Loans, Impaired Financing Receivable (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	$ 33,452	$ 27,110	$ 36,744
Unpaid Contractual Principal Balance With An Allowance Recorded	10,744	26,583	16,526
Unpaid Contractual Principal Balance, Total	44,196	53,693	53,270
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	25,507	21,727	31,289
Impaired Balance With An Allowance Recorded	9,916	24,132	13,975
Impaired Balance, Total	35,423	45,859	45,264
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	1,077	3,216	2,299
Related Allowance Total	1,077	3,216	2,299
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	29,510	14,605	24,209
Average Recorded Investment With An Allowance Recorded	11,353	16,782	22,112
Average Recorded Investment, Total	40,863	31,387	46,321
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	572	292	797
Interest Income Recognized With An Allowance Recorded	216	410	243
Interest Income Recognized, Total	788	702	1,040
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	638	316	802
Interest Income Collected With An Allowance Recorded	220	415	240
Interest Income Collected, Total	858	731	1,042
Commercial [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	394	266	305
Unpaid Contractual Principal Balance With An Allowance Recorded	99	1,465	1,453
Unpaid Contractual Principal Balance, Total	493	1,731	1,758
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	394	265	305
Impaired Balance With An Allowance Recorded	99	1,465	1,453
Impaired Balance, Total	493	1,730	1,758
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	99	108	434
Related Allowance Total	99	108	434
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	803	98	216
Average Recorded Investment With An Allowance Recorded	527	1,280	1,689
Average Recorded Investment, Total	1,330	1,378	1,905
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	6	11	24
Interest Income Recognized With An Allowance Recorded	0	14	15
Interest Income Recognized, Total	6	25	39
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	14	14	25
Interest Income Collected With An Allowance Recorded	0	19	21
Interest Income Collected, Total	14	33	46
Agricultural [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	50	0	0
Unpaid Contractual Principal Balance With An Allowance Recorded	0	0	0
Unpaid Contractual Principal Balance, Total	50	0	0
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	45	0	0
Impaired Balance With An Allowance Recorded	0	0	0
Impaired Balance, Total	45	0	0
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	0	0	0
Related Allowance Total	0	0	0
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	53	13	10
Average Recorded Investment With An Allowance Recorded	0	0	0
Average Recorded Investment, Total	53	13	10
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	(4)	0	0
Interest Income Recognized With An Allowance Recorded	0	0	0
Interest Income Recognized, Total	(4)	0	0
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	6	0	0
Interest Income Collected With An Allowance Recorded	0	0	0
Interest Income Collected, Total	6	0	0
Commercial Construction [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	9,210	8,335	7,856
Unpaid Contractual Principal Balance With An Allowance Recorded	210	5,924	5,923
Unpaid Contractual Principal Balance, Total	9,420	14,259	13,779
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	3,101	5,010	4,750
Impaired Balance With An Allowance Recorded	139	3,473	3,472
Impaired Balance, Total	3,240	8,483	8,222
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	59	573	830
Related Allowance Total	59	573	830
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	3,347	2,220	4,106
Average Recorded Investment With An Allowance Recorded	1,993	4,386	5,025
Average Recorded Investment, Total	5,340	6,606	9,131
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	2	17	35
Interest Income Recognized With An Allowance Recorded	0	0	0
Interest Income Recognized, Total	2	17	35
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	2	23	41
Interest Income Collected With An Allowance Recorded	0	0	0
Interest Income Collected, Total	2	23	41
Residential Construction [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	0	0	0
Unpaid Contractual Principal Balance With An Allowance Recorded	0	0	0
Unpaid Contractual Principal Balance, Total	0	0	0
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	0	0	0
Impaired Balance With An Allowance Recorded	0	0	0
Impaired Balance, Total	0	0	0
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	0	0	0
Related Allowance Total	0	0	0
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	0	0	0
Average Recorded Investment With An Allowance Recorded	0	0	0
Average Recorded Investment, Total	0	0	0
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	0	0	0
Interest Income Recognized With An Allowance Recorded	0	0	0
Interest Income Recognized, Total	0	0	0
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	0	0	0
Interest Income Collected With An Allowance Recorded	0	0	0
Interest Income Collected, Total	0	0	0
Commercial Real Estate [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	17,346	8,559	20,121
Unpaid Contractual Principal Balance With An Allowance Recorded	5,931	15,061	5,874
Unpaid Contractual Principal Balance, Total	23,277	23,620	25,995
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	16,656	8,064	19,253
Impaired Balance With An Allowance Recorded	5,931	15,061	5,874
Impaired Balance, Total	22,587	23,125	25,127
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	283	1,559	424
Related Allowance Total	283	1,559	424
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	19,058	8,493	13,199
Average Recorded Investment With An Allowance Recorded	6,508	7,785	11,072
Average Recorded Investment, Total	25,566	16,278	24,271
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	427	95	494
Interest Income Recognized With An Allowance Recorded	142	287	157
Interest Income Recognized, Total	569	382	651
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	445	113	504
Interest Income Collected With An Allowance Recorded	143	285	148
Interest Income Collected, Total	588	398	652
Residential Real Estate [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	4,729	7,378	7,837
Unpaid Contractual Principal Balance With An Allowance Recorded	4,106	2,804	1,949
Unpaid Contractual Principal Balance, Total	8,835	10,182	9,786
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	3,953	5,830	6,362
Impaired Balance With An Allowance Recorded	3,349	2,804	1,849
Impaired Balance, Total	7,302	8,634	8,211
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	605	774	526
Related Allowance Total	605	774	526
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	5,054	2,022	4,564
Average Recorded Investment With An Allowance Recorded	1,751	3,331	3,662
Average Recorded Investment, Total	6,805	5,353	8,226
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	150	157	224
Interest Income Recognized With An Allowance Recorded	66	65	26
Interest Income Recognized, Total	216	222	250
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	142	152	209
Interest Income Collected With An Allowance Recorded	70	64	24
Interest Income Collected, Total	212	216	233
Farmland [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	1,330	2,277	303
Unpaid Contractual Principal Balance With An Allowance Recorded	398	1,329	1,327
Unpaid Contractual Principal Balance, Total	1,728	3,606	1,630
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	984	2,277	303
Impaired Balance With An Allowance Recorded	398	1,329	1,327
Impaired Balance, Total	1,382	3,606	1,630
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	31	202	85
Related Allowance Total	31	202	85
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	782	1,618	1,859
Average Recorded Investment With An Allowance Recorded	574	0	664
Average Recorded Investment, Total	1,356	1,618	2,523
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	(19)	0	1
Interest Income Recognized With An Allowance Recorded	8	44	45
Interest Income Recognized, Total	(11)	44	46
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	11	0	1
Interest Income Collected With An Allowance Recorded	7	47	47
Interest Income Collected, Total	18	47	48
Consumer [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	181	295	313
Unpaid Contractual Principal Balance With An Allowance Recorded	0	0	0
Unpaid Contractual Principal Balance, Total	181	295	313
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	173	281	307
Impaired Balance With An Allowance Recorded	0	0	0
Impaired Balance, Total	173	281	307
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	0	0	0
Related Allowance Total	0	0	0
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	215	141	253
Average Recorded Investment With An Allowance Recorded	0	0	0
Average Recorded Investment, Total	215	141	253
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	7	12	18
Interest Income Recognized With An Allowance Recorded	0	0	0
Interest Income Recognized, Total	7	12	18
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	10	14	21
Interest Income Collected With An Allowance Recorded	0	0	0
Interest Income Collected, Total	10	14	21
Other [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	212	0	9
Unpaid Contractual Principal Balance With An Allowance Recorded	0	0	0
Unpaid Contractual Principal Balance, Total	212	0	9
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	201	0	9
Impaired Balance With An Allowance Recorded	0	0	0
Impaired Balance, Total	201	0	9
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	0	0	0
Related Allowance Total	0	0	0
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	198	0	2
Average Recorded Investment With An Allowance Recorded	0	0	0
Average Recorded Investment, Total	198	0	2
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	3	0	1
Interest Income Recognized With An Allowance Recorded	0	0	0
Interest Income Recognized, Total	3	0	1
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	8	0	1
Interest Income Collected With An Allowance Recorded	0	0	0
Interest Income Collected, Total	$ 8	$ 0	$ 1