Loans and Allowance for Loan Losses Schedule of Loans By Credit Quality Indicator (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Loans, Recorded Investment [Line Items]
Loans	$ 1,083,572	$ 992,333
Pass [Member]
Loans, Recorded Investment [Line Items]
Loans	1,050,811	944,047
Special Mention [Member]
Loans, Recorded Investment [Line Items]
Loans	25,850	32,812
Substandard [Member]
Loans, Recorded Investment [Line Items]
Loans	6,911	15,474
Doubtful [Member]
Loans, Recorded Investment [Line Items]
Loans	0	0
Commercial loan [Member]
Loans, Recorded Investment [Line Items]
Loans	290,778	258,010
Commercial loan [Member] | Pass [Member]
Loans, Recorded Investment [Line Items]
Loans	282,488	244,766
Commercial loan [Member] | Special Mention [Member]
Loans, Recorded Investment [Line Items]
Loans	7,046	10,933
Commercial loan [Member] | Substandard [Member]
Loans, Recorded Investment [Line Items]
Loans	1,244	2,311
Commercial loan [Member] | Doubtful [Member]
Loans, Recorded Investment [Line Items]
Loans	0	0
Construction, land, and land development [Member]
Loans, Recorded Investment [Line Items]
Loans	141,686	117,394
Construction, land, and land development [Member] | Pass [Member]
Loans, Recorded Investment [Line Items]
Loans	131,397	100,236
Construction, land, and land development [Member] | Special Mention [Member]
Loans, Recorded Investment [Line Items]
Loans	8,871	12,661
Construction, land, and land development [Member] | Substandard [Member]
Loans, Recorded Investment [Line Items]
Loans	1,418	4,497
Construction, land, and land development [Member] | Doubtful [Member]
Loans, Recorded Investment [Line Items]
Loans	0	0
1-4 family residential first mortgages [Member]
Loans, Recorded Investment [Line Items]
Loans	51,643	50,349
1-4 family residential first mortgages [Member] | Pass [Member]
Loans, Recorded Investment [Line Items]
Loans	50,705	48,766
1-4 family residential first mortgages [Member] | Special Mention [Member]
Loans, Recorded Investment [Line Items]
Loans	568	408
1-4 family residential first mortgages [Member] | Substandard [Member]
Loans, Recorded Investment [Line Items]
Loans	370	1,175
1-4 family residential first mortgages [Member] | Doubtful [Member]
Loans, Recorded Investment [Line Items]
Loans	0	0
Home equity [Member]
Loans, Recorded Investment [Line Items]
Loans	23,179	25,205
Home equity [Member] | Pass [Member]
Loans, Recorded Investment [Line Items]
Loans	22,699	23,608
Home equity [Member] | Special Mention [Member]
Loans, Recorded Investment [Line Items]
Loans	64	1,495
Home equity [Member] | Substandard [Member]
Loans, Recorded Investment [Line Items]
Loans	416	102
Home equity [Member] | Doubtful [Member]
Loans, Recorded Investment [Line Items]
Loans	0	0
Commercial real estate [Member]
Loans, Recorded Investment [Line Items]
Loans	565,773	532,139
Commercial real estate [Member] | Pass [Member]
Loans, Recorded Investment [Line Items]
Loans	553,009	517,441
Commercial real estate [Member] | Special Mention [Member]
Loans, Recorded Investment [Line Items]
Loans	9,301	7,309
Commercial real estate [Member] | Substandard [Member]
Loans, Recorded Investment [Line Items]
Loans	3,463	7,389
Commercial real estate [Member] | Doubtful [Member]
Loans, Recorded Investment [Line Items]
Loans	0	0
Consumer and other loans [Member]
Loans, Recorded Investment [Line Items]
Loans	10,513	9,236
Consumer and other loans [Member] | Pass [Member]
Loans, Recorded Investment [Line Items]
Loans	10,513	9,230
Consumer and other loans [Member] | Special Mention [Member]
Loans, Recorded Investment [Line Items]
Loans	0	6
Consumer and other loans [Member] | Substandard [Member]
Loans, Recorded Investment [Line Items]
Loans	0	0
Consumer and other loans [Member] | Doubtful [Member]
Loans, Recorded Investment [Line Items]
Loans	$ 0	$ 0