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Derivative Financial Instruments (Narrative) (Details)
1 Months Ended 12 Months Ended
Dec. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Nov. 07, 2013
USD ($)
derivative
Derivatives, Fair Value [Line Items]        
Collateral required by the bank $ 0 $ 0    
Interest Rate Swap 1 [Member] | Other Liabilities [Member]        
Derivatives, Fair Value [Line Items]        
Notional amount       $ 25,000,000.00
Interest Rate Swap 2 [Member] | Other Liabilities [Member]        
Derivatives, Fair Value [Line Items]        
Notional amount       $ 25,000,000.00
Designated as Hedging Instrument [Member]        
Derivatives, Fair Value [Line Items]        
Number of interest rate swaps held | derivative       2
Description of terms   three-month LIBOR    
Designated as Hedging Instrument [Member] | Interest Rate Swap 1 [Member] | Other Assets [Member]        
Derivatives, Fair Value [Line Items]        
Maturity date   Nov. 09, 2020    
Designated as Hedging Instrument [Member] | Interest Rate Swap 1 [Member] | Other Liabilities [Member]        
Derivatives, Fair Value [Line Items]        
Notional amount 0 $ 0 $ 25,000,000  
Designated as Hedging Instrument [Member] | Interest Rate Swap 2 [Member]        
Derivatives, Fair Value [Line Items]        
Termination fee paid 2,684,000      
Designated as Hedging Instrument [Member] | Interest Rate Swap 2 [Member] | Other Assets [Member]        
Derivatives, Fair Value [Line Items]        
Maturity date   Nov. 07, 2023    
Designated as Hedging Instrument [Member] | Interest Rate Swap 2 [Member] | Other Liabilities [Member]        
Derivatives, Fair Value [Line Items]        
Notional amount $ 0 $ 0 $ 25,000,000