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Employee Benefit Plans (Schedule of Expected Future Benefits Payable) (Details) | Dec. 31, 2019 USD ($)
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Defined Benefit Plan Disclosure [Line Items] |
2020 | $ 3,098,000
2021 | 3,367,000
2022 | 3,766,000
2023 | 4,196,000
2024 | 4,488,000
2025-2029 | 27,343,000
Supplemental Executive Retirement Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
2020 | 291,000
2021 | 344,000
2022 | 752,000
2023 | 829,000
2024 | 826,000
2025-2029 | $ 4,055,000

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