Credit Quality and Nonperforming Assets (Past Due and Nonaccrual Loans) (Details) - USD ($) $ in Thousands		Sep. 30, 2015		Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 10,530		$ 23,004
Current		1,043,606		947,649
Total Loans		1,054,136		970,653
Non-Accrual Loans	[1]	14,876		20,678
30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		2,345		6,662
60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		251		1,522
90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		7,934	[2]	14,820	[3]
Consumer loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		229		153
Current		15,868		18,732
Total Loans		16,097		18,885
Non-Accrual Loans	[1]	590		826
Consumer loans [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 228		136
Consumer loans [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due				$ 17
Consumer loans [Member] | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 1	[2]		[3]
Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		443		$ 618
Current		36,377		27,128
Total Loans		$ 36,820		$ 27,746
Non-Accrual Loans	[1]
Agricultural [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 373		$ 618
Agricultural [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 70
Agricultural [Member] | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due			[2]		[3]
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 461		$ 1,538
Current		106,482		112,233
Total Loans		106,943		113,771
Non-Accrual Loans	[1]	829		821
Commercial and Industrial [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		113		1,346
Commercial and Industrial [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		134		153
Commercial and Industrial [Member] | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 214	[2]	$ 39	[3]
Mortgage warehouse lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Current		$ 142,608		$ 106,021
Total Loans		$ 142,608		$ 106,021
Non-Accrual Loans	[1]
Mortgage warehouse lines [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Mortgage warehouse lines [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Mortgage warehouse lines [Member] | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due			[2]		[3]
Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 9,397		$ 20,695
Current		742,271		683,535
Total Loans		751,668		704,230
Non-Accrual Loans	[1]	13,457		19,031
Real Estate Loans [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		1,631		4,562
Real Estate Loans [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		47		1,352
Real Estate Loans [Member] | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		7,719	[2]	14,781	[3]
Real Estate Loans [Member] | 1-4 Family residential construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		374		332
Current		8,146		5,526
Total Loans		$ 8,520		$ 5,858
Non-Accrual Loans	[1]
Real Estate Loans [Member] | 1-4 Family residential construction [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 374
Real Estate Loans [Member] | 1-4 Family residential construction [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due				$ 332
Real Estate Loans [Member] | 1-4 Family residential construction [Member] | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due			[2]		[3]
Real Estate Loans [Member] | Other Construction/Land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 270		$ 3,405
Current		32,355		16,503
Total Loans		32,625		19,908
Non-Accrual Loans	[1]	163		3,547
Real Estate Loans [Member] | Other Construction/Land [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 270		93
Real Estate Loans [Member] | Other Construction/Land [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due				59
Real Estate Loans [Member] | Other Construction/Land [Member] | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due			[2]	3,253	[3]
Real Estate Loans [Member] | 1-4 Family - closed end [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 494		4,596
Current		133,982		109,663
Total Loans		134,476		114,259
Non-Accrual Loans	[1]	2,478		3,042
Real Estate Loans [Member] | 1-4 Family - closed end [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 33		1,125
Real Estate Loans [Member] | 1-4 Family - closed end [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due				597
Real Estate Loans [Member] | 1-4 Family - closed end [Member] | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 461	[2]	2,874	[3]
Real Estate Loans [Member] | Equity Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		489		356
Current		44,341		49,361
Total Loans		44,830		49,717
Non-Accrual Loans	[1]	1,265		1,049
Real Estate Loans [Member] | Equity Lines [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		281		98
Real Estate Loans [Member] | Equity Lines [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		47		44
Real Estate Loans [Member] | Equity Lines [Member] | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 161	[2]	214	[3]
Real Estate Loans [Member] | Multi-family residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due				356
Current		$ 27,341		18,362
Total Loans		$ 27,341		18,718
Non-Accrual Loans	[1]			171
Real Estate Loans [Member] | Multi-family residential [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due				$ 185
Real Estate Loans [Member] | Multi-family residential [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Real Estate Loans [Member] | Multi-family residential [Member] | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due			[2]	$ 171	[3]
Real Estate Loans [Member] | Commercial real estate - owner occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 1,034		2,802
Current		215,723		215,852
Total Loans		216,757		218,654
Non-Accrual Loans	[1]	2,547		3,417
Real Estate Loans [Member] | Commercial real estate - owner occupied [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 626		1,460
Real Estate Loans [Member] | Commercial real estate - owner occupied [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due				26
Real Estate Loans [Member] | Commercial real estate - owner occupied [Member] | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 408	[2]	1,316	[3]
Real Estate Loans [Member] | Commercial real estate - Non-owner occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		6,689		7,851
Current		154,155		124,226
Total Loans		160,844		132,077
Non-Accrual Loans	[1]	$ 6,957		7,754
Real Estate Loans [Member] | Commercial real estate - Non-owner occupied [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due				604
Real Estate Loans [Member] | Commercial real estate - Non-owner occupied [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due				294
Real Estate Loans [Member] | Commercial real estate - Non-owner occupied [Member] | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 6,689	[2]	6,953	[3]
Real Estate Loans [Member] | Farmland [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		47		997
Current		126,228		144,042
Total Loans		126,275		145,039
Non-Accrual Loans	[1]	47		51
Real Estate Loans [Member] | Farmland [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 47		$ 997
Real Estate Loans [Member] | Farmland [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Real Estate Loans [Member] | Farmland [Member] | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due			[2]		[3]

[1] Included in total financing receivables

[2] As of September 30, 2015 there were no loans over 90 days past due and stillacrruing.

[3] As of December 31, 2014 there were no loans over 90 days past due and still accruing.