Income Tax (Reconciliation of Income Tax Expense at Federal Statutory Rate to Actual Tax Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of federal statutory to actual tax expense
Federal statutory income tax at 34%	$ 4,897	$ 4,423	$ 3,359
Other than temporary impairment	(615)
State taxes	145	109
Low income housing credits	(107)	(159)	(283)
Tax-exempt income	(818)	(725)	(587)
Other	81	160	143
Income Tax Expense (Benefit), Total	$ 3,583	$ 3,808	$ 2,632
Effective tax rate	24.88%	29.28%	26.64%
Federal statutory income tax rate	34.00%