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v3.22.4

Bank segment (HEI only) - Off Balance Sheet Arrangements and Additional Information (Detail) - USD ($) $ in Thousands | 1 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2018 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
American Savings Bank (ASB) |  |  |  |
Guarantees |  |  |  |
Minimum reserve ratio | 1.36% |  |  |
FDIC insurance assessment |  | $ 3,600 | $ 3,200 | $ 2,300
Reserve for Off-balance Sheet Activities |  |  |  |
Guarantees |  |  |  |
Unused commitments to extend credit |  | 2,079,144 | 1,911,729 |
Home equity line of credit |  |  |  |
Guarantees |  |  |  |
Unused commitments to extend credit |  | 1,264,320 | 1,181,496 |
Commercial real estate |  |  |  |
Guarantees |  |  |  |
Unused commitments to extend credit |  | 692,989 | 612,158 |
Consumer |  |  |  |
Guarantees |  |  |  |
Unused commitments to extend credit |  | 85,768 | 62,090 |
Residential 1-4 family |  |  |  |
Guarantees |  |  |  |
Unused commitments to extend credit |  | 20,546 | 44,262 |
Commercial and financial standby letters of credit |  |  |  |
Guarantees |  |  |  |
Unused commitments to extend credit |  | $ 15,521 | $ 11,723 |

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