Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Examination [Line Items]
Deferred Tax Assets, Valuation Allowance		$ 0	$ 0
Anticipated Reduction Resulting from Lapse of Applicable Statue of Limitations		566,000	565,000
Income tax interest and penalties		100,000	200,000	$ 600,000
Accrued income tax interest and penalties		$ 1,000,000	$ 900,000
Forecast
Income Tax Examination [Line Items]
Anticipated Reduction Resulting from Lapse of Applicable Statue of Limitations	$ 600,000