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Bank segment - Income statement data (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Interest expense |  |  |  |  |  |
Provision for credit losses | $ (12,957) |  | $ 10,833 |  | $ (19,992) | $ 20,734
Noninterest income |  |  |  |  |  |
Noninterest income | 604,827 |  | 532,921 |  | 1,146,127 | 1,151,526
Noninterest expense |  |  |  |  |  |
Income before income taxes | 82,944 |  | 60,230 |  | 163,140 | 99,926
Income taxes | 18,599 |  | 10,870 |  | 33,964 | 16,673
Other comprehensive income (loss), net of tax (benefits) | 16,472 | $ (44,016) | (332) | $ 18,212 | (27,544) | 17,880
Comprehensive income attributable to Hawaiian Electric Industries, Inc. | 80,344 |  | 48,555 |  | 100,686 | 100,187
COVID-19 related costs | 100 |  | 3,700 |  | 400 | 3,800
Incremental compensation expense |  |  |  |  |  | 2,300
Enhanced cleaning and sanitation costs |  |  |  |  |  | 1,100
American Savings Bank (ASB) |  |  |  |  |  |
Interest and dividend income |  |  |  |  |  |
Interest and fees on loans | 51,026 |  | 53,541 |  | 100,973 | 109,086
Interest and dividends on investment securities | 11,040 |  | 6,288 |  | 19,713 | 15,718
Total interest and dividend income | 62,066 |  | 59,829 |  | 120,686 | 124,804
Interest expense |  |  |  |  |  |
Interest on deposit liabilities | 1,281 |  | 3,071 |  | 2,743 | 6,658
Interest on other borrowings | 23 |  | 75 |  | 50 | 388
Total interest expense | 1,304 |  | 3,146 |  | 2,793 | 7,046
Net interest income | 60,762 |  | 56,683 |  | 117,893 | 117,758
Provision for credit losses | (12,207) |  | 15,133 |  | (20,642) | 25,534
Net interest income after provision for credit losses | 72,969 |  | 41,550 |  | 138,535 | 92,224
Noninterest income |  |  |  |  |  |
Total noninterest income | 15,194 |  | 24,160 |  | 34,233 | 38,923
Noninterest expense |  |  |  |  |  |
Compensation and employee benefits | 27,670 |  | 25,079 |  | 55,707 | 50,856
Occupancy | 5,100 |  | 5,442 |  | 10,069 | 10,709
Data processing | 4,533 |  | 3,849 |  | 8,884 | 7,686
Services | 2,475 |  | 2,474 |  | 5,337 | 5,283
Equipment | 2,394 |  | 2,290 |  | 4,616 | 4,629
Office supplies, printing and postage | 978 |  | 1,049 |  | 2,022 | 2,390
Marketing | 665 |  | 379 |  | 1,313 | 1,181
FDIC insurance | 788 |  | 751 |  | 1,604 | 853
Other expense | 3,568 |  | 7,063 |  | 6,122 | 11,257
Total noninterest expense | 48,171 |  | 48,376 |  | 95,674 | 94,844
Income before income taxes | 39,992 |  | 17,334 |  | 77,094 | 36,303
Income taxes | 9,708 |  | 3,320 |  | 17,254 | 6,528
Net income attributable to Hawaiian Electric | 30,284 |  | 14,014 |  | 59,840 | 29,775
Other comprehensive income (loss), net of tax (benefits) | 16,999 |  | (280) |  | (28,755) | 19,567
Comprehensive income attributable to Hawaiian Electric Industries, Inc. | 47,283 |  | 13,734 |  | 31,085 | 49,342
American Savings Bank (ASB) | Fees from other financial services |  |  |  |  |  |
Noninterest income |  |  |  |  |  |
Noninterest income | 5,464 |  | 3,102 |  | 10,537 | 7,673
American Savings Bank (ASB) | Fee income on deposit liabilities |  |  |  |  |  |
Noninterest income |  |  |  |  |  |
Noninterest income | 3,904 |  | 2,897 |  | 7,767 | 8,010
American Savings Bank (ASB) | Fee income on other financial products |  |  |  |  |  |
Noninterest income |  |  |  |  |  |
Noninterest income | 2,201 |  | 1,212 |  | 4,643 | 3,084
American Savings Bank (ASB) | Bank-owned life insurance |  |  |  |  |  |
Noninterest income |  |  |  |  |  |
Noninterest income | 1,624 |  | 1,673 |  | 4,185 | 2,467
American Savings Bank (ASB) | Mortgage banking income |  |  |  |  |  |
Noninterest income |  |  |  |  |  |
Noninterest income | 1,925 |  | 6,252 |  | 6,225 | 8,252
American Savings Bank (ASB) | Gain on sale of investment securities, net |  |  |  |  |  |
Noninterest income |  |  |  |  |  |
Noninterest income | 0 |  | 9,275 |  | 528 | 9,275
American Savings Bank (ASB) | Other income, net |  |  |  |  |  |
Noninterest income |  |  |  |  |  |
Noninterest income | $ 76 |  | $ (251) |  | $ 348 | $ 162

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