SECURITIES - Additional Information (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Proceeds from sale of securities	$ 4,061,000	$ 11,836,000
Gross gains from sale of securities	17,000	101,000
Gross losses from sale of securities	0	76,000
Fair Value, Total	495,524,000		511,344,000
Accumulated unrealized losses	16,233,000		20,003,000
Collateral underlying mortgage investments terms	30- and 15-year fixed and 10/1 adjustable rate mortgage loans
Federal Home Loan Bank and Federal Reserve Bank stock	11,800,000
United States Treasury Deposits and Other Public and Trust Deposits [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities pledged as collateral	101,616,000
Repurchase Agreements [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities pledged as collateral	185,857,000
Collateral Backed Securities Issued by Private Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Total	57,900,000
Accumulated unrealized losses	700,000
Mortgage Backed Securities and Collateralized Mortgage Obligations of US Government Sponsored Entities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Total	404,700,000
Accumulated unrealized losses	$ 15,100,000