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v3.23.3

Fair value measurements - Carrying or Notional Amount, Fair Value and Placement in the Fair Value Hierarchy of the Company’s Financial Instruments (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Financial assets |  |
Available-for-sale investment securities | $ 1,266,412 | $ 1,429,667
Held-to-maturity investment securities | 1,052,221 |
Financial liabilities |  |
Short-term borrowings—other than bank | 0 | 172,568
Other bank borrowings | 750,000 | 695,120
Carrying or notional amount |  |
Financial assets |  |
Available-for-sale investment securities | 1,266,412 | 1,429,667
Held-to-maturity investment securities | 1,212,005 | 1,251,747
Loans, net | 6,116,811 | 5,907,514
Mortgage servicing rights | 8,376 | 9,047
Derivative assets | 19,044 | 16,220
Financial liabilities |  |
Deposit liabilities | 1,050,692 | 611,718
Short-term borrowings—other than bank |  | 172,568
Other bank borrowings | 750,000 | 695,120
Long-term debt, net | 2,944,589 | 2,384,980
Derivative liabilities | 22,949 | 22,949
Carrying or notional amount | Hawaiian Electric Company, Inc. and Subsidiaries |  |
Financial liabilities |  |
Short-term borrowings |  | 87,967
Long-term debt, net | 2,034,040 | 1,684,816
Estimated fair value |  |
Financial assets |  |
Available-for-sale investment securities | 1,266,412 | 1,429,667
Held-to-maturity investment securities | 1,052,221 | 1,150,971
Loans, net | 5,543,986 | 5,454,202
Mortgage servicing rights | 18,867 | 17,646
Derivative assets | 1,365 | 1,348
Financial liabilities |  |
Deposit liabilities | 1,035,501 | 597,617
Short-term borrowings—other than bank |  | 172,568
Other bank borrowings | 743,366 | 695,095
Long-term debt, net | 2,120,573 | 2,122,605
Derivative liabilities | 1,344 | 472
Estimated fair value | Hawaiian Electric Company, Inc. and Subsidiaries |  |
Financial liabilities |  |
Short-term borrowings |  | 87,967
Long-term debt, net | 1,400,901 | 1,487,496
Estimated fair value | Quoted prices in active markets for identical assets (Level 1) |  |
Financial assets |  |
Available-for-sale investment securities | 0 | 0
Held-to-maturity investment securities | 0 | 0
Loans, net | 0 | 0
Mortgage servicing rights | 0 | 0
Derivative assets | 15 | 18
Financial liabilities |  |
Deposit liabilities | 0 | 0
Short-term borrowings—other than bank |  | 0
Other bank borrowings | 0 | 0
Long-term debt, net | 0 | 0
Derivative liabilities | 0 | 0
Estimated fair value | Quoted prices in active markets for identical assets (Level 1) | Hawaiian Electric Company, Inc. and Subsidiaries |  |
Financial liabilities |  |
Short-term borrowings |  | 0
Long-term debt, net | 0 | 0
Estimated fair value | Significant other observable inputs (Level 2) |  |
Financial assets |  |
Available-for-sale investment securities | 1,251,918 | 1,414,765
Held-to-maturity investment securities | 1,052,221 | 1,150,971
Loans, net | 2,174 | 821
Mortgage servicing rights | 0 | 0
Derivative assets | 1,350 | 1,330
Financial liabilities |  |
Deposit liabilities | 1,035,501 | 597,617
Short-term borrowings—other than bank |  | 172,568
Other bank borrowings | 743,366 | 695,095
Long-term debt, net | 2,120,573 | 2,122,605
Derivative liabilities | 1,344 | 472
Estimated fair value | Significant other observable inputs (Level 2) | Hawaiian Electric Company, Inc. and Subsidiaries |  |
Financial liabilities |  |
Short-term borrowings |  | 87,967
Long-term debt, net | 1,400,901 | 1,487,496
Estimated fair value | Significant unobservable inputs (Level 3) |  |
Financial assets |  |
Available-for-sale investment securities | 14,494 | 14,902
Held-to-maturity investment securities | 0 | 0
Loans, net | 5,541,812 | 5,453,381
Mortgage servicing rights | 18,867 | 17,646
Derivative assets | 0 | 0
Financial liabilities |  |
Deposit liabilities | 0 | 0
Short-term borrowings—other than bank |  | 0
Other bank borrowings | 0 | 0
Long-term debt, net | 0 | 0
Derivative liabilities | 0 | 0
Estimated fair value | Significant unobservable inputs (Level 3) | Hawaiian Electric Company, Inc. and Subsidiaries |  |
Financial liabilities |  |
Short-term borrowings |  | 0
Long-term debt, net | $ 0 | $ 0

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