Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Amount
Expected income tax expense at federal tax rate	$ 7,267	$ 4,332
State taxes net of federal benefit	1,631	1,071
Nondeductible expenses	71	85
Nontaxable income	(411)	(396)
Income tax apportionment adjustment	0	(743)
Other	158	145
Income tax expense	$ 8,716	$ 4,494
Percent of Pre-Tax Income
Expected income tax expense at federal tax rate	21.00%	21.00%
State taxes net of federal benefit	4.71%	5.19%
Nondeductible expenses	0.21%	0.41%
Nontaxable income	(1.19%)	(1.91%)
Income tax apportionment adjustment	0.00%	(3.60%)
Other	0.46%	0.70%
Total income tax expense (as a percent of pre-tax income)	25.19%	21.79%