FAIR VALUE DISCLOSURES (Reconciliation of All Assets Measured at Fair Value on a Recurring Basis using Significant Unobservable Inputs (Level 3)) (Details) - State and Municipal Securities [Member] - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Balance of recurring Level 3 assets at January 1	$ 670	$ 551
Transfers into Level 3	0	339
Changes in fair value of securities included in other comprehensive income	(3)	(1)
Principal payments	(45)	(40)
Balance of recurring Level 3 assets at March 31	$ 622	$ 849

FAIR VALUE DISCLOSURES (Reconciliation of All Assets Measured at Fair Value on a Recurring Basis using Significant Unobservable Inputs (Level 3)) (Details) - State and Municipal Securities [Member] - USD ($)
$ in Thousands

3 Months Ended

Mar. 31, 2017

Mar. 31, 2016

Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]

Balance of recurring Level 3 assets at January 1

$ 670

$ 551

Transfers into Level 3

339

Changes in fair value of securities included in other comprehensive income

(3)

(1)

Principal payments

(45)

(40)

Balance of recurring Level 3 assets at March 31

$ 622

$ 849