Allowance for Credit Losses, Impaired Loans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
With no related allowance recorded [Abstract]
Recorded Investment	$ 0	$ 3,611
Unpaid Principal Balance	0	3,676
Average Recorded Investment	1,853	5,253
Interest Income Recognized	58	37
With an allowance recorded [Abstract]
Recorded Investment	7,229	3,637
Unpaid Principal Balance	7,518	3,845
Related Allowance	1,444	1,284
Average Recorded Investment	5,163	3,611
Interest Income Recognized	107	49
Recorded Investment, Total	7,229	7,248
Unpaid Principal Balance, Total	7,518	7,521
Related Allowance	1,444	1,284
Average Recorded Investment, Total	7,016	8,864
Interest Income Recognized, Total	165	86
Commercial Real Estate [Member]
With no related allowance recorded [Abstract]
Recorded Investment	0	102
Unpaid Principal Balance	0	101
Average Recorded Investment	49	865
Interest Income Recognized	4	8
With an allowance recorded [Abstract]
Recorded Investment	92	0
Unpaid Principal Balance	92	0
Related Allowance	2	0
Average Recorded Investment	47	2
Interest Income Recognized	4	0
Related Allowance	2	0
Agricultural Real Estate [Member]
With no related allowance recorded [Abstract]
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Average Recorded Investment	0	2,185
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	823
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	0	0
Unpaid Principal Balance	0	0
Average Recorded Investment	0	450
Interest Income Recognized	0	11
With an allowance recorded [Abstract]
Recorded Investment	937	769
Unpaid Principal Balance	1,069	826
Related Allowance	187	154
Average Recorded Investment	612	254
Interest Income Recognized	9	6
Related Allowance	187	154
Home Equity Lines and Loans [Member]
With no related allowance recorded [Abstract]
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Average Recorded Investment	169	228
Interest Income Recognized	0	5
With an allowance recorded [Abstract]
Recorded Investment	951	689
Unpaid Principal Balance	1,020	821
Related Allowance	190	138
Average Recorded Investment	803	332
Interest Income Recognized	10	3
Related Allowance	190	138
Agricultural [Member]
With no related allowance recorded [Abstract]
Recorded Investment	0	35
Unpaid Principal Balance	0	43
Average Recorded Investment	15	586
Interest Income Recognized	0	0
With an allowance recorded [Abstract]
Recorded Investment	461	488
Unpaid Principal Balance	473	488
Related Allowance	114	122
Average Recorded Investment	473	1,002
Interest Income Recognized	28	31
Related Allowance	114	122
Commercial [Member]
With no related allowance recorded [Abstract]
Recorded Investment	0	3,474
Unpaid Principal Balance	0	3,532
Average Recorded Investment	1,620	939
Interest Income Recognized	54	13
With an allowance recorded [Abstract]
Recorded Investment	4,742	1,641
Unpaid Principal Balance	4,813	1,657
Related Allowance	910	820
Average Recorded Investment	3,182	1,072
Interest Income Recognized	54	6
Related Allowance	910	820
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	46	50
Unpaid Principal Balance	51	53
Related Allowance	41	50
Average Recorded Investment	46	126
Interest Income Recognized	2	3
Related Allowance	$ 41	$ 50

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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=35738203&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=35738203&loc=d3e5258-111524

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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=35738203&loc=SL6953550-111524

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Amount of allowance for credit losses related to recorded investment.

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