SECURITIES - Additional Information (Details) (USD $)	1 Months Ended	3 Months Ended		6 Months Ended
	May 31, 2014	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Proceeds from Sale of Available-for-sale Securities, Debt				$ 4,061,000	$ 55,519,000
Available-for-sale Securities, Gross Realized Gains				17,000	496,000
Available-for-sale Securities, Gross Realized Losses				0	357,000
Collateral Underlying Mortgage Investments Terms				30- and 15-year fixed and 10/1 adjustable rate mortgage
Federal Home Loan Bank Stock and Federal Reserve Bank Stock		11,700,000		11,700,000
Cost Method Investments, Fair Value Disclosure		11,700,000		11,700,000
Fair Value, Total		372,766,000		372,766,000		511,344,000
Accumulated unrealized losses		(8,510,000)		(8,510,000)		(20,003,000)
Securities Available For Sale Transferred To Held-To-Maturity	158,800,000
Available For Sale Securities Transferred To Held To Maturity Securities Unrealized Gain Loss	3,000,000	(3,137,000)	0	(3,137,000)	0
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Total		18,669,000		18,669,000		47,653,000
Accumulated unrealized losses		(236,000)		(236,000)		(413,000)
Mortgage-backed Securities, Issued by Private Enterprises [Member] | Carrying Amount [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities pledged as collateral		179,415,000		179,415,000
Mortgage-backed Securities, Issued by Private Enterprises [Member] | Fair Value [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities pledged as collateral		179,056,000		179,056,000
Mortgage Backed Securities And Collateralized Mortgage Obligations Of Us Government Sponsored Entities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Total		321,800,000		321,800,000
Accumulated unrealized losses		7,800,000		7,800,000
Collateralized Mortgage Backed Securities [Member] | Carrying Amount [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities pledged as collateral		97,858,000		97,858,000
Collateralized Mortgage Backed Securities [Member] | Fair Value [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities pledged as collateral		97,740,000		97,740,000
Collateralized Loan Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Total		32,261,000		32,261,000		32,179,000
Accumulated unrealized losses		$ (398,000)		$ (398,000)		$ (413,000)