Credit Quality and Nonperforming Assets (Credit Quality Classifications) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	$ 1,065,844	$ 970,653
Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	17,444	18,885
Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	706,203	704,230
Real Estate Loans [Member] | Other construction/Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	22,791	19,908
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	994,774	897,004
Pass [Member] | Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	14,750	15,752
Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	642,959	639,547
Pass [Member] | Real Estate Loans [Member] | Other construction/Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	18,523	15,238
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	28,355	28,970
Special Mention [Member] | Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	168	222
Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	27,253	26,688
Special Mention [Member] | Real Estate Loans [Member] | Other construction/Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	154	247
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	8,347	8,255
Substandard [Member] | Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	17	23
Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	7,609	7,375
Substandard [Member] | Real Estate Loans [Member] | Other construction/Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable
Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	34,368	36,424
Impaired [Member] | Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	2,509	2,888
Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	28,382	30,620
Impaired [Member] | Real Estate Loans [Member] | Other construction/Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	4,114	4,423
Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	28,501	27,746
Agricultural [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	27,971	27,215
Agricultural [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	43	531
Agricultural [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable
Agricultural [Member] | Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	487
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	109,463	113,771
Commercial and Industrial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	104,861	108,469
Commercial and Industrial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	891	1,529
Commercial and Industrial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	721	857
Commercial and Industrial [Member] | Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	2,990	2,916
1-4 Family residential construction [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	5,751	5,858
1-4 Family residential construction [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	5,751	5,858
1-4 Family residential construction [Member] | Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable
1-4 Family residential construction [Member] | Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable
1-4 Family residential construction [Member] | Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable
1-4 Family - closed end [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	136,108	114,259
1-4 Family - closed end [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	129,244	105,398
1-4 Family - closed end [Member] | Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	968	833
1-4 Family - closed end [Member] | Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	646	918
1-4 Family - closed end [Member] | Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	5,250	7,110
Equity Lines [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	47,231	49,717
Equity Lines [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	44,022	46,819
Equity Lines [Member] | Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	406	294
Equity Lines [Member] | Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	1,350	1,237
Equity Lines [Member] | Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	1,453	1,367
Multi-family residential [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	18,616	18,718
Multi-family residential [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	17,392	18,127
Multi-family residential [Member] | Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	1,044	420
Multi-family residential [Member] | Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable
Multi-family residential [Member] | Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	180	171
Commercial real estate - owner occupied [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	215,096	218,654
Commercial real estate - owner occupied [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	188,743	191,495
Commercial real estate - owner occupied [Member] | Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	18,387	18,694
Commercial real estate - owner occupied [Member] | Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	4,245	3,845
Commercial real estate - owner occupied [Member] | Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	3,721	4,620
Commercial real estate - non-owner occupied [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	131,665	132,077
Commercial real estate - non-owner occupied [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	113,107	114,317
Commercial real estate - non-owner occupied [Member] | Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	5,198	4,250
Commercial real estate - non-owner occupied [Member] | Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	629	631
Commercial real estate - non-owner occupied [Member] | Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	12,731	12,879
Farmland [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	128,945	145,039
Farmland [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	126,177	142,295
Farmland [Member] | Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	1,096	1,950
Farmland [Member] | Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	739	744
Farmland [Member] | Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	933	50
Mortgage warehouse lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	204,233	106,021
Mortgage warehouse lines [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	204,233	106,021
Mortgage warehouse lines [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable
Mortgage warehouse lines [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable
Mortgage warehouse lines [Member] | Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable