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Bank segment (HEI only) - Carrying Amount of Impaired Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Recorded investment: |  |  |
With no related allowance recorded | $ 16,349 | $ 14,072 |
With an allowance recorded | 23,348 | 19,321 |
Recorded investment | 39,697 | 33,393 |
Unpaid principal balance: |  |  |
With no related allowance recorded | 18,372 | 16,041 |
With an allowance recorded | 23,580 | 19,574 |
Unpaid principal balance | 41,952 | 35,615 |
Related Allowance | 2,222 | 2,730 |
Average recorded investment, with no related allowance recorded | 15,630 | 15,378 | $ 22,579
Average recorded investment, with an allowance recorded | 22,360 | 21,160 | 36,398
Average recorded investment | 37,990 | 36,538 | 58,977
Interest income recognized, with no related allowance recorded | 588 | 599 | 783
Interest income recognized, with an allowance recorded | 974 | 1,621 | 1,271
Interest income recognized | 1,562 | 2,220 | 2,054
Residential 1-4 family |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 7,822 | 9,097 |
With an allowance recorded | 8,672 | 9,187 |
Recorded investment | 16,494 | 18,284 |
Unpaid principal balance: |  |  |
With no related allowance recorded | 8,333 | 9,644 |
With an allowance recorded | 8,875 | 9,390 |
Unpaid principal balance | 17,208 | 19,034 |
Related Allowance | 876 | 1,248 |
Average recorded investment, with no related allowance recorded | 8,595 | 9,440 | 10,136
Average recorded investment, with an allowance recorded | 8,878 | 9,818 | 11,589
Average recorded investment | 17,473 | 19,258 | 21,725
Interest income recognized, with no related allowance recorded | 445 | 316 | 324
Interest income recognized, with an allowance recorded | 363 | 493 | 457
Interest income recognized | 808 | 809 | 781
Commercial real estate |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 0 | 0 |
With an allowance recorded | 915 | 1,016 |
Recorded investment | 915 | 1,016 |
Unpaid principal balance: |  |  |
With no related allowance recorded | 0 | 0 |
With an allowance recorded | 915 | 1,016 |
Unpaid principal balance | 915 | 1,016 |
Related Allowance | 7 | 65 |
Average recorded investment, with no related allowance recorded | 0 | 91 | 1,124
Average recorded investment, with an allowance recorded | 982 | 1,241 | 1,962
Average recorded investment | 982 | 1,332 | 3,086
Interest income recognized, with no related allowance recorded | 0 | 11 | 0
Interest income recognized, with an allowance recorded | 42 | 54 | 15
Interest income recognized | 42 | 65 | 15
Home equity line of credit |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 2,743 | 1,496 |
With an allowance recorded | 12,057 | 6,692 |
Recorded investment | 14,800 | 8,188 |
Unpaid principal balance: |  |  |
With no related allowance recorded | 3,004 | 1,789 |
With an allowance recorded | 12,086 | 6,736 |
Unpaid principal balance | 15,090 | 8,525 |
Related Allowance | 701 | 647 |
Average recorded investment, with no related allowance recorded | 2,206 | 1,976 | 1,105
Average recorded investment, with an allowance recorded | 10,617 | 5,045 | 3,765
Average recorded investment | 12,823 | 7,021 | 4,870
Interest income recognized, with no related allowance recorded | 75 | 101 | 23
Interest income recognized, with an allowance recorded | 440 | 251 | 137
Interest income recognized | 515 | 352 | 160
Residential land |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 2,030 | 1,143 |
With an allowance recorded | 29 | 122 |
Recorded investment | 2,059 | 1,265 |
Unpaid principal balance: |  |  |
With no related allowance recorded | 2,228 | 1,434 |
With an allowance recorded | 29 | 122 |
Unpaid principal balance | 2,257 | 1,556 |
Related Allowance | 6 | 47 |
Average recorded investment, with no related allowance recorded | 1,532 | 1,094 | 1,518
Average recorded investment, with an allowance recorded | 37 | 1,308 | 2,964
Average recorded investment | 1,569 | 2,402 | 4,482
Interest income recognized, with no related allowance recorded | 40 | 117 | 66
Interest income recognized, with an allowance recorded | 3 | 97 | 206
Interest income recognized | 43 | 214 | 272
Commercial construction |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 0 | 0 |
With an allowance recorded | 0 | 0 |
Recorded investment | 0 | 0 |
Unpaid principal balance: |  |  |
With no related allowance recorded | 0 | 0 |
With an allowance recorded | 0 | 0 |
Unpaid principal balance | 0 | 0 |
Related Allowance | 0 | 0 |
Average recorded investment, with no related allowance recorded | 0 | 0 | 0
Average recorded investment, with an allowance recorded | 0 | 0 | 0
Average recorded investment | 0 | 0 | 0
Interest income recognized, with no related allowance recorded | 0 | 0 | 0
Interest income recognized, with an allowance recorded | 0 | 0 | 0
Interest income recognized | 0 | 0 | 0
Residential construction |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 0 | 0 |
With an allowance recorded | 0 | 0 |
Recorded investment | 0 | 0 |
Unpaid principal balance: |  |  |
With no related allowance recorded | 0 | 0 |
With an allowance recorded | 0 | 0 |
Unpaid principal balance | 0 | 0 |
Related Allowance | 0 | 0 |
Average recorded investment, with no related allowance recorded | 0 | 0 | 0
Average recorded investment, with an allowance recorded | 0 | 0 | 0
Average recorded investment | 0 | 0 | 0
Interest income recognized, with no related allowance recorded | 0 | 0 | 0
Interest income recognized, with an allowance recorded | 0 | 0 | 0
Interest income recognized | 0 | 0 | 0
Commercial |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 3,722 | 2,328 |
With an allowance recorded | 1,618 | 2,246 |
Recorded investment | 5,340 | 4,574 |
Unpaid principal balance: |  |  |
With no related allowance recorded | 4,775 | 3,166 |
With an allowance recorded | 1,618 | 2,252 |
Unpaid principal balance | 6,393 | 5,418 |
Related Allowance | 628 | 694 |
Average recorded investment, with no related allowance recorded | 3,275 | 2,776 | 8,694
Average recorded investment, with an allowance recorded | 1,789 | 3,691 | 16,106
Average recorded investment | 5,064 | 6,467 | 24,800
Interest income recognized, with no related allowance recorded | 28 | 54 | 370
Interest income recognized, with an allowance recorded | 122 | 723 | 456
Interest income recognized | 150 | 777 | 826
Consumer |  |  |
Recorded investment: |  |  |
With no related allowance recorded | 32 | 8 |
With an allowance recorded | 57 | 58 |
Recorded investment | 89 | 66 |
Unpaid principal balance: |  |  |
With no related allowance recorded | 32 | 8 |
With an allowance recorded | 57 | 58 |
Unpaid principal balance | 89 | 66 |
Related Allowance | 4 | 29 |
Average recorded investment, with no related allowance recorded | 22 | 1 | 2
Average recorded investment, with an allowance recorded | 57 | 57 | 12
Average recorded investment | 79 | 58 | 14
Interest income recognized, with no related allowance recorded | 0 | 0 | 0
Interest income recognized, with an allowance recorded | 4 | 3 | 0
Interest income recognized | $ 4 | $ 3 | $ 0

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