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v3.22.4

Bank segment (HEI only) - Capital And Ratio (Details) - American Savings Bank (ASB) $ in Thousands | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Tier 1 leverage, actual capital | $ 750,851 | $ 714,789
Tier 1 leverage, actual ratio | 0.0778 | 0.0786
Tier 1 leverage, required capital | $ 386,265 | $ 363,630
Tier 1 leverage, required ratio | 0.0400 | 0.0400
Tier 1 leverage, required to be well capitalized capital | $ 482,831 | $ 454,538
Tier 1 leverage, required to be well capitalized ratio | 0.0500 | 0.0500
Common equity tier 1, actual capital | $ 750,851 | $ 714,789
Common equity tier 1, actual ratio | 12.15% | 13.29%
Common equity tier 1, required capital | $ 278,076 | $ 242,072
Common equity tier 1, required ratio | 4.50% | 4.50%
Common equity tier 1, required to be well capitalized, capital | $ 401,665 | $ 349,659
Common equity tier 1, required to be well capitalized, ratio | 6.50% | 6.50%
Tier 1 capital, actual capital | $ 750,851 | $ 714,789
Tier 1 capital, actual ratio | 0.1215 | 0.1329
Tier 1 capital, required capital | $ 370,767 | $ 322,762
Tier 1 capital, required ratio | 0.0600 | 0.0600
Tier 1 capital, required to be well capitalized, capital | $ 494,356 | $ 430,350
Tier 1 capital, required to be well capitalized, ratio | 0.0800 | 0.0800
Total capital, actual capital | $ 811,729 | $ 769,836
Total capital, actual ratio | 0.1314 | 0.1431
Total capital, required capital | $ 494,356 | $ 430,350
Total capital, required ratio | 0.0800 | 0.0800
Total capital, required to be well capitalized, capital | $ 617,946 | $ 537,937
Total capital, required to be well capitalized, ratio | 0.1000 | 0.1000

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- Definition Amount of total capital as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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