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Fair Value Measurements And Fair Values Of Financial Instruments (Narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Fair Value Measurements And Fair Values Of Financial Instruments [Abstract]    
Derivative liabilities $ 4,000 $ 3,000
Assets, Fair Value Disclosure 0  
Total liabilities 0  
Partial charge-offs on impaired loans $ 0