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Employee Benefit Plans (Schedule of Expected Future Benefits Payable) (Details)
Dec. 31, 2019
USD ($)
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