Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Recurring
Fair Value Measurements
Total assets	$ 225,302	$ 232,213
Recurring | U.S. Government and agency securities
Fair Value Measurements
Total assets	3,670	3,841
Recurring | Mortgage-backed securities
Fair Value Measurements
Total assets	11,968	12,697
Recurring | Asset-backed securities
Fair Value Measurements
Total assets	2,367	2,492
Recurring | State and political securities
Fair Value Measurements
Total assets	103,234	108,116
Recurring | Other debt securities
Fair Value Measurements
Total assets	90,112	89,643
Recurring | Financial institution equity securities
Fair Value Measurements
Total assets	9,653	9,915
Recurring | Other equity securities
Fair Value Measurements
Total assets	4,298	5,509
Recurring | Level I
Fair Value Measurements
Total assets	13,951	15,424
Recurring | Level I | U.S. Government and agency securities
Fair Value Measurements
Total assets	0	0
Recurring | Level I | Mortgage-backed securities
Fair Value Measurements
Total assets	0	0
Recurring | Level I | Asset-backed securities
Fair Value Measurements
Total assets	0	0
Recurring | Level I | State and political securities
Fair Value Measurements
Total assets	0	0
Recurring | Level I | Other debt securities
Fair Value Measurements
Total assets	0	0
Recurring | Level I | Financial institution equity securities
Fair Value Measurements
Total assets	9,653	9,915
Recurring | Level I | Other equity securities
Fair Value Measurements
Total assets	4,298	5,509
Recurring | Level II
Fair Value Measurements
Total assets	211,351	216,789
Recurring | Level II | U.S. Government and agency securities
Fair Value Measurements
Total assets	3,670	3,841
Recurring | Level II | Mortgage-backed securities
Fair Value Measurements
Total assets	11,968	12,697
Recurring | Level II | Asset-backed securities
Fair Value Measurements
Total assets	2,367	2,492
Recurring | Level II | State and political securities
Fair Value Measurements
Total assets	103,234	108,116
Recurring | Level II | Other debt securities
Fair Value Measurements
Total assets	90,112	89,643
Recurring | Level II | Financial institution equity securities
Fair Value Measurements
Total assets	0	0
Recurring | Level II | Other equity securities
Fair Value Measurements
Total assets	0	0
Recurring | Level III
Fair Value Measurements
Total assets	0	0
Recurring | Level III | U.S. Government and agency securities
Fair Value Measurements
Total assets	0	0
Recurring | Level III | Mortgage-backed securities
Fair Value Measurements
Total assets	0	0
Recurring | Level III | Asset-backed securities
Fair Value Measurements
Total assets	0	0
Recurring | Level III | State and political securities
Fair Value Measurements
Total assets	0	0
Recurring | Level III | Other debt securities
Fair Value Measurements
Total assets	0	0
Recurring | Level III | Financial institution equity securities
Fair Value Measurements
Total assets	0	0
Recurring | Level III | Other equity securities
Fair Value Measurements
Total assets	0	0
Non-recurring
Fair Value Measurements
Total assets	19,692	18,724
Non-recurring | Impaired loans
Fair Value Measurements
Total assets	16,650	15,483
Non-recurring | Other real estate owned
Fair Value Measurements
Total assets	3,042	3,241
Non-recurring | Level I
Fair Value Measurements
Total assets	0	0
Non-recurring | Level I | Impaired loans
Fair Value Measurements
Total assets	0	0
Non-recurring | Level I | Other real estate owned
Fair Value Measurements
Total assets	0	0
Non-recurring | Level II
Fair Value Measurements
Total assets	0	0
Non-recurring | Level II | Impaired loans
Fair Value Measurements
Total assets	0	0
Non-recurring | Level II | Other real estate owned
Fair Value Measurements
Total assets	0	0
Non-recurring | Level III
Fair Value Measurements
Total assets	19,692	18,724
Non-recurring | Level III | Impaired loans
Fair Value Measurements
Total assets	16,650	15,483
Non-recurring | Level III | Other real estate owned
Fair Value Measurements
Total assets	$ 3,042	$ 3,241