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Derivative and Hedging Activities Cumulative Basis Adjustment for Fair Value Hedges (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Carrying amount excluded for foreign currency loans | $ 382,000 | $ 421,000
Derivative Financial Instruments, Liabilities [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative Liability, Notional Amount | (1,149,290) | (1,138,921)
Fair Value Hedging [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) | 710 | 11,079
Long-Term Debt [Member] | Derivative Financial Instruments, Liabilities [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative Liability, Notional Amount | (552,832) | (548,634)
Long-Term Debt [Member] | Fair Value Hedging [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) | (2,832) | 1,366
Federal Home Loan Bank Advances [Member] | Derivative Financial Instruments, Liabilities [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative Liability, Notional Amount | (596,459) | (590,287)
Federal Home Loan Bank Advances [Member] | Fair Value Hedging [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) | $ 3,541 | $ 9,713

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