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Bank segment (HEI only) - Credit Risk Profile Based on Aging Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Credit risk profile based on nonaccrual loans |  |
Nonaccrual loans | $ 23,591 | $ 23,325
Accruing loans 90 days or more past due | 0 | 0
Troubled debt restructured loans not included above | 20,814 | 37,637
Residential 1-4 family |  |
Credit risk profile based on nonaccrual loans |  |
Nonaccrual loans | 12,598 | 11,154
Accruing loans 90 days or more past due | 0 | 0
Troubled debt restructured loans not included above | 10,982 | 14,450
Commercial real estate |  |
Credit risk profile based on nonaccrual loans |  |
Nonaccrual loans | 0 | 223
Accruing loans 90 days or more past due | 0 | 0
Troubled debt restructured loans not included above | 1,016 | 1,346
Home equity line of credit |  |
Credit risk profile based on nonaccrual loans |  |
Nonaccrual loans | 4,466 | 3,080
Accruing loans 90 days or more past due | 0 | 0
Troubled debt restructured loans not included above | 6,584 | 4,934
Residential land |  |
Credit risk profile based on nonaccrual loans |  |
Nonaccrual loans | 841 | 878
Accruing loans 90 days or more past due | 0 | 0
Troubled debt restructured loans not included above | 425 | 2,751
Commercial construction |  |
Credit risk profile based on nonaccrual loans |  |
Nonaccrual loans | 0 | 0
Accruing loans 90 days or more past due | 0 | 0
Troubled debt restructured loans not included above | 0 | 0
Residential construction |  |
Credit risk profile based on nonaccrual loans |  |
Nonaccrual loans | 0 | 0
Accruing loans 90 days or more past due | 0 | 0
Troubled debt restructured loans not included above | 0 | 0
Commercial |  |
Credit risk profile based on nonaccrual loans |  |
Nonaccrual loans | 3,069 | 6,708
Accruing loans 90 days or more past due | 0 | 0
Troubled debt restructured loans not included above | 1,741 | 14,146
Consumer |  |
Credit risk profile based on nonaccrual loans |  |
Nonaccrual loans | 2,617 | 1,282
Accruing loans 90 days or more past due | 0 | 0
Troubled debt restructured loans not included above | $ 66 | $ 10

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