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v3.23.1

Bank segment - Components of investment securities (Details) $ in Thousands | Mar. 31, 2023 USD ($) issue | Dec. 31, 2022 USD ($) issue
--- | --- | ---
Available-for-sale |  |
Amortized cost | $ 1,645,610 |
Available-for-sale investment securities, at fair value | 1,419,755 | $ 1,429,667
Held-to-maturity |  |
Amortized cost | 1,238,185 | 1,251,747
Held-to-maturity investment securities | 1,158,090 |
American Savings Bank (ASB) |  |
Available-for-sale |  |
Amortized cost | 1,645,610 | 1,678,205
Gross unrealized gains | 1 | 0
Gross unrealized losses | (225,856) | (248,538)
Available-for-sale investment securities, at fair value | $ 1,419,755 | $ 1,429,667
Gross unrealized losses, less than 12 months, number of issues | issue | 26 | 129
Gross unrealized losses, less than 12 months, fair value | $ 98,678 | $ 526,681
Gross unrealized losses, less than 12 months, amount | $ (7,417) | $ (61,147)
Gross unrealized losses, 12 months or longer, number of issues | issue | 175 | 75
Gross unrealized losses, 12 months or longer, fair value | $ 1,305,736 | $ 888,084
Gross unrealized losses, 12 months or more, amount | (218,439) | (187,391)
Held-to-maturity |  |
Amortized cost | 1,238,185 | 1,251,747
Gross unrealized gains | 8,875 | 2,670
Gross unrealized losses | (88,970) | (103,446)
Held-to-maturity investment securities | $ 1,158,090 | $ 1,150,971
Less than 12 months, number of issues | issue | 6 | 23
Less than 12 months, fair value | $ 64,288 | $ 200,503
Less than 12 months, amount | $ (532) | $ (13,815)
12 months or longer, number of issues | issue | 44 | 53
12 months or longer: fair value | $ 480,248 | $ 601,792
12 months or longer, amount | (88,438) | (89,631)
U.S. Treasury and federal agency obligations | American Savings Bank (ASB) |  |
Available-for-sale |  |
Amortized cost | 85,786 | 88,344
Gross unrealized gains | 0 | 0
Gross unrealized losses | (6,042) | (7,281)
Available-for-sale investment securities, at fair value | $ 79,744 | $ 81,063
Gross unrealized losses, less than 12 months, number of issues | issue | 0 | 12
Gross unrealized losses, less than 12 months, fair value | $ 0 | $ 41,201
Gross unrealized losses, less than 12 months, amount | $ 0 | $ (2,120)
Gross unrealized losses, 12 months or longer, number of issues | issue | 14 | 4
Gross unrealized losses, 12 months or longer, fair value | $ 79,744 | $ 39,862
Gross unrealized losses, 12 months or more, amount | (6,042) | (5,161)
Held-to-maturity |  |
Amortized cost | 59,900 | 59,894
Gross unrealized gains | 0 | 0
Gross unrealized losses | (7,172) | (8,478)
Held-to-maturity investment securities | $ 52,728 | $ 51,416
Less than 12 months, number of issues | issue | 0 | 1
Less than 12 months, fair value | $ 0 | $ 16,874
Less than 12 months, amount | $ 0 | $ (3,222)
12 months or longer, number of issues | issue | 3 | 2
12 months or longer: fair value | $ 52,728 | $ 34,542
12 months or longer, amount | (7,172) | (5,256)
Mortgage-backed securities | American Savings Bank (ASB) |  |
Available-for-sale |  |
Amortized cost | 1,500,717 | 1,530,582
Gross unrealized gains | 1 | 0
Gross unrealized losses | (216,783) | (237,614)
Available-for-sale investment securities, at fair value | $ 1,283,935 | $ 1,292,968
Gross unrealized losses, less than 12 months, number of issues | issue | 24 | 113
Gross unrealized losses, less than 12 months, fair value | $ 89,727 | $ 455,836
Gross unrealized losses, less than 12 months, amount | $ (7,367) | $ (56,999)
Gross unrealized losses, 12 months or longer, number of issues | issue | 158 | 70
Gross unrealized losses, 12 months or longer, fair value | $ 1,193,633 | $ 837,132
Gross unrealized losses, 12 months or more, amount | (209,416) | (180,615)
Held-to-maturity |  |
Amortized cost | 1,178,285 | 1,191,853
Gross unrealized gains | 8,875 | 2,670
Gross unrealized losses | (81,798) | (94,968)
Held-to-maturity investment securities | $ 1,105,362 | $ 1,099,555
Less than 12 months, number of issues | issue | 6 | 22
Less than 12 months, fair value | $ 64,288 | $ 183,629
Less than 12 months, amount | $ (532) | $ (10,593)
12 months or longer, number of issues | issue | 41 | 51
12 months or longer: fair value | $ 427,520 | $ 567,250
12 months or longer, amount | (81,266) | (84,375)
Corporate bonds | American Savings Bank (ASB) |  |
Available-for-sale |  |
Amortized cost | 44,341 | 44,377
Gross unrealized gains | 0 | 0
Gross unrealized losses | (3,031) | (3,643)
Available-for-sale investment securities, at fair value | $ 41,310 | $ 40,734
Gross unrealized losses, less than 12 months, number of issues | issue | 2 | 4
Gross unrealized losses, less than 12 months, fair value | $ 8,951 | $ 29,644
Gross unrealized losses, less than 12 months, amount | $ (50) | $ (2,028)
Gross unrealized losses, 12 months or longer, number of issues | issue | 3 | 1
Gross unrealized losses, 12 months or longer, fair value | $ 32,359 | $ 11,090
Gross unrealized losses, 12 months or more, amount | (2,981) | (1,615)
Mortgage revenue bonds | American Savings Bank (ASB) |  |
Available-for-sale |  |
Amortized cost | 14,766 | 14,902
Gross unrealized gains | 0 | 0
Gross unrealized losses | 0 | 0
Available-for-sale investment securities, at fair value | $ 14,766 | $ 14,902
Gross unrealized losses, less than 12 months, number of issues | issue | 0 | 0
Gross unrealized losses, less than 12 months, fair value | $ 0 | $ 0
Gross unrealized losses, less than 12 months, amount | $ 0 | $ 0
Gross unrealized losses, 12 months or longer, number of issues | issue | 0 | 0
Gross unrealized losses, 12 months or longer, fair value | $ 0 | $ 0
Gross unrealized losses, 12 months or more, amount | $ 0 | $ 0

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