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Equity Compensation Plan Information (Narrative) (Details)				1 Months Ended			3 Months Ended		12 Months Ended
	Mar. 26, 2022 shares	Mar. 26, 2021 shares	Mar. 26, 2020	Mar. 31, 2022 USD ($) $ / shares shares	May 31, 2021 $ / shares shares	Jan. 31, 2021 director $ / shares shares	Mar. 31, 2022 USD ($) shares	Mar. 31, 2021 USD ($)	Dec. 31, 2021 $ / shares shares	Dec. 31, 2020 shares
Number of New Directors \| director						2
Director [Member]
Amount payable to non-employee directors				$ 10,000			$ 10,000
Fully-vested shares of common stock issued \| shares							1,000
2018 Equity Plan [Member] \| Maximum [Member]
Maximum issuance of common stock options \| shares				325,000			325,000
2018 Equity Plan [Member] \| Director [Member]
Fully-vested shares of common stock issued \| shares					12,726	1,202
Fully vested shares of common stock issued, per share value \| $ / shares					$ 18.50	$ 16.66
Stock compensation expense							$ 58,858	$ 70,216
Long-Term Incentive Plan [Member]
Stock compensation expense							$ 26,127,000	$ 26,127,000
Restricted Stock Units (RSUs) [Member] \| Officers [Member] \| Share-based Payment Arrangement, Tranche One [Member]
Share-based compensation performance based award, percent							50.00%
Restricted Stock Units (RSUs) [Member] \| Officers [Member] \| Share-based Payment Arrangement, Tranche Two [Member]
Share-based compensation performance based award, percent							150.00%
Restricted Stock Units (RSUs) [Member] \| Long-Term Incentive Plan [Member]
Shares of common stock grant date fair market value \| $ / shares				$ 21.88	$ 17.93				$ 12.54
Restricted Stock Units (RSUs) [Member] \| Long-Term Incentive Plan [Member] \| Year 2021 [Member]
Stock compensation expense							$ 16,571
Unrecognized compensation expense related to unvested units				$ 138,093			$ 138,093
Restricted Stock Units (RSUs) [Member] \| Long-Term Incentive Plan [Member] \| Share-based Payment Arrangement, Tranche One [Member]
Share-based compensation award vesting period			3 years
Restricted Stock Units (RSUs) [Member] \| Long-Term Incentive Plan [Member] \| Share-based Payment Arrangement, Tranche Two [Member]
Share-based compensation award vesting period							3 years
Unvested Restricted Stock Units [Member] \| Long-Term Incentive Plan [Member] \| Year 2022 [Member]
Unrecognized compensation expense related to unvested units				313,743			$ 313,743
Unvested Restricted Stock Units [Member] \| Long-Term Incentive Plan [Member] \| Year 2020 [Member]
Unrecognized compensation expense related to unvested units				$ 63,584			$ 63,584
Performance Vested Shares [Member] \| Long-Term Incentive Plan [Member]
Share-based compensation shares of common stock granted \| shares				8,096	7,389				9,791	10,143
Time-vested Shares [Member] \| Long-Term Incentive Plan [Member]
Share-based compensation shares of common stock granted \| shares	3,380	5,070		6,238	3,693					5,070
Shares-based compensation shares of common stock issued \| shares	1,688	1,690