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Interest Rate Derivatives - Cumulative Basis Adjustments for Fair Value Hedges (Parenthetical) (Details) - Interest Rate Derivatives [Member] - USD ($) | Jun. 30, 2022 | Dec. 31, 2021
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Available for Sale Securities [Member] |  |
Derivative [Line Items] |  |
Derivative Notional Amount | $ 69,100,000 | $ 61,800,000
Derivative Asset | 5,900,000 | 1,300,000
Loans Receivable [Member] |  |
Derivative [Line Items] |  |
Derivative Asset | 1,100,000 |
Amount of designated hedging item | $ 38,700,000 | $ 41,700,000

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