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Derivatives - Schedule of Derivative Instruments (Details) - Fair Value Hedging - Designated As Hedging Instrument - Interest Rate Swap Agreements - Other Liabilities - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Derivative [Line Items]    
Derivative, Weighted Average Remaining Maturity (Years) 8 years 3 months 18 days 9 years 3 months 18 days
Derivative Liability, Notional Amount $ 14,334 $ 14,748
Derivative Liability, Estimated Value $ (2,892) $ (325)