Loans & Leases and Allowance for Credit Losses, Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
With no related allowance recorded [Abstract]
Recorded Investment	$ 5,318	$ 0	$ 5,318	$ 0	$ 0
Unpaid Principal Balance	5,437	0	5,437	0	0
Average Recorded Investment	5,222	1,638	3,090	3,074	1,853
Interest Income Recognized	33	0	74	58	58
With an allowance recorded [Abstract]
Recorded Investment	2,630	6,977	2,630	6,977	7,229
Unpaid Principal Balance	2,850	7,214	2,850	7,214	7,518
Related Allowance	1,054	1,394	1,054	1,394	1,444
Average Recorded Investment	2,651	5,232	4,444	3,916	5,163
Interest Income Recognized	15	41	68	61	107
Recorded Investment, Total	7,948	6,977	7,948	6,977	7,229
Unpaid Principal Balance, Total	8,287	7,214	8,287	7,214	7,518
Related Allowance	1,054	1,394	1,054	1,394	1,444
Average Recorded Investment, Total	7,873	6,870	7,534	6,990	7,016
Interest Income Recognized, Total	48	41	142	119	165
Commercial Real Estate [Member]
With no related allowance recorded [Abstract]
Recorded Investment	821	0	821	0	0
Unpaid Principal Balance	821	0	821	0	0
Average Recorded Investment	812	49	468	82	49
Interest Income Recognized	2	0	6	4	4
With an allowance recorded [Abstract]
Recorded Investment					92
Unpaid Principal Balance					92
Related Allowance					2
Average Recorded Investment					47
Interest Income Recognized					4
Related Allowance					2
Residential 1st Mortgages [Member]
With no related allowance recorded [Abstract]
Recorded Investment	557		557
Unpaid Principal Balance	623		623
Average Recorded Investment	561		471
Interest Income Recognized	4		12
With an allowance recorded [Abstract]
Recorded Investment	352	658	352	658	937
Unpaid Principal Balance	424	771	424	771	1,069
Related Allowance	17	131	17	131	187
Average Recorded Investment	354	550	453	522	612
Interest Income Recognized	4	1	12	3	9
Related Allowance	17	131	17	131	187
Home Equity Lines & Loans [Member]
With no related allowance recorded [Abstract]
Recorded Investment	619	0	619	0	0
Unpaid Principal Balance	659	0	659	0	0
Average Recorded Investment	620	0	531	226	169
Interest Income Recognized	1	0	2	0	0
With an allowance recorded [Abstract]
Recorded Investment	135	955	135	955	951
Unpaid Principal Balance	153	1,008	153	1,008	1,020
Related Allowance	7	191	7	191	190
Average Recorded Investment	136	934	273	710	803
Interest Income Recognized	2	3	4	6	10
Related Allowance	7	191	7	191	190
Agricultural [Member]
With no related allowance recorded [Abstract]
Recorded Investment	203	0	203	0	0
Unpaid Principal Balance	216	0	216	0	0
Average Recorded Investment	107	14	42	26	15
Interest Income Recognized	0	0	0	0	0
With an allowance recorded [Abstract]
Recorded Investment	427	483	427	483	461
Unpaid Principal Balance	427	493	427	493	473
Related Allowance	120	119	120	119	114
Average Recorded Investment	435	478	443	477	473
Interest Income Recognized	7	7	21	21	28
Related Allowance	120	119	120	119	114
Commercial [Member]
With no related allowance recorded [Abstract]
Recorded Investment	3,118	0	3,118	0	0
Unpaid Principal Balance	3,118	0	3,118	0	0
Average Recorded Investment	3,122	1,575	1,578	2,740	1,620
Interest Income Recognized	26	0	54	54	54
With an allowance recorded [Abstract]
Recorded Investment	1,679	4,744	1,679	4,744	4,742
Unpaid Principal Balance	1,803	4,801	1,803	4,801	4,813
Related Allowance	879	908	879	908	910
Average Recorded Investment	1,687	3,179	3,233	2,144	3,182
Interest Income Recognized	2	27	29	27	54
Related Allowance	879	908	879	908	910
Consumer & Other [Member]
With an allowance recorded [Abstract]
Recorded Investment	37	43	37	43	46
Unpaid Principal Balance	43	47	43	47	51
Related Allowance	31	43	31	43	41
Average Recorded Investment	39	44	42	47	46
Interest Income Recognized	0	1	2	2	2
Related Allowance	$ 31	$ 43	$ 31	$ 43	$ 41

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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