Income Taxes (Summary of Differences Between the Statutory Federal Income Tax Rate and Effective Tax Rates) (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Income Taxes [Abstract]
Federal income tax at statutory rate	(21.00%)	21.00%
Increase (decrease) in tax resulting from:
State tax, net of federal tax benefit	(3.70%)	5.90%
Tax exempt income and dividends received deduction	(0.30%)	(0.30%)
Other	3.80%	0.30%
Effective tax rate	(21.20%)	26.90%