Fair Value (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value Disclosure, Securities Available-for-Sale [Abstract]
Fair Value Disclosure, Agency Obligations	$ 44,197	$ 39,525
Fair Value Disclosure, Agency RMBS	150,442	141,460
Fair Value Disclosure, State and Political Subdivisions	74,920	77,838
Trust Preferred Securities	660	652
Fair Value Disclosure, Securities Available-for-Sale, Total	270,219	259,475
Other Assets, Fair Value Disclosure	1,127	1,210
Assets, Fair Value Disclosure, Recurring	271,346	260,685
Liabilities Fair Value Disclosure [Abstract]
Other Liabilities, Fair Value Disclosure	0	1,210
Liabilities, Fair Value Disclosure, Recurring, Total	0	1,210
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Abstract]
Loans Held-for-sale, Fair Value Disclosure	4,893	2,887
Impaired Loans, Fair Value Disclosure	4,944	10,272
Other Real Esate Owned, Fair Value Disclosure	4,810	4,919
Servicing Asset at Fair Value, Amount	1,728	1,526
Assets, Fair Value Disclosure, Nonrecurring	16,375	19,604
Fair Value, Inputs, Level 1 [Member]
Fair Value Disclosure, Securities Available-for-Sale [Abstract]
Fair Value Disclosure, Agency Obligations	0	0
Fair Value Disclosure, Agency RMBS	0	0
Fair Value Disclosure, State and Political Subdivisions	0	0
Trust Preferred Securities	0	0
Fair Value Disclosure, Securities Available-for-Sale, Total	0	0
Other Assets, Fair Value Disclosure	0	0
Assets, Fair Value Disclosure, Recurring	0	0
Liabilities Fair Value Disclosure [Abstract]
Other Liabilities, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure, Recurring, Total	0	0
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Abstract]
Loans Held-for-sale, Fair Value Disclosure	0	0
Impaired Loans, Fair Value Disclosure	0	0
Other Real Esate Owned, Fair Value Disclosure	0	0
Servicing Asset at Fair Value, Amount	0	0
Assets, Fair Value Disclosure, Nonrecurring	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value Disclosure, Securities Available-for-Sale [Abstract]
Fair Value Disclosure, Agency Obligations	44,197	39,525
Fair Value Disclosure, Agency RMBS	150,442	141,460
Fair Value Disclosure, State and Political Subdivisions	74,920	77,838
Trust Preferred Securities	0	0
Fair Value Disclosure, Securities Available-for-Sale, Total	269,559	258,823
Other Assets, Fair Value Disclosure	1,127	1,210
Assets, Fair Value Disclosure, Recurring	270,686	260,033
Liabilities Fair Value Disclosure [Abstract]
Other Liabilities, Fair Value Disclosure	0	1,210
Liabilities, Fair Value Disclosure, Recurring, Total	0	1,210
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Abstract]
Loans Held-for-sale, Fair Value Disclosure	4,893	2,887
Impaired Loans, Fair Value Disclosure	0	0
Other Real Esate Owned, Fair Value Disclosure	0	0
Servicing Asset at Fair Value, Amount	0	0
Assets, Fair Value Disclosure, Nonrecurring	4,893	2,887
Fair Value, Inputs, Level 3 [Member]
Fair Value Disclosure, Securities Available-for-Sale [Abstract]
Fair Value Disclosure, Agency Obligations	0	0
Fair Value Disclosure, Agency RMBS	0	0
Fair Value Disclosure, State and Political Subdivisions	0	0
Trust Preferred Securities	660	652
Fair Value Disclosure, Securities Available-for-Sale, Total	660	652
Other Assets, Fair Value Disclosure	0	0
Assets, Fair Value Disclosure, Recurring	660	652
Liabilities Fair Value Disclosure [Abstract]
Other Liabilities, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure, Recurring, Total	0	0
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Abstract]
Loans Held-for-sale, Fair Value Disclosure	0	0
Impaired Loans, Fair Value Disclosure	4,944	10,272
Other Real Esate Owned, Fair Value Disclosure	4,810	4,919
Servicing Asset at Fair Value, Amount	1,728	1,526
Assets, Fair Value Disclosure, Nonrecurring	$ 11,482	$ 16,717