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Derivatives and hedging activities - Effect of Fair Value and Cash Flow Hedge Accounting on Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Derivative Instruments, Gain (Loss)
Amount of (Loss) Recognized in OCI Included Component	$ (239)	$ (871)
Amount of (Loss) Reclassified from Accumulated OCI into Income		(48)
Interest income
Derivative Instruments, Gain (Loss)
Amount of (Loss) Reclassified from Accumulated OCI into Income			$ 212
Cash Flow Hedge
Derivative Instruments, Gain (Loss)
Amount of (Loss) Recognized in OCI on Derivative		(1)
Amount of (Loss) Recognized in OCI Excluded Component		(1)
Amount of (Loss) Reclassified from Accumulated OCI into Income		(48)
Amount of (Loss) Reclassified from Accumulated OCI into Income Excluded Component		(48)
Cash Flow Hedge | Interest rate products | Interest income
Derivative Instruments, Gain (Loss)
Amount of (Loss) Recognized in OCI on Derivative		(1)
Amount of (Loss) Recognized in OCI Excluded Component		(1)
Amount of (Loss) Reclassified from Accumulated OCI into Income		(48)
Amount of (Loss) Reclassified from Accumulated OCI into Income Excluded Component		$ (48)

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- Definition

Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge excluded in assessment of hedge effectiveness.

+ References

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-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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The loss relating to components of the gain (loss) on the cash flow hedging instrument excluded from the assessment of cash flow hedge effectiveness. Recognized in earnings.

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Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent.

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