Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of liability hedged in fair value hedging relationship.

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Derivative Instruments and Hedging Activities - Schedule of Carrying Amount and Associated Cumulative Basis Adjustment Related to the Application of Hedge Accounting (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Fair Value Hedges \| Interest-bearing deposits
Derivative [Line Items]
Hedge Accounting Basis Adjustment	$ (15,078)	$ (1,072)	$ (15,480)	$ 7,224
Fair Value Hedges \| Long-term debt
Derivative [Line Items]
Hedge Accounting Basis Adjustment	(14,490)	$ 939	(13,486)	$ 6,365
Interest Rate Contract \| Interest-bearing deposits \| Derivatives Not Designated as Hedging Instruments
Derivative [Line Items]
Hedge Accounting Basis Adjustment			62		$ 1,267
Interest Rate Contract \| Long-term debt \| Derivatives Not Designated as Hedging Instruments
Derivative [Line Items]
Hedge Accounting Basis Adjustment			11,175		9,638
Interest Rate Contract \| Fair Value Hedges \| Interest-bearing deposits \| Designated as Hedging Instrument
Derivative [Line Items]
Carrying Amount of Assets/(Liabilities)	(1,125,933)		(1,125,933)		(2,013,504)
Hedge Accounting Basis Adjustment			36		(8,711)
Interest Rate Contract \| Fair Value Hedges \| Long-term debt \| Designated as Hedging Instrument
Derivative [Line Items]
Carrying Amount of Assets/(Liabilities)	$ (551,399)		(551,399)		(546,872)
Hedge Accounting Basis Adjustment			$ (124)		$ (5,986)