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v3.23.1

Fair value measurements - Narrative (Details) | 3 Months Ended
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Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($)
Fair value measurements on a nonrecurring basis | American Savings Bank (ASB) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Adjustments to fair value of loans held for sale | $ 0 | $ 0
Weighted average discount rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Mortgage revenue bonds, measurement input | 0.0507 |

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- Definition Asset Backed Securities, Measurement Input + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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- Definition Represents the amount of fair value adjustments in loans held for sale. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition 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. + References No definition available. + Details
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- Details
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- Details
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- Details
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