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Derivatives and Hedging Activities - Non-designated Hedges (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Gain (Loss) on Fair Value Hedges Recognized in Earnings | $ 474,000 | $ 407,000 |
Interest Rate Swap | Not Designated as Hedging Instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Notional Amount | $ 139,300,000 |  | $ 142,800,000

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