6. LOANS - Summary of Impaired Loans (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Recorded Investment	$ 13,513,000	$ 14,401,000
Unpaid Principal Balance	15,309,000	16,234,000
Related Allowance	638,000	552,000
Agriculture \| Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment	9,000	19,000
Unpaid Principal Balance	9,000	19,000
Agriculture \| Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment	1,000	5,000
Unpaid Principal Balance	1,000	5,000
Related Allowance	1,000	5,000
Consumer Installment Loans \| Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment		26,000
Unpaid Principal Balance		43,000
Consumer Installment Loans \| Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment		9,000
Unpaid Principal Balance		9,000
Related Allowance		3,000
Commercial Real Estate [Member] \| Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment	19,000
Unpaid Principal Balance	19,000
Commercial Real Estate [Member] \| Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment	66,000	67,000
Unpaid Principal Balance	66,000	67,000
Related Allowance	17,000	18,000
Commercial Real Estate [Member] \| Real Estate [Member] \| Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment	2,755,000	3,636,000
Unpaid Principal Balance	3,128,000	4,055,000
Commercial Real Estate [Member] \| Real Estate [Member] \| Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment	611,000	1,191,000
Unpaid Principal Balance	697,000	1,270,000
Related Allowance	125,000	65,000
Construction and Land Development \| Real Estate [Member] \| Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment	4,000	5,000
Unpaid Principal Balance	4,000	5,000
Construction and Land Development \| Real Estate [Member] \| Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment	229,000	240,000
Unpaid Principal Balance	463,000	469,000
Related Allowance	95,000	106,000
Residential 1-4 Family \| Real Estate [Member] \| Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment	846,000	3,861,000
Unpaid Principal Balance	872,000	4,182,000
Related Allowance	103,000
Residential 1-4 Family \| Real Estate [Member] \| Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment	3,781,000	555,000
Unpaid Principal Balance	4,084,000	565,000
Related Allowance		56,000
Multifamily \| Real Estate [Member] \| Impaired Financing Receivables With No Related Allowance [Member]
Recorded Investment	731,000	301,000
Unpaid Principal Balance	772,000	342,000
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	3,872,000	3,895,000
Unpaid Principal Balance	4,592,000	4,601,000
Farmland \| Real Estate [Member] \| Impaired Financing Receivables With Related Allowance [Member]
Recorded Investment	589,000	591,000
Unpaid Principal Balance	602,000	602,000
Related Allowance	$ 297,000	$ 299,000

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

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