FAIR VALUE MEASUREMENTS (Schedule of Carrying Values and Estimated Fair Values of Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
FINANCIAL ASSETS:
Investment securities available-for-sale	$ 356,324	$ 353,698
Investment securities held-to-maturity	1,077	1,083
Restricted investment in bank stocks	5,207	4,761
Net loans	454,261	443,844
Mortgage servicing rights	498	521
Accrued interest receivable	3,502	3,616
FINANCIAL LIABILITIES:
Deposits	669,983	690,771
Short-term borrowings	73,656	68,233
Long-term borrowings	46,446	41,288
Accrued interest payable	413	392
OFF-BALANCE SHEET FINANCIAL INSTRUMENTS
Cash and Due From Banks [Member]
FINANCIAL ASSETS:
Cash and cash equivalents	8,310	8,257
Interest-Bearing Deposits in Other Banks [Member]
FINANCIAL ASSETS:
Cash and cash equivalents	1,511	22,366
Carrying Amount [Member]
FINANCIAL ASSETS:
Investment securities available-for-sale	356,324	353,698
Investment securities held-to-maturity	1,068	1,072
Restricted investment in bank stocks	5,207	4,761
Net loans	449,434	439,999
Mortgage servicing rights	498	521
Accrued interest receivable	3,502	3,616
FINANCIAL LIABILITIES:
Deposits	669,525	690,075
Short-term borrowings	73,656	68,233
Long-term borrowings	45,405	40,429
Accrued interest payable	413	392
OFF-BALANCE SHEET FINANCIAL INSTRUMENTS
Carrying Amount [Member] | Cash and Due From Banks [Member]
FINANCIAL ASSETS:
Cash and cash equivalents	8,310	8,257
Carrying Amount [Member] | Interest-Bearing Deposits in Other Banks [Member]
FINANCIAL ASSETS:
Cash and cash equivalents	1,511	22,366
Level 1 [Member]
FINANCIAL ASSETS:
Investment securities available-for-sale	2,518	2,535
Investment securities held-to-maturity
Restricted investment in bank stocks
Net loans
Mortgage servicing rights
Accrued interest receivable
FINANCIAL LIABILITIES:
Deposits
Short-term borrowings
Long-term borrowings
Accrued interest payable
OFF-BALANCE SHEET FINANCIAL INSTRUMENTS
Level 1 [Member] | Cash and Due From Banks [Member]
FINANCIAL ASSETS:
Cash and cash equivalents	8,310	8,257
Level 1 [Member] | Interest-Bearing Deposits in Other Banks [Member]
FINANCIAL ASSETS:
Cash and cash equivalents
Level 2 [Member]
FINANCIAL ASSETS:
Investment securities available-for-sale	353,806	351,163
Investment securities held-to-maturity	1,077	1,083
Restricted investment in bank stocks	5,207	4,761
Net loans
Mortgage servicing rights
Accrued interest receivable	3,502	3,616
FINANCIAL LIABILITIES:
Deposits	669,983	690,771
Short-term borrowings	73,656	68,233
Long-term borrowings	46,446	41,288
Accrued interest payable	413	392
OFF-BALANCE SHEET FINANCIAL INSTRUMENTS
Level 2 [Member] | Cash and Due From Banks [Member]
FINANCIAL ASSETS:
Cash and cash equivalents
Level 2 [Member] | Interest-Bearing Deposits in Other Banks [Member]
FINANCIAL ASSETS:
Cash and cash equivalents	1,511	22,366
Level 3 [Member]
FINANCIAL ASSETS:
Investment securities available-for-sale
Investment securities held-to-maturity
Restricted investment in bank stocks
Net loans	454,261	443,844
Mortgage servicing rights	498	521
Accrued interest receivable
FINANCIAL LIABILITIES:
Deposits
Short-term borrowings
Long-term borrowings
Accrued interest payable
OFF-BALANCE SHEET FINANCIAL INSTRUMENTS
Level 3 [Member] | Cash and Due From Banks [Member]
FINANCIAL ASSETS:
Cash and cash equivalents
Level 3 [Member] | Interest-Bearing Deposits in Other Banks [Member]
FINANCIAL ASSETS:
Cash and cash equivalents