Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Amount of retained earnings for which no provision for federal income taxes has been made		$ 5,095,000
Unrecorded deferred income tax liability on retained earnings for which provision for federal income taxes have been made	$ 1,070,000	0
Net operating loss carryforwards which expire from 2022 through 2039	11,317,000
Unrecognized tax benefits	0	0	$ 0
Increase in unrecognized tax benefits relative to tax positions taken	0	0	0
Accrual of unrecognized tax benefit, income tax penalties and interest accrued	$ 0	$ 0	$ 0