FAIR VALUE MEASUREMENTS (Details 4) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
FINANCIAL ASSETS: (Carrying Amount)
Cash and due from banks	$ 8,338	$ 7,474
Interest-bearing deposits in other banks	790	1,534
Time deposits with other banks	1,482	1,482
Investment securities available-for-sale	379,637	385,241
Investment securities held-to-maturity	4	26
Restricted investment in bank stocks	5,477	5,742
Net loans	515,025	509,871
Mortgage servicing rights	431	493
Accrued interest receivable	3,917	4,086
FINANCIAL LIABILITIES: (Carrying Amount)
Deposits	725,982	720,598
Short-term borrowings	69,290	80,539
Long-term borrowings	75,116	70,232
Accrued interest payable	427	382
OFF-BALANCE SHEET FINANCIAL INSTRUMENTS (Carrying Amount)	0	0
FINANCIAL ASSETS: (Fair Value)
Cash and due from banks	8,338	7,474
Interest-bearing deposits in other banks	790	1,534
Time deposits with other banks	1,482	1,482
Investment securities available-for-sale	379,637	385,241
Investment securities held-to-maturity	4	27
Restricted investment in bank stocks	5,477	5,742
Net loans	504,206	498,671
Mortgage servicing rights	431	493
Accrued interest receivable	3,917	4,086
FINANCIAL LIABILITIES: (Fair Value)
Deposits	725,473	720,341
Short-term borrowings	69,290	80,539
Long-term borrowings	75,718	71,302
Accrued interest payable	427	382
OFF-BALANCE SHEET FINANCIAL INSTRUMENTS (Fair Value)	0	0
Fair Value, Inputs, Level 1 [Member]
FINANCIAL ASSETS: (Fair Value)
Cash and due from banks	8,338	7,474
Interest-bearing deposits in other banks	0	0
Time deposits with other banks	0	0
Investment securities available-for-sale	1,640	2,007
Investment securities held-to-maturity	0	0
Restricted investment in bank stocks	0	0
Net loans	0	0
Mortgage servicing rights	0	0
Accrued interest receivable	0	0
FINANCIAL LIABILITIES: (Fair Value)
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Accrued interest payable	0	0
OFF-BALANCE SHEET FINANCIAL INSTRUMENTS (Fair Value)	0	0
Fair Value, Inputs, Level 2 [Member]
FINANCIAL ASSETS: (Fair Value)
Cash and due from banks	0	0
Interest-bearing deposits in other banks	790	1,534
Time deposits with other banks	1,482	1,482
Investment securities available-for-sale	377,997	383,234
Investment securities held-to-maturity	4	27
Restricted investment in bank stocks	5,477	5,742
Net loans	0	0
Mortgage servicing rights	0	0
Accrued interest receivable	3,917	4,086
FINANCIAL LIABILITIES: (Fair Value)
Deposits	725,473	720,341
Short-term borrowings	69,290	80,539
Long-term borrowings	75,718	71,302
Accrued interest payable	427	382
OFF-BALANCE SHEET FINANCIAL INSTRUMENTS (Fair Value)	0	0
Fair Value, Inputs, Level 3 [Member]
FINANCIAL ASSETS: (Fair Value)
Cash and due from banks	0	0
Interest-bearing deposits in other banks	0	0
Time deposits with other banks	0	0
Investment securities available-for-sale	0	0
Investment securities held-to-maturity	0	0
Restricted investment in bank stocks	0	0
Net loans	504,206	498,671
Mortgage servicing rights	431	493
Accrued interest receivable	0	0
FINANCIAL LIABILITIES: (Fair Value)
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Accrued interest payable	0	0
OFF-BALANCE SHEET FINANCIAL INSTRUMENTS (Fair Value)	$ 0	$ 0