Quarterly report pursuant to Section 13 or 15(d)

INVESTMENT SECURITIES (Narrative) (Details)

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INVESTMENT SECURITIES (Narrative) (Details)
Sep. 30, 2017
USD ($)
Investment_Positions
Dec. 31, 2016
USD ($)
Investments, Debt and Equity Securities [Abstract]    
Securities pledged to secure public deposits | $ $ 214,300,000 $ 332,700,000
Debt Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities and Held-to-maturity investments in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Total 266  
Available-for-sale Securities and Held-To-Maturity, Continuous Unrealized Loss Position Fair Value, Total | $ $ 2,000,000  
Government National Mortgage Association Certificates and Obligations (GNMA) [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities and Held-to-maturity investments in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Total 71  
U.S. Government Treasury [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities and Held-to-maturity investments in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Total 58  
U.S. Government Agency [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities and Held-to-maturity investments in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Total 32