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Derivatives - Summary of Non Hedge Instruments (Details) - Not Designated as Hedging Instrument - Interest Rate Swap Agreements
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
Other Assets  
Derivative [Line Items]  
Derivative, Weighted Average Remaining Maturity (Years) 7 years
Derivative Assets, Notional Amount $ 42,657
Derivative Assets, Estimated Value $ 1,399
Other Liabilities  
Derivative [Line Items]  
Derivative, Weighted Average Remaining Maturity (Years) 7 years
Derivative Assets, Notional Amount $ 42,657
Derivative Assets, Estimated Value $ (1,399)