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Borrowed Funds - Subordinated Notes (Details) - Subordinated notes - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Nov. 06, 2023
Subordinated notes maturing in 2028
Debt Instrument
Interest Rate at September 30, 2024	8.269%	5.90%
Original Issue Amount	$ 300
Variable rate on spread	3.0416%
Subordinated notes maturing in 2030
Debt Instrument
Interest Rate at September 30, 2024	4.125%
Original Issue Amount	$ 150

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