Derivative Instruments and Hedging Activities - Balance sheet related to cumulative basis adjustments for fair value hedges (Details) - Designated as Hedging Instrument - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Derivative Instruments and Hedging Activities
Notional Amount	$ 559,491	$ 456,350
Fair Value Hedging
Derivative Instruments and Hedging Activities
Notional Amount	116,491	242,314
Carrying Amount of Hedged Assets/ Liabilities	120,849	252,863
Cumulative Fair Value Hedging Adjustment in the Carrying Amount of Hedged Assets/ Liabilities	$ 4,358	$ 10,549

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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