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Bank segment (HEI only) - Loans Receivable, Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Financing Receivable, Nonaccrual [Line Items] |  |  |
Percentage of benchmark loan to appraisal ratio in excess of which mortgage insurance is required | 80.00% |  |
Minimum benchmark percentage of loan to non-owner occupied residential property purchase | 75.00% |  |
Real estate loans for investors | $ 1,500.0 | $ 1,500.0 | $ 1,500.0
Loans to directors, executive directors, affiliates and any related interest of such individuals | 10.7 | 13.1 |
Loan balances, related interests of individuals who are directors | 10.0 | 10.0 |
Asset Pledged as Collateral with Right |  |  |
Financing Receivable, Nonaccrual [Line Items] |  |  |
Loans and leases receivable before fees, gross | $ 3,000.0 | $ 2,800.0 |

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- Definition Represents the amount of Loan balances, which are related to interests of individuals who are directors of bank. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Represents the amount of Loan balances, which are related to interests of individuals who are directors of bank, executive officers and related interests. + References No definition available. + Details
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- Definition Represents the minimum benchmark percentage of loan to appraisal ratio which mortgage insurance is required as per the policy of the reporting entity. + References No definition available. + Details
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- Definition Minimum Benchmark Percentage of Loan to Non-Owner Occupied Residential Property Purchased + References No definition available. + Details
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- Definition Real estate loans serviced for investors. + 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 Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
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- Details
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