Loans (Loans Individually Evaluated for Impairment by Class of Loans) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013	Dec. 31, 2013
With An Allowance Recorded:
Unpaid Principal Balance	$ 8,124			$ 4,449
Allowance for Loan Losses Allocated	4,002			3,103
Unpaid Principal Balance	12,731	[1]		11,346	[1]
Recorded Investment	11,972			8,917
Average Recorded Investment	13,182		13,044
Interest Income Recognized	38		55
Cash Basis Recognized	40		23
Commercial and Industrial Loans and Leases [Member]
With No Related Allowance Recorded:
Unpaid Principal Balance	2,095	[1]		2,163	[1]
Recorded Investment	2,025			2,072
Average Recorded Investment	2,135		110
Interest Income Recognized	30		0
Cash Basis Recognized	33		1
With An Allowance Recorded:
Unpaid Principal Balance	4,348	[1]		45	[1]
Recorded Investment	4,357			45
Allowance for Loan Losses Allocated	1,536			45
Average Recorded Investment	4,371		2,533
Interest Income Recognized	1		1
Cash Basis Recognized	1		1
Commercial Real Estate Loans [Member]
With No Related Allowance Recorded:
Unpaid Principal Balance	2,342	[1]		4,710	[1]
Recorded Investment	1,800			2,383
Average Recorded Investment	2,433		2,170
Interest Income Recognized	3		0
Cash Basis Recognized	2		0
With An Allowance Recorded:
Unpaid Principal Balance	3,946	[1]		4,428	[1]
Recorded Investment	3,790			4,417
Allowance for Loan Losses Allocated	2,466			3,058
Average Recorded Investment	4,243		5,809
Interest Income Recognized	4		6
Cash Basis Recognized	4		5
Agricultural Loans [Member]
With No Related Allowance Recorded:
Unpaid Principal Balance	0	[1]		0	[1]
Recorded Investment	0			0
Average Recorded Investment	0		2,422
Interest Income Recognized	0		48
Cash Basis Recognized	0		16
With An Allowance Recorded:
Unpaid Principal Balance	0	[1]		0	[1]
Recorded Investment	0			0
Allowance for Loan Losses Allocated	0			0
Average Recorded Investment	0		0
Interest Income Recognized	0		0
Cash Basis Recognized	0		0
Subtotal [Member]
With No Related Allowance Recorded:
Unpaid Principal Balance	4,437	[1]		6,873	[1]
Recorded Investment	3,825			4,455
Average Recorded Investment	4,568		4,702
Interest Income Recognized	33		48
Cash Basis Recognized	35		17
With An Allowance Recorded:
Unpaid Principal Balance	8,294	[1]		4,473	[1]
Recorded Investment	8,147			4,462
Allowance for Loan Losses Allocated	4,002			3,103
Average Recorded Investment	8,614		8,342
Interest Income Recognized	5		7
Cash Basis Recognized	5		6
Loans Acquired With Deteriorated Credit Quality With No Related Allowance Recorded [Member]
With No Related Allowance Recorded:
Unpaid Principal Balance	982	[1]		987	[1]
Recorded Investment	559			451
Average Recorded Investment	1,244		57
Interest Income Recognized	2		0
Cash Basis Recognized	2		1
Loans Acquired With Deteriorated Credit Quality With Additional Allowance Recorded [Member]
With An Allowance Recorded:
Unpaid Principal Balance	32	[1]		33	[1]
Recorded Investment	7			8
Allowance for Loan Losses Allocated	7			8
Average Recorded Investment	33		112
Interest Income Recognized	0		1
Cash Basis Recognized	$ 1		$ 1

[1] Unpaid Principal Balance is the remaining contractual payments inclusive of partial charge-offs.