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On-Balance Sheet Activities (Narrative) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Derivative [Line Items] |  |
Derivative Asset, Fair Value of Collateral | $ 4,778 | $ 1,353
Not Designated as Hedging Instrument [Member] | Interest Rate Lock Commitments [Member] |  |
Derivative [Line Items] |  |
Notional Amount of undesignated commitments | 3,557 | 618
Not Designated as Hedging Instrument [Member] | Forward Contracts [Member] |  |
Derivative [Line Items] |  |
Notional Amount of undesignated commitments | $ 4,661 | $ 1,332

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