Allowance for Credit Losses, Impaired Loans (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
With no related allowance recorded [Abstract]
Recorded Investment	$ 4,530	$ 0
Unpaid Principal Balance	4,664	0
Average Recorded Investment	4,113	1,853
Interest Income Recognized	114	58
With an allowance recorded [Abstract]
Recorded Investment	2,585	7,229
Unpaid Principal Balance	2,822	7,518
Related Allowance	1,073	1,444
Average Recorded Investment	3,416	5,163
Interest Income Recognized	83	107
Recorded Investment, Total	7,115	7,229
Unpaid Principal Balance, Total	7,486	7,518
Related Allowance	1,073	1,444
Average Recorded Investment, Total	7,529	7,016
Interest Income Recognized, Total	197	165
Commercial Real Estate [Member]
With no related allowance recorded [Abstract]
Recorded Investment	102	0
Unpaid Principal Balance	104	0
Average Recorded Investment	479	49
Interest Income Recognized	7	4
With an allowance recorded [Abstract]
Recorded Investment	0	92
Unpaid Principal Balance	0	92
Related Allowance	0	2
Average Recorded Investment	0	47
Interest Income Recognized	0	4
Related Allowance	0	2
Agricultural Real Estate [Member]
With no related allowance recorded [Abstract]
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
With an allowance recorded [Abstract]
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Related Allowance	0	0
Real Estate Construction [Member]
With no related allowance recorded [Abstract]
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
With an allowance recorded [Abstract]
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Related Allowance	0	0
Residential 1st Mortgages [Member]
With no related allowance recorded [Abstract]
Recorded Investment	551	0
Unpaid Principal Balance	618	0
Average Recorded Investment	560	0
Interest Income Recognized	16	0
With an allowance recorded [Abstract]
Recorded Investment	348	937
Unpaid Principal Balance	420	1,069
Related Allowance	17	187
Average Recorded Investment	354	612
Interest Income Recognized	16	9
Related Allowance	17	187
Home Equity Lines and Loans [Member]
With no related allowance recorded [Abstract]
Recorded Investment	581	0
Unpaid Principal Balance	646	0
Average Recorded Investment	620	169
Interest Income Recognized	3	0
With an allowance recorded [Abstract]
Recorded Investment	134	951
Unpaid Principal Balance	151	1,020
Related Allowance	7	190
Average Recorded Investment	136	803
Interest Income Recognized	5	10
Related Allowance	7	190
Agricultural [Member]
With no related allowance recorded [Abstract]
Recorded Investment	193	0
Unpaid Principal Balance	193	0
Average Recorded Investment	105	15
Interest Income Recognized	3	0
With an allowance recorded [Abstract]
Recorded Investment	412	461
Unpaid Principal Balance	413	473
Related Allowance	115	114
Average Recorded Investment	431	473
Interest Income Recognized	28	28
Related Allowance	115	114
Commercial [Member]
With no related allowance recorded [Abstract]
Recorded Investment	3,103	0
Unpaid Principal Balance	3,103	0
Average Recorded Investment	2,349	1,620
Interest Income Recognized	85	54
With an allowance recorded [Abstract]
Recorded Investment	1,657	4,742
Unpaid Principal Balance	1,798	4,813
Related Allowance	905	910
Average Recorded Investment	2,456	3,182
Interest Income Recognized	31	54
Related Allowance	905	910
Consumer & Other [Member]
With no related allowance recorded [Abstract]
Recorded Investment	0
Unpaid Principal Balance	0
Average Recorded Investment	0
Interest Income Recognized	0
With an allowance recorded [Abstract]
Recorded Investment	34	46
Unpaid Principal Balance	40	51
Related Allowance	29	41
Average Recorded Investment	39	46
Interest Income Recognized	3	2
Related Allowance	$ 29	$ 41

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- Definition

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

+ 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 (c)(1)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5258-111524

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- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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

+ References

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=49124121&loc=SL6953550-111524

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Amount of allowance for credit losses related to recorded investment.

+ References

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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

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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 17
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5258-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

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Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.

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