Loans (Details 9) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	$ 1,586,893	$ 1,585,519
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,232,447	1,226,966
Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	34,814	37,700
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	46,884	55,715
Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	850	45
Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	271,898	265,093
One To Four Family Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	135,932	129,585
One To Four Family Owner Occupied [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	4,229	4,287
One To Four Family Owner Occupied [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	3	18
One To Four Family Owner Occupied [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,905	3,515
One To Four Family Owner Occupied [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	748	0
One To Four Family Owner Occupied [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	129,047	121,765
One To Four Family Non Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	64,367	66,612
One To Four Family Non Owner Occupied [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	51,624	51,660
One To Four Family Non Owner Occupied [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,721	2,894
One To Four Family Non Owner Occupied [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	5,016	5,699
One To Four Family Non Owner Occupied [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
One To Four Family Non Owner Occupied [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	6,006	6,359
One To Four Family Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	200,299	196,197
One To Four Family Residential Real Estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	55,853	55,947
One To Four Family Residential Real Estate [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,724	2,912
One To Four Family Residential Real Estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	6,921	9,214
One To Four Family Residential Real Estate [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	748	0
One To Four Family Residential Real Estate [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	135,053	128,124
Multi Family Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	151,140	149,134
Multi Family Residential Real Estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	149,083	145,407
Multi Family Residential Real Estate [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	228	875
Multi Family Residential Real Estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	890	1,888
Multi Family Residential Real Estate [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Multi Family Residential Real Estate [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	939	964
Commercial Real Estate Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	299,592	315,753
Commercial Real Estate Owner Occupied [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	279,863	291,770
Commercial Real Estate Owner Occupied [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	9,364	10,584
Commercial Real Estate Owner Occupied [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	8,923	11,665
Commercial Real Estate Owner Occupied [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Commercial Real Estate Owner Occupied [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,442	1,734
Commercial Real Estate Non Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	229,795	228,320
Commercial Real Estate Non Owner Occupied [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	204,659	200,790
Commercial Real Estate Non Owner Occupied [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	9,081	10,254
Commercial Real Estate Non Owner Occupied [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	16,020	17,185
Commercial Real Estate Non Owner Occupied [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Commercial Real Estate Non Owner Occupied [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	35	91
Agriculture Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	85,098	82,047
Agriculture Land [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	81,931	80,418
Agriculture Land [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	2,020	578
Agriculture Land [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,147	1,051
Agriculture Land [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Agriculture Land [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Commercial Real Estate Other Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	39,310	46,585
Commercial Real Estate Other Receivable [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	35,692	40,676
Commercial Real Estate Other Receivable [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	63	2,074
Commercial Real Estate Other Receivable [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	2,875	3,104
Commercial Real Estate Other Receivable [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Commercial Real Estate Other Receivable [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	680	731
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	653,795	672,705
Commercial Real Estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	602,145	613,654
Commercial Real Estate [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	20,528	23,490
Commercial Real Estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	28,965	33,005
Commercial Real Estate [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Commercial Real Estate [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	2,157	2,556
Commercial Working Capital [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	145,659	155,792
Commercial Working Capital [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	137,596	148,703
Commercial Working Capital [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	5,046	3,429
Commercial Working Capital [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	3,017	3,660
Commercial Working Capital [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Commercial Working Capital [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Commercial Loans Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	244,781	233,683
Commercial Loans Other [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	231,850	219,790
Commercial Loans Other [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	7,288	6,994
Commercial Loans Other [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	5,643	6,899
Commercial Loans Other [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Commercial Loans Other [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	390,440	389,475
Commercial Loan [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	369,446	368,493
Commercial Loan [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	12,334	10,423
Commercial Loan [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	8,660	10,559
Commercial Loan [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Commercial Loan [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	66,574	53,730
Home Equity and Home Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	108,859	107,387
Home Equity and Home Improvement [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Home Equity and Home Improvement [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Home Equity and Home Improvement [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,096	755
Home Equity and Home Improvement [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	102	45
Home Equity and Home Improvement [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	107,661	106,587
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	15,786	16,891
Consumer Loan [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Consumer Loan [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Consumer Loan [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	90	31
Consumer Loan [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
Consumer Loan [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	15,696	16,860
construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	66,574	53,730
construction [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	55,920	43,465
construction [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
construction [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	262	263
construction [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	0	0
construction [Member] | Not Graded [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	$ 10,392	$ 10,002