LOANS AND RELATED ALLOWANCE FOR LOAN LOSSES CREDIT QUALITY INDICATOR (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable by credit exposure [Abstract]
Total	$ 193,935,000	196,664,000
Minimum [Member]
Financing Receivable, Recorded Investment [Line Items]
Percentage of dollar volume of commercial loan portfolio to be reviewed, minimum (in hundredths)	55.00%	60.00%
Amount over which all new loans to be reviewed, minimum	1,000,000
Amount over which all relationships to be reviewed, minimum	1,000,000
Amount which is 90 days past due to be reviewed for all aggregate loan relationships, minimum	750,000
Mortgages [Member]
Financing Receivable by credit exposure [Abstract]
Total	122,858,000	119,884,000
Home Equity [Member]
Financing Receivable by credit exposure [Abstract]
Total	62,580,000	67,217,000
Commercial [Member]
Financing Receivable by credit exposure [Abstract]
Total	190,945,000	193,087,000
Agricultural [Member]
Financing Receivable by credit exposure [Abstract]
Total	24,639,000	22,001,000
Construction [Member]
Financing Receivable by credit exposure [Abstract]
Total	6,353,000	8,937,000
Consumer [Member]
Financing Receivable by credit exposure [Abstract]
Total	8,497,000	9,563,000
Other Commercial Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	47,451,000	44,488,000
Other Agricultural Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	11,065,000	9,541,000
State and Political Subdivision Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	79,717,000	65,894,000
Pass [Member]
Financing Receivable by credit exposure [Abstract]
Total	324,932,000	305,939,000
Pass [Member] | Commercial [Member]
Financing Receivable by credit exposure [Abstract]
Total	169,383,000	166,956,000
Pass [Member] | Agricultural [Member]
Financing Receivable by credit exposure [Abstract]
Total	19,575,000	15,923,000
Pass [Member] | Construction [Member]
Financing Receivable by credit exposure [Abstract]
Total	6,353,000	8,937,000
Pass [Member] | Other Commercial Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	40,683,000	40,798,000
Pass [Member] | Other Agricultural Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	9,221,000	7,431,000
Pass [Member] | State and Political Subdivision Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	79,717,000	65,894,000
Special Mention [Member]
Financing Receivable by credit exposure [Abstract]
Total	17,482,000	8,455,000
Special Mention [Member] | Commercial [Member]
Financing Receivable by credit exposure [Abstract]
Total	8,948,000	4,645,000
Special Mention [Member] | Agricultural [Member]
Financing Receivable by credit exposure [Abstract]
Total	3,394,000	1,910,000
Special Mention [Member] | Construction [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Special Mention [Member] | Other Commercial Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	4,413,000	1,747,000
Special Mention [Member] | Other Agricultural Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	727,000	153,000
Special Mention [Member] | State and Political Subdivision Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Substandard [Member]
Financing Receivable by credit exposure [Abstract]
Total	17,756,000	29,347,000
Substandard [Member] | Commercial [Member]
Financing Receivable by credit exposure [Abstract]
Total	12,614,000	21,284,000
Substandard [Member] | Agricultural [Member]
Financing Receivable by credit exposure [Abstract]
Total	1,670,000	4,168,000
Substandard [Member] | Construction [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Substandard [Member] | Other Commercial Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	2,355,000	1,938,000
Substandard [Member] | Other Agricultural Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	1,117,000	1,957,000
Substandard [Member] | State and Political Subdivision Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Doubtful [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	207,000
Doubtful [Member] | Commercial [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	202,000
Doubtful [Member] | Agricultural [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Doubtful [Member] | Construction [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Doubtful [Member] | Other Commercial Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	5,000
Doubtful [Member] | Other Agricultural Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Doubtful [Member] | State and Political Subdivision Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Loss [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Loss [Member] | Commercial [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Loss [Member] | Agricultural [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Loss [Member] | Construction [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Loss [Member] | Other Commercial Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Loss [Member] | Other Agricultural Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Loss [Member] | State and Political Subdivision Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total	0	0
Internally Assigned Grade [Member]
Financing Receivable by credit exposure [Abstract]
Total	360,170,000	343,948,000
Performing [Member]
Financing Receivable by credit exposure [Abstract]
Total	192,708,000	195,611,000
Performing [Member] | Mortgages [Member]
Financing Receivable by credit exposure [Abstract]
Total	121,968,000	119,075,000
Performing [Member] | Home Equity [Member]
Financing Receivable by credit exposure [Abstract]
Total	62,296,000	66,989,000
Performing [Member] | Consumer [Member]
Financing Receivable by credit exposure [Abstract]
Total	8,444,000	9,547,000
Nonperforming [Member]
Financing Receivable by credit exposure [Abstract]
Total	1,227,000	1,053,000
Nonperforming [Member] | Mortgages [Member]
Financing Receivable by credit exposure [Abstract]
Total	890,000	809,000
Nonperforming [Member] | Home Equity [Member]
Financing Receivable by credit exposure [Abstract]
Total	284,000	228,000
Nonperforming [Member] | Consumer [Member]
Financing Receivable by credit exposure [Abstract]
Total	$ 53,000	16,000