Equity Incentive Plan (Details) - Plan 2012 [Member] - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Share Awards [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Abstract]
Number of shares authorized for issuance (in shares)	2,000,000
Shares available for future grant (in shares)	910,200	935,200
Stock Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Abstract]
Options granted (in shares)	0	0
Options outstanding (in shares)	0	0
Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Abstract]
Restricted shares issued (in shares)	25,000	0
Estimated fair value of shares issued	$ 69
Restricted Stock [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Abstract]
Vesting period	1 year
Restricted Stock [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Abstract]
Vesting period	3 years

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The total fair value of shares issued during the period under a deferred compensation arrangement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Net 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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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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