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Bank segment (HEI only) - Mortgage Servicing Rights (Details) - American Savings Bank (ASB) - Allowance for mortgage-servicing assets – bank - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | ---
Loans receivable |  |  |  |
Gross carrying amount | $ 18,674 | $ 22,950 |  |
Accumulated amortization | (8,724) | (12,670) |  |
Valuation allowance | 0 | (260) | $ 0 | $ 0
Net carrying amount | $ 9,950 | $ 10,020 | $ 9,101 |

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- Definition Servicing Asset, Accumulated Amortization + References No definition available. + Details
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- Definition Servicing Asset, Net + References No definition available. + Details
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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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- Definition Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 + Details
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- Definition Reflects the estimated amount of impairment as of the balance sheet date of recognized servicing assets that are being amortized in proportion to and over the period of estimated net servicing income or loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746 + Details
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- Details
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- Details
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