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Other Benefit Plans (Schedule of Details of Compensation Arrangements) (Details) - Rabbi Trust $ in Thousands | Dec. 31, 2021 USD ($)
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Defined Benefit Plan Disclosure [Line Items] |
Total compensation agreements | $ 7,708
Supplemental Executive Retirement Agreements |
Defined Benefit Plan Disclosure [Line Items] |
Total compensation agreements | 1,916
Executive Deferred Compensation Agreement |
Defined Benefit Plan Disclosure [Line Items] |
Total compensation agreements | 1,908
Director Deferred Fee Agreement |
Defined Benefit Plan Disclosure [Line Items] |
Total compensation agreements | 116
Executive Employment Agreements |
Defined Benefit Plan Disclosure [Line Items] |
Total compensation agreements | 3,349
Separation Agreement |
Defined Benefit Plan Disclosure [Line Items] |
Total compensation agreements | $ 419

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