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Leases (Schedule of Operating Lease Term and Discount Rate) (Details) | Dec. 31, 2020 | Dec. 31, 2019
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Leases [Abstract] |  |
Operating Lease, Weighted Average Remaining Lease Term | 11 years 3 months 18 days | 11 years 8 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent | 3.29% | 3.67%

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