6. LOANS - Summary of Impaired Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Average Recorded Investment	$ 16,631	$ 20,564
Interest Income Recognized	320	735
Recorded Investment	15,839	17,324
Unpaid Principal Balance	17,605	19,850
Related Allowance	895	983
Agriculture | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	33	42
Interest Income Recognized	2	4
Recorded Investment	26	36
Unpaid Principal Balance	26	36
Related Allowance
Agriculture | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	139	24
Interest Income Recognized	(2)	2
Recorded Investment	185	18
Unpaid Principal Balance	185	18
Related Allowance	185	18
Consumer Installment Loans | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	32	31
Interest Income Recognized	2	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	22	19
Interest Income Recognized		4
Recorded Investment	10	45
Unpaid Principal Balance	10	45
Related Allowance	3	2
Commercial Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment		267
Interest Income Recognized
Recorded Investment
Unpaid Principal Balance
Related Allowance
Commercial Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	72	80
Interest Income Recognized	2	3
Recorded Investment	68	69
Unpaid Principal Balance	68	69
Related Allowance	23	24
Commercial Real Estate [Member] | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	4,451	4,534
Interest Income Recognized	73	163
Recorded Investment	4,396	4,212
Unpaid Principal Balance	4,818	5,173
Related Allowance
Commercial Real Estate [Member] | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	1,522	2,935
Interest Income Recognized		37
Recorded Investment	1,029	2,503
Unpaid Principal Balance	1,102	2,849
Related Allowance	158	288
Construction and Land Development | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	116	12
Interest Income Recognized		1
Recorded Investment	7	10
Unpaid Principal Balance	7	10
Related Allowance
Construction and Land Development | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	277	373
Interest Income Recognized
Recorded Investment	265	289
Unpaid Principal Balance	485	499
Related Allowance	131	155
Residential 1-4 Family | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	3,758	3,506
Interest Income Recognized	103	161
Recorded Investment	4,075	3,037
Unpaid Principal Balance	4,391	3,150
Related Allowance
Residential 1-4 Family | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	1,037	2,219
Interest Income Recognized	11	99
Recorded Investment	568	1,920
Unpaid Principal Balance	574	2,121
Related Allowance	69	168
Multifamily | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	282	520
Interest Income Recognized	11	9
Recorded Investment	308	430
Unpaid Principal Balance	349	471
Related Allowance
Multifamily | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	133	23
Interest Income Recognized	4
Recorded Investment	165
Unpaid Principal Balance	165
Related Allowance	30
Farmland | Real Estate [Member] | Impaired Financing Receivables With No Related Allowance [Member]
Average Recorded Investment	4,162	5,073
Interest Income Recognized	102	213
Recorded Investment	4,189	3,983
Unpaid Principal Balance	4,869	4,620
Related Allowance
Farmland | Real Estate [Member] | Impaired Financing Receivables With Related Allowance [Member]
Average Recorded Investment	595	906
Interest Income Recognized	12	38
Recorded Investment	505	761
Unpaid Principal Balance	513	778
Related Allowance	$ 296	$ 328