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Derivative Instruments and Hedging Activities (Schedule of Distribution of Customer Interest Rate Derivative) (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Derivative [Line Items] |  |
Derivative, Notional Amount | $ 1,876,064 | $ 1,395,135
Swap [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 1,706,064 | 1,375,135
Written options [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 170,000 | $ 20,000

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