6. LOANS - Summary of Impaired Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Average Recorded Investment	$ 20,564	$ 33,471
Interest Income Recognized	735	795
Recorded Investment	17,324	22,780
Unpaid Principal Balance	19,850	26,118
Related Allowance	983	2,331
Impaired Financing Receivables With Related Allowance [Member] | Commercial
Average Recorded Investment	80	407
Interest Income Recognized	3	4
Recorded Investment	69	74
Unpaid Principal Balance	69	74
Related Allowance	24	26
Impaired Financing Receivables With Related Allowance [Member] | Agriculture
Average Recorded Investment	24	39
Interest Income Recognized	2	2
Recorded Investment	18	30
Unpaid Principal Balance	18	30
Related Allowance	18	30
Impaired Financing Receivables With Related Allowance [Member] | Consumer Installment Loans
Average Recorded Investment	19	$ 10
Interest Income Recognized	4
Recorded Investment	45
Unpaid Principal Balance	45
Related Allowance	$ 2
Impaired Financing Receivables With Related Allowance [Member] | Other Loans
Average Recorded Investment
Interest Income Recognized
Recorded Investment
Unpaid Principal Balance
Related Allowance
Impaired Financing Receivables With No Related Allowance [Member] | Commercial
Average Recorded Investment	$ 267	$ 421
Interest Income Recognized
Recorded Investment		$ 548
Unpaid Principal Balance		$ 674
Related Allowance
Impaired Financing Receivables With No Related Allowance [Member] | Agriculture
Average Recorded Investment	$ 42	$ 62
Interest Income Recognized	4	4
Recorded Investment	36	52
Unpaid Principal Balance	$ 36	$ 52
Related Allowance
Impaired Financing Receivables With No Related Allowance [Member] | Consumer Installment Loans
Average Recorded Investment	$ 31	$ 12
Interest Income Recognized	1	1
Recorded Investment	11	15
Unpaid Principal Balance	$ 11	$ 15
Related Allowance
Impaired Financing Receivables With No Related Allowance [Member] | Other Loans
Average Recorded Investment
Interest Income Recognized
Recorded Investment
Unpaid Principal Balance
Related Allowance
Commercial | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	$ 2,935	$ 6,338
Interest Income Recognized	37	132
Recorded Investment	2,503	4,517
Unpaid Principal Balance	2,849	4,905
Related Allowance	288	1,482
Commercial | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	4,534	9,628
Interest Income Recognized	163	128
Recorded Investment	4,212	3,986
Unpaid Principal Balance	$ 5,173	$ 5,166
Related Allowance
Construction and Land Development | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	$ 373	$ 505
Interest Income Recognized		14
Recorded Investment	$ 289	303
Unpaid Principal Balance	499	355
Related Allowance	155	88
Construction and Land Development | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	12	248
Interest Income Recognized	1	1
Recorded Investment	10	15
Unpaid Principal Balance	$ 10	$ 15
Related Allowance
Residential 1-4 Family | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	$ 2,219	$ 4,248
Interest Income Recognized	99	126
Recorded Investment	1,920	2,573
Unpaid Principal Balance	2,121	2,852
Related Allowance	168	347
Residential 1-4 Family | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	3,506	2,959
Interest Income Recognized	161	177
Recorded Investment	3,037	3,245
Unpaid Principal Balance	$ 3,150	$ 3,471
Related Allowance
Multifamily | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	$ 23	$ 268
Interest Income Recognized		7
Recorded Investment		113
Unpaid Principal Balance		113
Related Allowance		15
Multifamily | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	$ 520	370
Interest Income Recognized	9	26
Recorded Investment	430	438
Unpaid Principal Balance	$ 471	$ 479
Related Allowance
Farmland | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	$ 906	$ 2,573
Interest Income Recognized	38	59
Recorded Investment	761	1,104
Unpaid Principal Balance	778	1,116
Related Allowance	328	343
Farmland | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	5,073	5,383
Interest Income Recognized	213	114
Recorded Investment	3,983	5,767
Unpaid Principal Balance	$ 4,620	$ 6,801
Related Allowance