6. LOANS - Summary of Impaired Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Recorded Investment	$ 14,928	$ 17,324
Unpaid Principal Balance	16,718	19,850
Related Allowance	719	983
Consumer Installment Loans | Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment		11
Unpaid Principal Balance		11
Related Allowance
Consumer Installment Loans | Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment	53	45
Unpaid Principal Balance	53	45
Related Allowance	20	2
Agriculture | Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment	19	36
Unpaid Principal Balance	19	36
Related Allowance
Agriculture | Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment	8	18
Unpaid Principal Balance	8	18
Related Allowance	8	18
Commercial Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment
Unpaid Principal Balance
Related Allowance
Commercial Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment	67	69
Unpaid Principal Balance	67	69
Related Allowance	19	24
Commercial Real Estate [Member] | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment	3,533	4,212
Unpaid Principal Balance	3,959	5,173
Related Allowance
Commercial Real Estate [Member] | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment	1,589	2,503
Unpaid Principal Balance	1,680	2,849
Related Allowance	172	288
Construction and Land Development | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment	7	10
Unpaid Principal Balance	3,959	10
Related Allowance
Construction and Land Development | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment	253	289
Unpaid Principal Balance	477	499
Related Allowance	119	155
Residential 1-4 Family | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment	3,590	3,037
Unpaid Principal Balance	3,888	3,150
Related Allowance
Residential 1-4 Family | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment	644	1,920
Unpaid Principal Balance	652	2,121
Related Allowance	119	168
Multifamily | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment	305	430
Unpaid Principal Balance	3,888	471
Related Allowance
Multifamily | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment
Unpaid Principal Balance
Related Allowance
Farmland | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment	4,358	3,983
Unpaid Principal Balance	5,050	4,620
Related Allowance
Farmland | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment	502	761
Unpaid Principal Balance	512	778
Related Allowance	$ 293	$ 328