Loans and the Allowance for Loan Losses, Impaired Loans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	$ 16,205	$ 16,341
Without Valuation Allowance	7,949	7,644
With Valuation Allowance	6,506	6,784
Associated Allowance	501	702
Average Recorded Investment	14,709	17,732
Interest Income Recognized	174	656
Total Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	14,692	16,327
Without Valuation Allowance	6,567	7,630
With Valuation Allowance	6,374	6,784
Associated Allowance	498	702
Average Recorded Investment	13,059	17,669
Interest Income Recognized	151	655
Residential 1-4 Family [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	2,224	2,898
Without Valuation Allowance	1,831	2,083
With Valuation Allowance	360	646
Associated Allowance	89	91
Average Recorded Investment	2,203	4,099
Interest Income Recognized	26	126
Commercial [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	11,269	11,766
Without Valuation Allowance	4,291	4,729
With Valuation Allowance	5,291	5,322
Associated Allowance	137	163
Average Recorded Investment	9,653	10,669
Interest Income Recognized	121	449
Construction [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	596	1,157
Without Valuation Allowance	66	623
With Valuation Allowance	528	534
Associated Allowance	265	270
Average Recorded Investment	598	2,431
Interest Income Recognized	1	55
Second Mortgages [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	603	506
Without Valuation Allowance	379	195
With Valuation Allowance	195	282
Associated Allowance	7	178
Average Recorded Investment	605	470
Interest Income Recognized	3	25
Equity Line of Credit [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	0	0
Without Valuation Allowance	0	0
With Valuation Allowance	0	0
Associated Allowance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Commercial Loans [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	1,500	0
Without Valuation Allowance	1,369	0
With Valuation Allowance	132	0
Associated Allowance	3	0
Average Recorded Investment	1,637	37
Interest Income Recognized	23	0
Consumer Loans [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	13	14
Without Valuation Allowance	13	14
With Valuation Allowance	0	0
Associated Allowance	0	0
Average Recorded Investment	13	26
Interest Income Recognized	0	1
Other [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	0	0
Without Valuation Allowance	0	0
With Valuation Allowance	0	0
Associated Allowance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	$ 0	$ 0

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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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+ References

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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 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953550-111524

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