Equity Incentive Plans (Summary of Stock Option Activity) (Details) - $ / shares	3 Months Ended	12 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Equity Incentive Plans [Abstract]
Outstanding, Beginning Balance - Number of Options	1,194,425
Options Granted - Number of Options
Options Exercised - Number of Options
Options Forfeited - Number of Options
Options Expired - Number of Options
Outstanding, Ending Balance - Number of Options	1,194,425	1,194,425
Outstanding, Range of Exercise Price, Lower Range Limit (per share)	$ 9.02	$ 9.02
Outstanding, Range of Exercise Price, Upper Range Limit (per share)	13.68	13.68
Options Granted, Exercise Price
Options Exercised - Exercise Price
Options Forfeited - Exercise Price
Options expired - Exercise prices
Outstanding Number of Options, Beginning Balance - Weighted Average Exercise Price	11.64
Number of Options Granted - Weighted Average Exercise Price
Number of Options, Exercised - Weighted Average Exercise Price
Number of Options Forfeited - Weighted Average Exercise Price
Number of Options Expired - Weighted Average Exercise Price
Outstanding Number of Options, Ending Balance - Weighted Average Exercise Price	$ 11.64	$ 11.64

Share Based Compensation, Shares Authorized Under Stock Option Plan, Options Exercised, Exercise Price Range

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Share Based Compensation, Shares Authorized Under Stock Option Plan, Options Expired, Exercise Price Range

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Weighted average price of options that were either forfeited or expired.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Number of share options (or share units) exercised during the current period.

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