Loans and Allowance for Loan Losses Schedule of Loans by Impairment Method (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	$ 3,249	$ 2,872
Loans, collectively evaluated for impairment	1,214,891	1,181,779
Loans	1,218,140	1,184,651
Commercial loan [Member]
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	272	456
Loans, collectively evaluated for impairment	334,661	316,452
Loans	334,933	316,908
Construction, land and land development [Member]
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	351	1,201
Loans, collectively evaluated for impairment	148,435	153,289
Loans	148,786	154,490
1-4 family residential first mortgages [Member]
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	300	257
Loans, collectively evaluated for impairment	51,638	53,240
Loans	51,938	53,497
Home equity [Member]
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	220	229
Loans, collectively evaluated for impairment	20,871	24,271
Loans	21,091	24,500
Commercial real estate [Member]
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	2,102	729
Loans, collectively evaluated for impairment	650,385	625,209
Loans	652,487	625,938
Consumer and other loans [Member]
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	4	0
Loans, collectively evaluated for impairment	8,901	9,318
Loans	$ 8,905	$ 9,318

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (h)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

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The balance of financing receivables that were individually evaluated for impairment.

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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