Credit Quality and Nonperforming Assets (Credit Quality Classifications) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	$ 1,073,337	$ 970,653
Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	16,624	18,885
Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	733,941	704,230
Real Estate Loans [Member] | Other construction/Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	31,500	19,908
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	1,000,450	897,004
Pass [Member] | Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	14,084	15,752
Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	667,983	639,547
Pass [Member] | Real Estate Loans [Member] | Other construction/Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	27,770	15,238
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	27,595	28,970
Special Mention [Member] | Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	216	222
Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	26,471	26,688
Special Mention [Member] | Real Estate Loans [Member] | Other construction/Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	122	247
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	13,004	8,255
Substandard [Member] | Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	13	23
Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	$ 12,365	$ 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	$ 32,288	$ 36,424
Impaired [Member] | Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	2,311	2,888
Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	27,122	30,620
Impaired [Member] | Real Estate Loans [Member] | Other construction/Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	3,608	4,423
Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	31,292	27,746
Agricultural [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	31,248	27,215
Agricultural [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	$ 44	$ 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
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	$ 111,038	$ 113,771
Commercial and Industrial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	106,693	108,469
Commercial and Industrial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	864	1,529
Commercial and Industrial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	626	857
Commercial and Industrial [Member] | Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	2,855	2,916
1-4 Family residential construction [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	6,854	5,858
1-4 Family residential construction [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	$ 6,854	$ 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	$ 130,862	$ 114,259
1-4 Family - closed end [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	124,584	105,398
1-4 Family - closed end [Member] | Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	544	833
1-4 Family - closed end [Member] | Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	553	918
1-4 Family - closed end [Member] | Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	5,181	7,110
Equity Lines [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	47,709	49,717
Equity Lines [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	43,908	46,819
Equity Lines [Member] | Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	257	294
Equity Lines [Member] | Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	1,814	1,237
Equity Lines [Member] | Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	1,730	1,367
Multi-family residential [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	23,906	18,718
Multi-family residential [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	$ 22,863	18,127
Multi-family residential [Member] | Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable		$ 420
Multi-family residential [Member] | Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	$ 626
Multi-family residential [Member] | Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	417	$ 171
Commercial real estate - owner occupied [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	213,966	218,654
Commercial real estate - owner occupied [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	187,810	191,495
Commercial real estate - owner occupied [Member] | Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	14,221	18,694
Commercial real estate - owner occupied [Member] | Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	8,467	3,845
Commercial real estate - owner occupied [Member] | Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	3,468	4,620
Commercial real estate - non-owner occupied [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	147,578	132,077
Commercial real estate - non-owner occupied [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	129,575	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	5,160	4,250
Commercial real estate - non-owner occupied [Member] | Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	174	631
Commercial real estate - non-owner occupied [Member] | Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	12,669	12,879
Farmland [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	131,566	145,039
Farmland [Member] | Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	124,619	142,295
Farmland [Member] | Special Mention [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	6,167	1,950
Farmland [Member] | Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	731	744
Farmland [Member] | Impaired [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	49	50
Mortgage warehouse lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	180,442	106,021
Mortgage warehouse lines [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Financing Receivable	$ 180,442	$ 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