LOANS, Non-accrual and Past Due Loans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	$ 9,282		$ 9,282		$ 8,710
Age analysis of past due loans [Abstract]
30-59 Days Past Due	1,766		1,766		2,136
60-89 Days Past Due	543		543		3,544
90 Days or more Past Due	7,901		7,901		2,249
Total Past Due	10,210		10,210		7,929
Current	436,842		436,842		435,070
Total	447,052		447,052		442,999
Impaired loans [Abstract]
Unpaid Contractual Principal Balance	18,608		18,608		20,865
Recorded Investment with no Allowance	9,740		9,740		11,820
Recorded Investment with Allowance	6,885		6,885		6,406
Total Recorded Investment	16,625		16,625		18,226
Related Allowance	2,026		2,026		1,648
Interest income on impaired loans recognized using a cash-basis method of accounting [Abstract]
Average Recorded Investment	16,238	22,948	17,301	22,021
Interest Income Recognized	96	332	203	477
Commercial [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	3,042		3,042		2,905
Number of loans impaired by classification	11		11		12
Age analysis of past due loans [Abstract]
30-59 Days Past Due	187		187		1,051
60-89 Days Past Due	0		0		166
90 Days or more Past Due	2,809		2,809		113
Total Past Due	2,996		2,996		1,330
Current	92,110		92,110		90,584
Total	95,106		95,106		91,914
Impaired loans [Abstract]
Unpaid Contractual Principal Balance	4,094		4,094		4,694
Recorded Investment with no Allowance	2,982		2,982		2,919
Recorded Investment with Allowance	840		840		569
Total Recorded Investment	3,822		3,822		3,488
Related Allowance	151		151		101
Interest income on impaired loans recognized using a cash-basis method of accounting [Abstract]
Average Recorded Investment	3,831	3,248	3,657	3,163
Interest Income Recognized	10	23	21	40
Commercial Real Estate [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	4,057		4,057		3,071
Number of loans impaired by classification	8		8		6
Age analysis of past due loans [Abstract]
30-59 Days Past Due	192		192		0
60-89 Days Past Due	0		0		2,746
90 Days or more Past Due	3,865		3,865		446
Total Past Due	4,057		4,057		3,192
Current	182,123		182,123		172,601
Total	186,180		186,180		175,793
Impaired loans [Abstract]
Unpaid Contractual Principal Balance	5,991		5,991		4,856
Recorded Investment with no Allowance	4,057		4,057		3,071
Recorded Investment with Allowance	1,181		1,181		1,198
Total Recorded Investment	5,238		5,238		4,269
Related Allowance	16		16		22
Interest income on impaired loans recognized using a cash-basis method of accounting [Abstract]
Average Recorded Investment	4,954	9,587	5,434	8,754
Interest Income Recognized	23	244	45	300
Agriculture [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	899		899		992
Number of loans impaired by classification	1		1		1
Age analysis of past due loans [Abstract]
30-59 Days Past Due	9		9		0
60-89 Days Past Due	0		0		0
90 Days or more Past Due	899		899		991
Total Past Due	908		908		991
Current	44,724		44,724		51,073
Total	45,632		45,632		52,064
Impaired loans [Abstract]
Unpaid Contractual Principal Balance	1,721		1,721		3,847
Recorded Investment with no Allowance	1,379		1,379		3,598
Recorded Investment with Allowance	0		0		0
Total Recorded Investment	1,379		1,379		3,598
Related Allowance	0		0		0
Interest income on impaired loans recognized using a cash-basis method of accounting [Abstract]
Average Recorded Investment	1,475	1,988	1,706	2,037
Interest Income Recognized	9	0	35	5
Residential Mortgage [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	1,006		1,006		1,334
Number of loans impaired by classification	4		4		4
Age analysis of past due loans [Abstract]
30-59 Days Past Due	1,237		1,237		792
60-89 Days Past Due	543		543		420
90 Days or more Past Due	129		129		426
Total Past Due	1,909		1,909		1,638
Current	49,003		49,003		49,948
Total	50,912		50,912		51,586
Impaired loans [Abstract]
Unpaid Contractual Principal Balance	4,227		4,227		5,336
Recorded Investment with no Allowance	1,006		1,006		1,875
Recorded Investment with Allowance	2,981		2,981		3,194
Total Recorded Investment	3,987		3,987		5,069
Related Allowance	1,148		1,148		731
Interest income on impaired loans recognized using a cash-basis method of accounting [Abstract]
Average Recorded Investment	3,761	6,072	4,438	6,059
Interest Income Recognized	31	40	60	88
Residential Construction [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	42		42		48
Number of loans impaired by classification	1		1		1
Age analysis of past due loans [Abstract]
30-59 Days Past Due	41		41		273
60-89 Days Past Due	0		0		0
90 Days or more Past Due	42		42		48
Total Past Due	83		83		321
Current	7,648		7,648		7,171
Total	7,731		7,731		7,492
Impaired loans [Abstract]
Unpaid Contractual Principal Balance	1,288		1,288		1,147
Recorded Investment with no Allowance	42		42		48
Recorded Investment with Allowance	1,085		1,085		1,099
Total Recorded Investment	1,127		1,127		1,147
Related Allowance	573		573		668
Interest income on impaired loans recognized using a cash-basis method of accounting [Abstract]
Average Recorded Investment	1,210	1,692	1,251	1,669
Interest Income Recognized	14	24	26	40
Consumer [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	236		236		360
Number of loans impaired by classification	5		5		5
Age analysis of past due loans [Abstract]
30-59 Days Past Due	100		100		20
60-89 Days Past Due	0		0		212
90 Days or more Past Due	157		157		225
Total Past Due	257		257		457
Current	61,234		61,234		63,693
Total	61,491		61,491		64,150
Impaired loans [Abstract]
Unpaid Contractual Principal Balance	1,287		1,287		985
Recorded Investment with no Allowance	274		274		309
Recorded Investment with Allowance	798		798		346
Total Recorded Investment	1,072		1,072		655
Related Allowance	138		138		126
Interest income on impaired loans recognized using a cash-basis method of accounting [Abstract]
Average Recorded Investment	1,007	361	815	339
Interest Income Recognized	$ 9	$ 1	$ 16	$ 4