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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
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Derivative [Line Items]    
Derivative, Weighted Average Remaining Maturity (Years) 8 years 1 month 6 days 8 years 3 months 18 days
Derivative Liability, Notional Amount $ 14,276 $ 14,334
Derivative Liability, Estimated Value $ (1,013) $ (2,892)