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Derivatives and hedging activities - Effect of Fair Value and Cash Flow Hedge Accounting on Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Derivative Instruments, Gain (Loss) |  |  |
Amount of Gain (Loss) Recognized in OCI Included Component | $ (2,017) |  | $ (47)
Interest income |  |  |
Derivative Instruments, Gain (Loss) |  |  |
Amount of Gain Reclassified from Accumulated OCI into Income | (16) | $ 131 |
Cash Flow Hedge |  |  |
Derivative Instruments, Gain (Loss) |  |  |
Amount of (Loss) Recognized in OCI on Derivative | 1 | (361) |
Amount of Gain (Loss) Recognized in OCI Included Component |  | (439) |
Amount of (Loss) Recognized in OCI Excluded Component | 1 | 78 |
Amount of Gain Reclassified from Accumulated OCI into Income | (16) | 131 |
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income Included Component |  | 147 |
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income Excluded Component | 16 | (16) |
Cash Flow Hedge | Interest rate products | Interest income |  |  |
Derivative Instruments, Gain (Loss) |  |  |
Amount of (Loss) Recognized in OCI on Derivative | 1 | (361) |
Amount of Gain (Loss) Recognized in OCI Included Component |  | (439) |
Amount of (Loss) Recognized in OCI Excluded Component | 1 | 78 |
Amount of Gain Reclassified from Accumulated OCI into Income | (16) | 131 |
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income Included Component |  | 147 |
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income Excluded Component | $ 16 | $ (16) |

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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 No definition available. + Details
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