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Employee Benefits (Various Benefits - Narrative) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) fund | Dec. 31, 2020 USD ($) fund
Schedule Of Employee Benefits [Line Items] |  |
Number of investment funds | fund | 11 |
Number of equity funds | fund | 7 | 7
Number of bond funds | fund | 3 | 3
Percentage of internal revenue contribution | 25.00% |
Percentage of internal revenue service limitations | 6.00% |
Employer contribution in defined contribution plan | $ 1,074 | $ 993
Cash surrender value of life insurance | 29,131 | 18,877
Increase in cash surrender value of life insurance | 571 | 380
Estimated net actuarial loss | (842) | 2,941
Accrued expenses and other liabilities | 20,872 | 18,643
Non-interest expense | 35,512 | 30,065
Postretirement Life Insurance [Member] |  |
Schedule Of Employee Benefits [Line Items] |  |
Liability related to these postretirement benefits | 1,423 | 1,387
Postemployment benefit expense | 36 | 57
Postemployment Retirement Benefits [Member] |  |
Schedule Of Employee Benefits [Line Items] |  |
Non-interest expense | 75 | 86
Liability related to these postretirement benefits | 1,986 | 2,148
Officer [Member] | Deferred Compensation, Share-based Payments [Member] |  |
Schedule Of Employee Benefits [Line Items] |  |
Accrued expenses and other liabilities | 1,545 | 1,312
Non-interest expense | 589 | 399
Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits [Member] | Director [Member] |  |
Schedule Of Employee Benefits [Line Items] |  |
Accrued expenses and other liabilities | 2,877 | 2,483
Non-interest expense | $ 143 | $ 178
Minimum | Postemployment Retirement Benefits [Member] |  |
Schedule Of Employee Benefits [Line Items] |  |
Post retirement benefit period | 15 years |
Minimum | Officer [Member] | Deferred Compensation, Share-based Payments [Member] |  |
Schedule Of Employee Benefits [Line Items] |  |
Terms of services | 1 year |
Maximum | Postemployment Retirement Benefits [Member] |  |
Schedule Of Employee Benefits [Line Items] |  |
Post retirement benefit period | 20 years |
Maximum | Officer [Member] | Deferred Compensation, Share-based Payments [Member] |  |
Schedule Of Employee Benefits [Line Items] |  |
Terms of services | 5 years |

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