Short-Term Borrowings (Narrative) (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Short-term Debt [Line Items]
Short-term borrowings	$ 1,017,292,000	$ 639,015,000
FHLB Borrowings [Member]
Short-term Debt [Line Items]
Short-term borrowings	$ 400,000,000	$ 0

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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