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v3.23.3

Short-Term Borrowings (Narrative) (Details) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 USD ($) Item | Dec. 31, 2022 USD ($) Item
Short-Term Debt [Line Items] |  |
Short-term borrowings | $ 1,425,928 | $ 1,871,271
FHLB Borrowings [Member] |  |
Short-Term Debt [Line Items] |  |
Short-term borrowings | $ 900,000 | $ 1,425,000
FHLB Borrowings [Member] | FHLB Borrowings, Redemption Period One [Member] | Fixed-rate Whole Loan Advances and Term Notes [Member] |  |
Short-Term Debt [Line Items] |  |
Number of fixed rate short-term borrowings | Item | 2 | 1
Short-term maturity year | 2023 | 2023

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