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Goodwill and Other Intangibles (Future Amortization Expense for Amortizable Other Intangible Assets) (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Goodwill and Other Intangibles [Abstract]    
2021 $ 108  
2022 389  
2023 317  
2024 246  
2025 174  
2026 102  
Thereafter 29  
Total amortizing intangible assets $ 1,365 $ 1,719