Derivatives and Hedging Activities - Schedule of Cumulative Basis Adjustments (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Derivatives, Fair Value [Line Items]
Cumulative Amount of Fair Value Hedging Adjustments Included in the Carrying Amount of the Hedged Assets (Liabilities)	$ 276
Deposits
Derivatives, Fair Value [Line Items]
Carrying Amount of the Hedged Assets (Liabilities)	(376,614)	$ (389,295)
Deposits
Derivatives, Fair Value [Line Items]
Cumulative Amount of Fair Value Hedging Adjustments Included in the Carrying Amount of the Hedged Assets (Liabilities)	$ 13,386	$ 705

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Net fair value of all derivative instruments designated as fair value hedging instruments.

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Amount of cumulative increase (decrease) in fair value of hedged asset in fair value hedge, attributable to hedged risk. Excludes cumulative basis adjustment related to foreign exchange risk.

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