Loans, Impaired Financing Receivable (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	$ 37,362	$ 21,873	$ 36,744
Unpaid Contractual Principal Balance With An Allowance Recorded	12,713	31,618	16,526
Unpaid Contractual Principal Balance, Total	50,075	53,491	53,270
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	30,891	18,217	31,289
Impaired Balance With An Allowance Recorded	10,904	28,355	13,975
Impaired Balance, Total	41,795	46,572	45,264
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	2,266	4,193	2,299
Related Allowance Total	2,266	4,193	2,299
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	31,511	21,909	24,209
Average Recorded Investment With An Allowance Recorded	12,071	25,171	22,112
Average Recorded Investment, Total	43,582	47,080	46,321
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	387	195	797
Interest Income Recognized With An Allowance Recorded	161	308	243
Interest Income Recognized, Total	548	503	1,040
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	423	225	802
Interest Income Collected With An Allowance Recorded	166	310	240
Interest Income Collected, Total	589	535	1,042
Commercial [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	1,728	174	305
Unpaid Contractual Principal Balance With An Allowance Recorded	101	2,374	1,453
Unpaid Contractual Principal Balance, Total	1,829	2,548	1,758
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	1,415	172	305
Impaired Balance With An Allowance Recorded	102	2,374	1,453
Impaired Balance, Total	1,517	2,546	1,758
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	102	551	434
Related Allowance Total	102	551	434
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	1,007	147	216
Average Recorded Investment With An Allowance Recorded	741	1,919	1,689
Average Recorded Investment, Total	1,748	2,066	1,905
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	5	4	24
Interest Income Recognized With An Allowance Recorded	0	22	15
Interest Income Recognized, Total	5	26	39
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	13	6	25
Interest Income Collected With An Allowance Recorded	0	30	21
Interest Income Collected, Total	13	36	46
Agricultural [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	70	0	0
Unpaid Contractual Principal Balance With An Allowance Recorded	0	0	0
Unpaid Contractual Principal Balance, Total	70	0	0
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	64	0	0
Impaired Balance With An Allowance Recorded	0	0	0
Impaired Balance, Total	64	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	57	20	10
Average Recorded Investment With An Allowance Recorded	0	0	0
Average Recorded Investment, Total	57	20	10
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	(7)	0	0
Interest Income Recognized With An Allowance Recorded	0	0	0
Interest Income Recognized, Total	(7)	0	0
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	3	0	0
Interest Income Collected With An Allowance Recorded	0	0	0
Interest Income Collected, Total	3	0	0
Commercial Construction [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	5,894	3,969	7,856
Unpaid Contractual Principal Balance With An Allowance Recorded	4,171	11,017	5,923
Unpaid Contractual Principal Balance, Total	10,065	14,986	13,779
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	2,586	1,699	4,750
Impaired Balance With An Allowance Recorded	2,369	8,467	3,472
Impaired Balance, Total	4,955	10,166	8,222
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	1,082	1,580	830
Related Allowance Total	1,082	1,580	830
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	3,470	3,330	4,106
Average Recorded Investment With An Allowance Recorded	2,920	6,578	5,025
Average Recorded Investment, Total	6,390	9,908	9,131
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	2	12	35
Interest Income Recognized With An Allowance Recorded	0	6	0
Interest Income Recognized, Total	2	18	35
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	2	12	41
Interest Income Collected With An Allowance Recorded	0	9	0
Interest Income Collected, Total	2	21	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	21,215	10,879	20,121
Unpaid Contractual Principal Balance With An Allowance Recorded	7,485	13,436	5,874
Unpaid Contractual Principal Balance, Total	28,700	24,315	25,995
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	19,831	10,148	19,253
Impaired Balance With An Allowance Recorded	7,485	13,436	5,874
Impaired Balance, Total	27,316	23,584	25,127
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	772	1,080	424
Related Allowance Total	772	1,080	424
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	20,258	12,740	13,199
Average Recorded Investment With An Allowance Recorded	6,797	11,677	11,072
Average Recorded Investment, Total	27,055	24,417	24,271
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	264	112	494
Interest Income Recognized With An Allowance Recorded	138	240	157
Interest Income Recognized, Total	402	352	651
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	283	133	504
Interest Income Collected With An Allowance Recorded	140	234	148
Interest Income Collected, Total	423	367	652
Residential Real Estate [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	7,021	4,327	7,837
Unpaid Contractual Principal Balance With An Allowance Recorded	956	4,791	1,949
Unpaid Contractual Principal Balance, Total	7,977	9,118	9,786
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	5,568	3,685	6,362
Impaired Balance With An Allowance Recorded	948	4,078	1,849
Impaired Balance, Total	6,516	7,763	8,211
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	310	982	526
Related Allowance Total	310	982	526
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	5,605	3,033	4,564
Average Recorded Investment With An Allowance Recorded	951	4,997	3,662
Average Recorded Investment, Total	6,556	8,030	8,226
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	108	62	224
Interest Income Recognized With An Allowance Recorded	23	40	26
Interest Income Recognized, Total	131	102	250
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	100	67	209
Interest Income Collected With An Allowance Recorded	26	37	24
Interest Income Collected, Total	126	104	233
Farmland [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	1,016	2,307	303
Unpaid Contractual Principal Balance With An Allowance Recorded	0	0	1,327
Unpaid Contractual Principal Balance, Total	1,016	2,307	1,630
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	1,015	2,307	303
Impaired Balance With An Allowance Recorded	0	0	1,327
Impaired Balance, Total	1,015	2,307	1,630
Related Allowance [Abstract]
Related Allowance - With An Allowance Recorded	0	0	85
Related Allowance Total	0	0	85
Average Recorded Investment [Abstract]
Average Recorded Investment With No Related Allowance Recorded	681	2,427	1,859
Average Recorded Investment With An Allowance Recorded	662	0	664
Average Recorded Investment, Total	1,343	2,427	2,523
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	4	1	1
Interest Income Recognized With An Allowance Recorded	0	0	45
Interest Income Recognized, Total	4	1	46
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	7	1	1
Interest Income Collected With An Allowance Recorded	0	0	47
Interest Income Collected, Total	7	1	48
Consumer [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	227	217	313
Unpaid Contractual Principal Balance With An Allowance Recorded	0	0	0
Unpaid Contractual Principal Balance, Total	227	217	313
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	221	206	307
Impaired Balance With An Allowance Recorded	0	0	0
Impaired Balance, Total	221	206	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	236	212	253
Average Recorded Investment With An Allowance Recorded	0	0	0
Average Recorded Investment, Total	236	212	253
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	7	4	18
Interest Income Recognized With An Allowance Recorded	0	0	0
Interest Income Recognized, Total	7	4	18
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	10	6	21
Interest Income Collected With An Allowance Recorded	0	0	0
Interest Income Collected, Total	10	6	21
Other [Member]
Unpaid Contractual Principal Balance [Abstract]
Unpaid Contractual Principal Balance With No Related Allowance Recorded	191	0	9
Unpaid Contractual Principal Balance With An Allowance Recorded	0	0	0
Unpaid Contractual Principal Balance, Total	191	0	9
Impaired Balance [Abstract]
Impaired Balance With No Related Allowance Recorded	191	0	9
Impaired Balance With An Allowance Recorded	0	0	0
Impaired Balance, Total	191	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	197	0	2
Average Recorded Investment With An Allowance Recorded	0	0	0
Average Recorded Investment, Total	197	0	2
Interest Income Recognized [Abstract]
Interest Income Recognized With No Related Allowance Recorded	4	0	1
Interest Income Recognized With An Allowance Recorded	0	0	0
Interest Income Recognized, Total	4	0	1
Interest Income Collected [Abstract]
Interest Income Collected With No Related Allowance Recorded	5	0	1
Interest Income Collected With An Allowance Recorded	0	0	0
Interest Income Collected, Total	$ 5	$ 0	$ 1