Employee Benefits (Share-Based Compensation Plan Narrative) (Details) - USD ($) $ in Thousands		12 Months Ended
May 26, 2020	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense		$ 216
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Available for future grants		97,146
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Available for future grants		48,443
2020 EIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized	763,743
Vesting period	3 years
Maximum term	10 years
2020 EIP \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized	545,531
Percentage of shares of common stock issued	4.90%
Aggregate intrinsic value of options		$ 868
Unrecognized compensation cost related to the nonvested stock options granted		$ 662
Period for Recognition		2 years 7 months 28 days
Aggregate grant date fair value		$ 747
2020 EIP \| Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized	218,212
Percentage of shares of common stock issued	1.96%
Period for Recognition		2 years 7 months 24 days
Unrecognized compensation cost related to the nonvested restricted stock awards granted		$ 984
Aggregate grant date fair value		$ 1,115

Represents the total fair value of instruments other than options granted during the reporting period.

No definition available.

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Represents the number of shares authorized for issuance represented as a percentage of shares issued in mutual holding company reorganization.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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