Allowance for Loan Losses (Details 4) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Aging of recorded investment in loans by past due category and class of loans
30-59 Days Past Due	$ 8,015	$ 11,705
60-89 Days Past Due	2,906	2,858
Greater than 90 days Past Due	6,634	12,977
Total Past Due	17,555	27,540
Current	1,782,656	1,773,282
Total	1,800,211	1,800,822
Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
30-59 Days Past Due	2,952	1,076
60-89 Days Past Due	905	266
Greater than 90 days Past Due	3,199	7,900
Total Past Due	7,056	9,242
Current	467,757	459,076
Total	474,813	468,318
Farmland
Aging of recorded investment in loans by past due category and class of loans
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
Greater than 90 days Past Due	0	0
Total Past Due	0	0
Current	92,786	92,602
Total	92,786	92,602
Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
30-59 Days Past Due	452	362
60-89 Days Past Due	422	0
Greater than 90 days Past Due	565	2,042
Total Past Due	1,439	2,404
Current	235,586	239,183
Total	237,025	241,587
Agriculture
Aging of recorded investment in loans by past due category and class of loans
30-59 Days Past Due	111	31
60-89 Days Past Due	0	32
Greater than 90 days Past Due	151	0
Total Past Due	262	63
Current	120,851	136,388
Total	121,113	136,451
All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
30-59 Days Past Due	41	50
60-89 Days Past Due	122	217
Greater than 90 days Past Due	188	188
Total Past Due	351	455
Current	125,853	108,184
Total	126,204	108,639
First Liens
Aging of recorded investment in loans by past due category and class of loans
30-59 Days Past Due	1,060	5,594
60-89 Days Past Due	967	1,513
Greater than 90 days Past Due	2,039	1,701
Total Past Due	4,066	8,808
Current	320,554	324,141
Total	324,620	332,949
Home Equity
Aging of recorded investment in loans by past due category and class of loans
30-59 Days Past Due	149	307
60-89 Days Past Due	10	7
Greater than 90 days Past Due	97	40
Total Past Due	256	354
Current	40,292	41,350
Total	40,548	41,704
Junior Liens
Aging of recorded investment in loans by past due category and class of loans
30-59 Days Past Due	245	392
60-89 Days Past Due	102	170
Greater than 90 days Past Due	277	471
Total Past Due	624	1,033
Current	31,616	32,269
Total	32,240	33,302
Multifamily
Aging of recorded investment in loans by past due category and class of loans
30-59 Days Past Due	16	103
60-89 Days Past Due	0	19
Greater than 90 days Past Due	0	400
Total Past Due	16	522
Current	73,717	66,138
Total	73,733	66,660
All Other Residential
Aging of recorded investment in loans by past due category and class of loans
30-59 Days Past Due	0	88
60-89 Days Past Due	0	0
Greater than 90 days Past Due	3	1
Total Past Due	3	89
Current	7,516	9,169
Total	7,519	9,258
Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
30-59 Days Past Due	2,948	3,579
60-89 Days Past Due	350	612
Greater than 90 days Past Due	115	227
Total Past Due	3,413	4,418
Current	245,839	243,146
Total	249,252	247,564
All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
30-59 Days Past Due	41	123
60-89 Days Past Due	28	22
Greater than 90 days Past Due	0	7
Total Past Due	69	152
Current	20,289	21,636
Total	$ 20,358	$ 21,788