Stock Compensation Plans - Stock option activity (Details) $ / shares in Units, $ in Thousands	9 Months Ended
Sep. 30, 2022 USD ($) $ / shares shares
Share-Based Payment Arrangement [Abstract]
Options outstanding, January 1, 2022 \| shares	35,661
Option Outstanding, Forfeited or cancelled \| shares	(3,000)
Option Outstanding, Exercised \| shares	(3,000)
Options outstanding, September 30, 2022 \| shares	29,661
Exercisable at September 30, 2022 \| shares	29,661
Weighted Average Exercise Price, Options outstanding, January 1, 2022 \| $ / shares	$ 21.72
Weighted Average Exercise Price, Forfeited or cancelled \| $ / shares	17.68
Weighted Average Exercise Price, Exercised \| $ / shares	17.68
Weighted Average Exercise Price, Options outstanding, September 30, 2022 \| $ / shares	22.54
Weighted Average Exercise Price, Exercisable at September 30, 2022 \| $ / shares	$ 22.54
Weighted Average Remaining Contractual Terms (In years), Exercisable at September 30, 2022	4 years 4 months 2 days
Aggregate Intrinsic Value, Exercisable at September 30, 2022 \| $	$ 100

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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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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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 exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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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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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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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

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