Credit Quality Indicators (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Risk category of loans by class of loans
Total risk category of loans by class of loans	$ 320,547	$ 322,385
Commercial real estate, Owner occupied
Risk category of loans by class of loans
Total risk category of loans by class of loans	84,395	85,919
Commercial real estate, Non-owner occupied
Risk category of loans by class of loans
Total risk category of loans by class of loans	104,730	107,167
Commercial real estate, Other
Risk category of loans by class of loans
Total risk category of loans by class of loans	30,196	24,276
Commercial
Risk category of loans by class of loans
Total risk category of loans by class of loans	101,226	105,023
Pass
Risk category of loans by class of loans
Total risk category of loans by class of loans	291,820	291,420
Pass | Commercial real estate, Owner occupied
Risk category of loans by class of loans
Total risk category of loans by class of loans	71,567	72,398
Pass | Commercial real estate, Non-owner occupied
Risk category of loans by class of loans
Total risk category of loans by class of loans	94,333	96,065
Pass | Commercial real estate, Other
Risk category of loans by class of loans
Total risk category of loans by class of loans	29,860	23,935
Pass | Commercial
Risk category of loans by class of loans
Total risk category of loans by class of loans	96,060	99,022
Special Mention
Risk category of loans by class of loans
Total risk category of loans by class of loans	15,801	17,502
Special Mention | Commercial real estate, Owner occupied
Risk category of loans by class of loans
Total risk category of loans by class of loans	6,981	7,312
Special Mention | Commercial real estate, Non-owner occupied
Risk category of loans by class of loans
Total risk category of loans by class of loans	7,201	7,877
Special Mention | Commercial real estate, Other
Risk category of loans by class of loans
Total risk category of loans by class of loans	0	0
Special Mention | Commercial
Risk category of loans by class of loans
Total risk category of loans by class of loans	1,619	2,313
Sub-standard
Risk category of loans by class of loans
Total risk category of loans by class of loans	12,926	13,463
Sub-standard | Commercial real estate, Owner occupied
Risk category of loans by class of loans
Total risk category of loans by class of loans	5,847	6,209
Sub-standard | Commercial real estate, Non-owner occupied
Risk category of loans by class of loans
Total risk category of loans by class of loans	3,196	3,225
Sub-standard | Commercial real estate, Other
Risk category of loans by class of loans
Total risk category of loans by class of loans	336	341
Sub-standard | Commercial
Risk category of loans by class of loans
Total risk category of loans by class of loans	3,547	3,688
Doubtful
Risk category of loans by class of loans
Total risk category of loans by class of loans	0	0
Doubtful | Commercial real estate, Owner occupied
Risk category of loans by class of loans
Total risk category of loans by class of loans	0	0
Doubtful | Commercial real estate, Non-owner occupied
Risk category of loans by class of loans
Total risk category of loans by class of loans	0	0
Doubtful | Commercial real estate, Other
Risk category of loans by class of loans
Total risk category of loans by class of loans	0	0
Doubtful | Commercial
Risk category of loans by class of loans
Total risk category of loans by class of loans	0	0
Not Rated
Risk category of loans by class of loans
Total risk category of loans by class of loans	0	0
Not Rated | Commercial real estate, Owner occupied
Risk category of loans by class of loans
Total risk category of loans by class of loans	0	0
Not Rated | Commercial real estate, Non-owner occupied
Risk category of loans by class of loans
Total risk category of loans by class of loans	0	0
Not Rated | Commercial real estate, Other
Risk category of loans by class of loans
Total risk category of loans by class of loans	0	0
Not Rated | Commercial
Risk category of loans by class of loans
Total risk category of loans by class of loans	$ 0	$ 0