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v3.23.3

Bank segment - Components of Investment Securities (Details) $ in Thousands | Sep. 30, 2023 USD ($) issue | Dec. 31, 2022 USD ($) issue
--- | --- | ---
Available-for-sale |  |
Amortized cost | $ 1,559,205 |
Available-for-sale investment securities, at fair value | 1,266,412 | $ 1,429,667
Held-to-maturity |  |
Held-to-maturity investment securities, at amortized cost | 1,212,005 | 1,251,747
Held-to-maturity investment securities | 1,052,221 |
American Savings Bank (ASB) |  |
Available-for-sale |  |
Amortized cost | 1,559,205 | 1,678,205
Gross unrealized gains | 0 | 0
Gross unrealized losses | (292,793) | (248,538)
Available-for-sale investment securities, at fair value | $ 1,266,412 | $ 1,429,667
Gross unrealized losses, less than 12 months, number of issues | issue | 5 | 129
Gross unrealized losses, less than 12 months, fair value | $ 12,650 | $ 526,681
Gross unrealized losses, less than 12 months, amount | $ (3,432) | $ (61,147)
Gross unrealized losses, 12 months or longer, number of issues | issue | 195 | 75
Gross unrealized losses, 12 months or longer, fair value | $ 1,239,268 | $ 888,084
Gross unrealized losses, 12 months or more, amount | (289,361) | (187,391)
Held-to-maturity |  |
Held-to-maturity investment securities, at amortized cost | 1,212,005 | 1,251,747
Gross unrealized gains | 0 | 2,670
Gross unrealized losses | (159,784) | (103,446)
Held-to-maturity investment securities | $ 1,052,221 | $ 1,150,971
Less than 12 months, number of issues | issue | 62 | 23
Less than 12 months, fair value | $ 612,587 | $ 200,503
Less than 12 months, amount | $ (42,892) | $ (13,815)
12 months or longer, number of issues | issue | 44 | 53
12 months or longer: fair value | $ 439,634 | $ 601,792
12 months or longer, amount | (116,892) | (89,631)
U.S. Treasury and federal agency obligations | American Savings Bank (ASB) |  |
Available-for-sale |  |
Amortized cost | 82,252 | 88,344
Gross unrealized gains | 0 | 0
Gross unrealized losses | (7,252) | (7,281)
Available-for-sale investment securities, at fair value | $ 75,000 | $ 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 | $ 75,000 | $ 39,862
Gross unrealized losses, 12 months or more, amount | (7,252) | (5,161)
Held-to-maturity |  |
Held-to-maturity investment securities, at amortized cost | 59,912 | 59,894
Gross unrealized gains | 0 | 0
Gross unrealized losses | (9,541) | (8,478)
Held-to-maturity investment securities | $ 50,371 | $ 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 | $ 50,371 | $ 34,542
12 months or longer, amount | (9,541) | (5,256)
Mortgage-backed securities | American Savings Bank (ASB) |  |
Available-for-sale |  |
Amortized cost | 1,427,186 | 1,530,582
Gross unrealized gains | 0 | 0
Gross unrealized losses | (282,019) | (237,614)
Available-for-sale investment securities, at fair value | $ 1,145,167 | $ 1,292,968
Gross unrealized losses, less than 12 months, number of issues | issue | 5 | 113
Gross unrealized losses, less than 12 months, fair value | $ 12,650 | $ 455,836
Gross unrealized losses, less than 12 months, amount | $ (3,432) | $ (56,999)
Gross unrealized losses, 12 months or longer, number of issues | issue | 178 | 70
Gross unrealized losses, 12 months or longer, fair value | $ 1,132,517 | $ 837,132
Gross unrealized losses, 12 months or more, amount | (278,587) | (180,615)
Held-to-maturity |  |
Held-to-maturity investment securities, at amortized cost | 1,152,093 | 1,191,853
Gross unrealized gains | 0 | 2,670
Gross unrealized losses | (150,243) | (94,968)
Held-to-maturity investment securities | $ 1,001,850 | $ 1,099,555
Less than 12 months, number of issues | issue | 62 | 22
Less than 12 months, fair value | $ 612,587 | $ 183,629
Less than 12 months, amount | $ (42,892) | $ (10,593)
12 months or longer, number of issues | issue | 41 | 51
12 months or longer: fair value | $ 389,263 | $ 567,250
12 months or longer, amount | (107,351) | (84,375)
Corporate bonds | American Savings Bank (ASB) |  |
Available-for-sale |  |
Amortized cost | 35,273 | 44,377
Gross unrealized gains | 0 | 0
Gross unrealized losses | (3,522) | (3,643)
Available-for-sale investment securities, at fair value | $ 31,751 | $ 40,734
Gross unrealized losses, less than 12 months, number of issues | issue | 0 | 4
Gross unrealized losses, less than 12 months, fair value | $ 0 | $ 29,644
Gross unrealized losses, less than 12 months, amount | $ 0 | $ (2,028)
Gross unrealized losses, 12 months or longer, number of issues | issue | 3 | 1
Gross unrealized losses, 12 months or longer, fair value | $ 31,751 | $ 11,090
Gross unrealized losses, 12 months or more, amount | (3,522) | (1,615)
Mortgage revenue bonds | American Savings Bank (ASB) |  |
Available-for-sale |  |
Amortized cost | 14,494 | 14,902
Gross unrealized gains | 0 | 0
Gross unrealized losses | 0 | 0
Available-for-sale investment securities, at fair value | $ 14,494 | $ 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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