Allowance for Loan Losses (Details 4) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Non-homogenous loans and leases
Non Homogenous Loans and Leases	$ 312,682	$ 332,255
Pass [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	227,362	252,020
Watch [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	58,724	54,503
Special Mention [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	11,855	9,725
Substandard [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	14,741	16,007
Construction [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	24,606	23,876
Construction [Member] | Pass [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	11,750	16,263
Construction [Member] | Watch [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	12,839	7,594
Construction [Member] | Special Mention [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	0
Construction [Member] | Substandard [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	17	19
Land, Farmland, Ag Loans [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	16,483	17,822
Land, Farmland, Ag Loans [Member] | Pass [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	15,131	15,894
Land, Farmland, Ag Loans [Member] | Watch [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	0	173
Land, Farmland, Ag Loans [Member] | Special Mention [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	280	292
Land, Farmland, Ag Loans [Member] | Substandard [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	1,072	1,463
Commercial [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	158,881	163,764
Commercial [Member] | Pass [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	120,391	129,446
Commercial [Member] | Watch [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	21,500	17,112
Commercial [Member] | Special Mention [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	7,064	4,959
Commercial [Member] | Substandard [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	9,926	12,247
Commercial and industrial [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	36,161	38,863
Commercial and industrial [Member] | Pass [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	30,666	33,064
Commercial and industrial [Member] | Watch [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	5,182	5,154
Commercial and industrial [Member] | Special Mention [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	90	336
Commercial and industrial [Member] | Substandard [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	223	309
Multi Family [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	76,551	87,930
Multi Family [Member] | Pass [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	49,424	57,353
Multi Family [Member] | Watch [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	19,203	24,470
Multi Family [Member] | Special Mention [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	4,421	4,138
Multi Family [Member] | Substandard [Member]
Non-homogenous loans and leases
Non Homogenous Loans and Leases	$ 3,503	$ 1,969