Estimated Long Term Inflation Rate

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Underlying Unexercised Options

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- Definition

Amount, after tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

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- Definition

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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- Definition

Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year.

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- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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- Definition

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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- Definition

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

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- Definition

Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement.

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- Definition

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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- Definition

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

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- Definition

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

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- Definition

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

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Benefits Plans (Narrative) (Details) - USD ($)		12 Months Ended
Benefits Plans (Narrative) (Details) - USD ($)	Jun. 14, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Apr. 26, 2018	Apr. 28, 2011
Defined Benefit Plan Disclosure [Line Items]
Options granted				98,875
Expected future compensation expense, unexercised options			$ 805,000
Expected future compensation expense, weighted average period for recognition			5 years 29 days
Estimated long term inflation rate			3.00%
Number of shares underlying options			374,812
Restricted stock expense			$ 636,000	$ 521,000
Unrecognized net gain (loss) included in accumulated other comprehensive (loss) income			(3,069,000)	$ (2,365,000)
Expected company contribution			$ 0
Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Target			3.00%
Restricted Stock [Member] \| Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Restricted stock expense		$ 131,113
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets			6.00%
Minimum [Member] \| Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets			5.00%
Minimum [Member] \| Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets			2.00%
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets			10.00%
Maximum [Member] \| Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets			9.00%
Maximum [Member] \| Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets			6.00%
2018 Equity Incentive Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Shares authorized for issuance					1,000,000
2011 Stock Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Shares authorized for issuance						900,000
Directors [Member] \| 2018 Equity Incentive Plan [Member] \| Options [Member]
Defined Benefit Plan Disclosure [Line Items]
Options granted	68,750
Vesting period	2 years
Directors [Member] \| 2018 Equity Incentive Plan [Member] \| Restricted Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Restricted stock issued	47,618
Vesting period	2 years
Executive Officers [Member] \| 2018 Equity Incentive Plan [Member] \| Options [Member]
Defined Benefit Plan Disclosure [Line Items]
Options granted	30,125
Vesting period	2 years