Allowance for Loan Losses (Details 4) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Non-homogenous loans and leases
Non-homogenous loans and leases	$ 285,209	$ 286,778
Pass [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	242,419	235,522
Watch [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	23,517	30,370
Special Mention [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	9,472	9,888
Substandard [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	9,801	10,998
Construction [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	13,805	13,815
Construction [Member] | Pass [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	9,293	10,586
Construction [Member] | Watch [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	4,499	3,215
Construction [Member] | Special Mention [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	0	0
Construction [Member] | Substandard [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	13	14
Land, Farmland, Ag Loans [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	11,014	14,002
Land, Farmland, Ag Loans [Member] | Pass [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	9,599	13,063
Land, Farmland, Ag Loans [Member] | Watch [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	581	0
Land, Farmland, Ag Loans [Member] | Special Mention [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	0	0
Land, Farmland, Ag Loans [Member] | Substandard [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	834	939
Commercial [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	132,954	136,879
Commercial [Member] | Pass [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	106,812	107,065
Commercial [Member] | Watch [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	14,699	17,137
Commercial [Member] | Special Mention [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	6,086	6,479
Commercial [Member] | Substandard [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	5,357	6,198
Commercial and Industrial [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	47,089	42,094
Commercial and Industrial [Member] | Pass [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	46,309	39,666
Commercial and Industrial [Member] | Watch [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	617	2,256
Commercial and Industrial [Member] | Special Mention [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	0	0
Commercial and Industrial [Member] | Substandard [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	163	172
Multi Family [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	80,347	79,988
Multi Family [Member] | Pass [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	70,406	65,142
Multi Family [Member] | Watch [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	3,121	7,762
Multi Family [Member] | Special Mention [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	3,386	3,409
Multi Family [Member] | Substandard [Member]
Non-homogenous loans and leases
Non-homogenous loans and leases	$ 3,434	$ 3,675