6. LOANS - Summary of Impaired Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Average Recorded Investment	$ 17,028	$ 20,564
Interest Income Recognized	152	735
Recorded Investment	16,725	17,324
Unpaid Principal Balance	19,077	19,850
Related Allowance	873	983
Commercial Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment		267
Commercial Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	74	80
Interest Income Recognized	1	3
Recorded Investment	78	69
Unpaid Principal Balance	78	69
Related Allowance	33	24
Agriculture | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	36	42
Interest Income Recognized	1	4
Recorded Investment	36	36
Unpaid Principal Balance	$ 36	36
Related Allowance
Agriculture | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	$ 117	24
Interest Income Recognized	(2)	2
Recorded Investment	215	18
Unpaid Principal Balance	215	18
Related Allowance	114	18
Consumer Installment Loans | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	27	31
Interest Income Recognized	1	1
Recorded Investment	43	11
Unpaid Principal Balance	$ 43	11
Related Allowance
Consumer Installment Loans | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	$ 28	19
Interest Income Recognized		4
Recorded Investment	$ 11	45
Unpaid Principal Balance	11	45
Related Allowance	3	2
Commercial Real Estate [Member] | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	4,479	4,534
Interest Income Recognized	35	163
Recorded Investment	4,745	4,212
Unpaid Principal Balance	$ 5,442	5,173
Related Allowance
Commercial Real Estate [Member] | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	$ 1,768	2,935
Interest Income Recognized		37
Recorded Investment	$ 1,033	2,503
Unpaid Principal Balance	1,104	2,849
Related Allowance	150	288
Construction and Land Development | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	171	12
Interest Income Recognized	(1)	1
Recorded Investment	331	10
Unpaid Principal Balance	$ 376	10
Related Allowance
Construction and Land Development | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	$ 283	373
Interest Income Recognized
Recorded Investment	$ 277	289
Unpaid Principal Balance	492	499
Related Allowance	143	155
Residential 1-4 Family | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	3,599	3,506
Interest Income Recognized	51	161
Recorded Investment	4,161	3,037
Unpaid Principal Balance	$ 4,475	3,150
Related Allowance
Residential 1-4 Family | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	$ 1,271	2,219
Interest Income Recognized	5	99
Recorded Investment	622	1,920
Unpaid Principal Balance	656	2,121
Related Allowance	79	168
Multifamily | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	269	520
Interest Income Recognized	2	9
Recorded Investment	108	430
Unpaid Principal Balance	$ 149	471
Related Allowance
Multifamily | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	$ 117	23
Interest Income Recognized	2
Recorded Investment	233
Unpaid Principal Balance	235
Related Allowance	41
Farmland | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	4,149	5,073
Interest Income Recognized	51	213
Recorded Investment	4,314	3,983
Unpaid Principal Balance	$ 5,240	4,620
Related Allowance
Farmland | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	$ 640	906
Interest Income Recognized	6	38
Recorded Investment	518	761
Unpaid Principal Balance	525	778
Related Allowance	$ 310	$ 328