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Interest Rate Swaps (Narrative) (Details)
12 Months Ended
Dec. 31, 2020
USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]  
Effect on earnings $ 0
Interest Rate Contract [Member]  
Derivative Instruments and Hedging Activities Disclosures [Line Items]  
Pledged cash as collateral 350,000
Derivative Asset $ 276,000