Income Tax Expense Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Line Items]
Earnings before income taxes	$ 10,232	$ 9,408	$ 8,182
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate	3,479	3,199	2,782
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	34.00%	34.00%	34.00%
Income Tax Reconciliation, Tax Exempt Income	(803)	(884)	(997)
Effective Income Tax Rate Reconciliation, Tax Exempt Income	(7.80%)	(9.40%)	(12.20%)
Income Tax Reconciliation, State and Local Income Taxes	295	242	179
Effective Income Tax Rate Reconciliation, State and Local Income Taxes	2.90%	2.60%	2.20%
Income Tax Reconciliation, Bank Owned Life Insurance	(170)	(145)	(151)
Effective Income Tax Rate Reconciliation, Bank Owned Life Insurance	(1.70%)	(1.50%)	(1.80%)
Income Tax Reconciliation Change In Valuation Allowance	0	0	(505)
Effective Income Tax Rate Reconcilition, Change In Valuation Allowance	0.00%	0.00%	(6.20%)
Income Tax Reconciliation, Other Adjustments	(17)	(122)	111
Effective Income Tax Rate Reconciliation, Other Adjustments	(0.20%)	(1.30%)	1.40%
Income Tax Expense (Benefit), Continuing Operations, Total	$ 2,784	$ 2,290	$ 1,419
Effective Income Tax Rate, Continuing Operations	27.20%	24.40%	17.40%