Loans (Schedule for Loans Individually Evaluated for Impairment) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
With An Allowance Recorded:
Allowance for Loan Losses Allocated		$ 1,688		$ 1,688		$ 1,542
Unpaid Principal Balance	[1]	6,884		6,884		7,568
Recorded Investment		6,116		6,116		6,386
Average Recorded Investment		6,427	$ 7,243	6,621	$ 9,578
Interest Income Recognized		48	52	188	195
Cash Basis Recognized		47	55	187	191
Commercial and Industrial Loans and Leases
With No Related Allowance Recorded:
Unpaid Principal Balance	[1]	262		262		1,887
Recorded Investment		259		259		1,877
Average Recorded Investment		366	2,005	471	2,106
Interest Income Recognized		12	29	24	105
Cash Basis Recognized		12	30	24	107
With An Allowance Recorded:
Unpaid Principal Balance	[1]	1,945		1,945		84
Recorded Investment		1,960		1,960		87
Allowance for Loan Losses Allocated		171		171		87
Average Recorded Investment		1,974	211	1,821	1,600
Interest Income Recognized		22	1	68	1
Cash Basis Recognized		22	1	68	1
Commercial Real Estate Loans
With No Related Allowance Recorded:
Unpaid Principal Balance	[1]	1,081		1,081		1,944
Recorded Investment		962		962		1,447
Average Recorded Investment		1,008	2,384	1,228	2,714
Interest Income Recognized		11	18	92	73
Cash Basis Recognized		11	21	92	70
With An Allowance Recorded:
Unpaid Principal Balance	[1]	3,584		3,584		3,653
Recorded Investment		2,923		2,923		2,975
Allowance for Loan Losses Allocated		1,517		1,517		1,455
Average Recorded Investment		3,067	2,643	3,093	3,158
Interest Income Recognized		2	4	3	16
Cash Basis Recognized		1	3	2	13
Agricultural Loans
With No Related Allowance Recorded:
Unpaid Principal Balance	[1]	12		12		0
Recorded Investment		12		12		0
Average Recorded Investment		12	0	8	0
Interest Income Recognized		1	0	1	0
Cash Basis Recognized		1	0	1	0
With An Allowance Recorded:
Unpaid Principal Balance	[1]	0		0		0
Recorded Investment		0		0		0
Allowance for Loan Losses Allocated		0		0		0
Average Recorded Investment		0	0	0	0
Interest Income Recognized		0	0	0	0
Cash Basis Recognized		0	0	0	0
Subtotal
With No Related Allowance Recorded:
Unpaid Principal Balance	[1]	1,355		1,355		3,831
Recorded Investment		1,233		1,233		3,324
Average Recorded Investment		1,386	4,389	1,707	4,820
Interest Income Recognized		24	47	117	178
Cash Basis Recognized		24	51	117	177
With An Allowance Recorded:
Unpaid Principal Balance	[1]	5,529		5,529		3,737
Recorded Investment		4,883		4,883		3,062
Allowance for Loan Losses Allocated		1,688		1,688		1,542
Average Recorded Investment		5,041	2,854	4,914	4,758
Interest Income Recognized		24	5	71	17
Cash Basis Recognized		23	4	70	14
Loans Acquired With Deteriorated Credit Quality With No Related Allowance Recorded (Included in the Total Above)
With No Related Allowance Recorded:
Unpaid Principal Balance	[1]	530		530		289
Recorded Investment		0		0		133
Average Recorded Investment		127	773	237	873
Interest Income Recognized		0	0	0	3
Cash Basis Recognized		0	0	0	3
Loans Acquired With Deteriorated Credit Quality With An Additional Allowance Recorded (Included in the Total Above)
With An Allowance Recorded:
Unpaid Principal Balance	[1]	0		0		759
Recorded Investment		0		0		209
Allowance for Loan Losses Allocated		0		0		$ 10
Average Recorded Investment		0	31	0	32
Interest Income Recognized		0	1	0	1
Cash Basis Recognized		$ 0	$ 1	$ 0	$ 1

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