabilities: Derivatives	(943)	(164)
Recurring basis
Assets measured at fair value on recurring basis
Financial Liabilities: Derivatives	(943)
Recurring basis | U.S. GSE securities
Assets measured at fair value on recurring basis
Available for sale securities	95,425
Recurring basis | State and municipal obligations
Assets measured at fair value on recurring basis
Available for sale securities	63,693
Recurring basis | U.S. GSE residential mortgage-backed securities
Assets measured at fair value on recurring basis
Available for sale securities	101,425
Recurring basis | U.S. GSE Residential collateralized mortgage Obligations
Assets measured at fair value on recurring basis
Available for sale securities	258,599
Recurring basis | U.S. GSE commercial mortgage-backed securities
Assets measured at fair value on recurring basis
Available for sale securities	2,945
Recurring basis | U.S. GSE commercial collateralized mortgage obligations
Assets measured at fair value on recurring basis
Available for sale securities	24,082
Recurring basis | Other Asset backed securities
Assets measured at fair value on recurring basis
Available for sale securities	23,037
Recurring basis | Corporate bonds
Assets measured at fair value on recurring basis
Available for sale securities	17,978
Recurring basis | Significant Other Observable Inputs (Level 2)
Assets measured at fair value on recurring basis
Financial Liabilities: Derivatives	(943)	(164)
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. GSE securities
Assets measured at fair value on recurring basis
Available for sale securities	95,425	152,757
Recurring basis | Significant Other Observable Inputs (Level 2) | State and municipal obligations
Assets measured at fair value on recurring basis
Available for sale securities	63,693	61,656
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. GSE residential mortgage-backed securities
Assets measured at fair value on recurring basis
Available for sale securities	101,425	14,435
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. GSE Residential collateralized mortgage Obligations
Assets measured at fair value on recurring basis
Available for sale securities	258,599	279,191
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. GSE commercial mortgage-backed securities
Assets measured at fair value on recurring basis
Available for sale securities	2,945	2,834
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. GSE commercial collateralized mortgage obligations
Assets measured at fair value on recurring basis
Available for sale securities	24,082	26,910
Recurring basis | Significant Other Observable Inputs (Level 2) | Non Agency commercial mortgage-backed securities
Assets measured at fair value on recurring basis
Available for sale securities		3,578
Recurring basis | Significant Other Observable Inputs (Level 2) | Other Asset backed securities
Assets measured at fair value on recurring basis
Available for sale securities	23,037	33,818
Recurring basis | Significant Other Observable Inputs (Level 2) | Corporate bonds
Assets measured at fair value on recurring basis
Available for sale securities	17,978
Recurring basis | Carrying Amount
Assets measured at fair value on recurring basis
Financial Liabilities: Derivatives		(164)
Recurring basis | Carrying Amount | U.S. GSE securities
Assets measured at fair value on recurring basis
Available for sale securities		152,757
Recurring basis | Carrying Amount | State and municipal obligations
Assets measured at fair value on recurring basis
Available for sale securities		61,656
Recurring basis | Carrying Amount | U.S. GSE residential mortgage-backed securities
Assets measured at fair value on recurring basis
Available for sale securities		14,435
Recurring basis | Carrying Amount | U.S. GSE Residential collateralized mortgage Obligations
Assets measured at fair value on recurring basis
Available for sale securities		279,191
Recurring basis | Carrying Amount | U.S. GSE commercial mortgage-backed securities
Assets measured at fair value on recurring basis
Available for sale securities		2,834
Recurring basis | Carrying Amount | U.S. GSE commercial collateralized mortgage obligations
Assets measured at fair value on recurring basis
Available for sale securities		26,910
Recurring basis | Carrying Amount | Non Agency commercial mortgage-backed securities
Assets measured at fair value on recurring basis
Available for sale securities		3,578
Recurring basis | Carrying Amount | Other Asset backed securities
Assets measured at fair value on recurring basis
Available for sale securities		$ 33,818