Bank segment - Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Derivative instrument
Derivative, gain (loss), statement of income or comprehensive income	Revenues	Revenues
Derivative Financial Instruments Not Designated as Hedging Instruments
Derivative instrument
Asset derivatives	$ 35		$ 27
Liability derivatives	4		0
Net gains (losses) recognized in the Statement of Income	4	$ (477)
Interest rate lock commitments
Derivative instrument
Notional amount	2,467		1,720
Fair value	26		9
Interest rate lock commitments \| Derivative Financial Instruments Not Designated as Hedging Instruments
Derivative instrument
Asset derivatives	26		9
Liability derivatives	0		0
Net gains (losses) recognized in the Statement of Income	17	(655)
Forward commitments
Derivative instrument
Notional amount	2,250		1,500
Fair value	5		18
Forward commitments \| Derivative Financial Instruments Not Designated as Hedging Instruments
Derivative instrument
Asset derivatives	9		18
Liability derivatives	4		$ 0
Net gains (losses) recognized in the Statement of Income	$ (13)	$ 178

Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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- Definition

Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

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- Definition

Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative.

+ References

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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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Nominal or face amount used to calculate payment on derivative.

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