Loans (Details 6) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	$ 1,639,185	$ 1,566,791
30-59 days	2,204	4,814
60-89 days	3,247	2,188
90+ days	7,331	11,726
Total Past Due	12,782	18,728
Total Non Accrual	24,135	27,855
Residential Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	141,597	126,855
30-59 days	39	1,530
60-89 days	1,079	191
90+ days	365	1,009
Total Past Due	1,483	2,730
Total Non Accrual	1,702	1,329
Residential Non Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	62,991	65,292
30-59 days	110	531
60-89 days	105	403
90+ days	578	386
Total Past Due	793	1,320
Total Non Accrual	1,625	1,943
One To Four Family Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	204,588	192,147
30-59 days	149	2,061
60-89 days	1,184	594
90+ days	943	1,395
Total Past Due	2,276	4,050
Total Non Accrual	3,327	3,272
Multi Family Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	156,413	149,134
30-59 days	247	0
60-89 days	0	0
90+ days	0	0
Total Past Due	247	0
Total Non Accrual	2,546	583
Commercial Real Estate Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	299,500	311,253
30-59 days	163	334
60-89 days	1,566	495
90+ days	1,753	3,671
Total Past Due	3,482	4,500
Total Non Accrual	7,004	7,492
Commercial Real Estate Non Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	243,341	225,433
30-59 days	119	1,067
60-89 days	416	918
90+ days	1,308	902
Total Past Due	1,843	2,887
Total Non Accrual	2,582	4,717
Agriculture Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	93,529	81,954
30-59 days	0	21
60-89 days	14	0
90+ days	0	73
Total Past Due	14	94
Total Non Accrual	686	630
Commercial Real Estate Other Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	43,835	45,297
30-59 days	155	0
60-89 days	0	0
90+ days	258	1,287
Total Past Due	413	1,287
Total Non Accrual	2,359	2,412
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	680,205	663,937
30-59 days	437	1,422
60-89 days	1,996	1,413
90+ days	3,319	5,933
Total Past Due	5,752	8,768
Total Non Accrual	12,631	15,251
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	73,722	53,730
30-59 days	0	0
60-89 days	0	0
90+ days	0	0
Total Past Due	0	0
Total Non Accrual	0	0
Commercial Working Capital [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	135,009	155,373
30-59 days	0	0
60-89 days	0	0
90+ days	951	419
Total Past Due	951	419
Total Non Accrual	1,103	2,917
Commercial Loans Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	262,982	230,054
30-59 days	67	37
60-89 days	10	26
90+ days	2,012	3,566
Total Past Due	2,089	3,629
Total Non Accrual	3,897	5,419
Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	397,991	385,427
30-59 days	67	37
60-89 days	10	26
90+ days	2,963	3,985
Total Past Due	3,040	4,048
Total Non Accrual	5,000	8,336
Home Equity and Home Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	110,940	105,657
30-59 days	1,236	1,163
60-89 days	0	155
90+ days	106	413
Total Past Due	1,342	1,731
Total Non Accrual	619	413
Consumer Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	15,326	16,759
30-59 days	68	131
60-89 days	57
90+ days	0	0
Total Past Due	125	131
Total Non Accrual	$ 12	$ 0