Quarterly report pursuant to Section 13 or 15(d)

SECURITIES (Schedule of Securities Pledged to Secure Public Deposits, Repurchase Agreements, and for Other Purposes) (Details)

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SECURITIES (Schedule of Securities Pledged to Secure Public Deposits, Repurchase Agreements, and for Other Purposes) (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Available-for-sale Securities [Member]    
Schedule of Investments [Line Items]    
Total pledged AFS securities, fair value $ 328,150 $ 337,301
Available-for-sale Securities [Member] | Public Deposits [Member]    
Schedule of Investments [Line Items]    
Total pledged AFS securities, fair value 182,313 184,635
Available-for-sale Securities [Member] | Repurchase Agreements [Member]    
Schedule of Investments [Line Items]    
Total pledged AFS securities, fair value 120,351 126,120
Available-for-sale Securities [Member] | Other Purposes [Member]    
Schedule of Investments [Line Items]    
Total pledged AFS securities, fair value [1] 25,486 26,546
Held-to-maturity Securities [Member]    
Schedule of Investments [Line Items]    
Total pledged HTM securities, fair value 210,349 207,140
Held-to-maturity Securities [Member] | Public Deposits [Member]    
Schedule of Investments [Line Items]    
Total pledged HTM securities, fair value $ 210,349 $ 207,140
[1] The "Other purposes" category consists of borrowings, derivatives, and accounts held at the Bank.