| Schedule of Available-for-sale Investment Securities |
Our available-for-sale investment securities were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | Amortized cost | | Gross unrealized gains | | Gross unrealized losses | | Fair value | | (In thousands) | | March 31, 2026 | | | | | | | | | | | | | | | | | | | Agency bond securities | $ | 179,227 | | | $ | — | | | $ | (22,819) | | | $ | 156,408 | | | Agency mortgage-backed securities | 2,653,604 | | | 2,362 | | | (217,914) | | | 2,438,052 | | | Municipal bonds | 28,132 | | | — | | | (5,609) | | | 22,523 | | | Asset-backed securities | 354,192 | | | 96 | | | (1,317) | | | 352,971 | | | Total investment securities | $ | 3,215,155 | | | $ | 2,458 | | | $ | (247,659) | | | $ | 2,969,954 | | | | | | | | | | | December 31, 2025 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Agency bond securities | $ | 179,227 | | | $ | — | | | $ | (22,252) | | | $ | 156,975 | | | Agency mortgage-backed securities | 2,145,925 | | | 1,392 | | | (212,399) | | | 1,934,918 | | | Municipal bonds | 28,137 | | | — | | | (5,581) | | | 22,556 | | | Asset-backed securities | 354,510 | | | 86 | | | (1,202) | | | 353,394 | | | Total investment securities | $ | 2,707,799 | | | $ | 1,478 | | | $ | (241,434) | | | $ | 2,467,843 | |
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| Schedule of Available-for-sale Securities, Unrealized Loss Position |
As of March 31, 2026 and December 31, 2025, the gross unrealized losses and fair values of available-for-sale investment securities that were in unrealized loss positions were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Less than 12 months | | 12 months or more | | Total fair value | | Total unrealized loss | | Fair value | | Unrealized loss | | Fair value | | Unrealized loss | | | | (In thousands) | | March 31, 2026 | | | | | | | | | | | | | | | Agency bond securities | $ | — | | | $ | — | | | $ | 156,408 | | | $ | (22,819) | | | $ | 156,408 | | | $ | (22,819) | | | Agency mortgage-backed securities | 871,309 | | | (2,839) | | | 1,040,496 | | | (215,075) | | | 1,911,805 | | | (217,914) | | | Municipal bonds | — | | | — | | | 22,522 | | | (5,609) | | | 22,522 | | | (5,609) | | | Asset-backed securities | 305,878 | | | (1,317) | | | — | | | — | | | 305,878 | | | (1,317) | | | Total investment securities | $ | 1,177,187 | | | $ | (4,156) | | | $ | 1,219,426 | | | $ | (243,503) | | | $ | 2,396,613 | | | $ | (247,659) | | | | | | | | | | | | | | | December 31, 2025 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Agency bond securities | $ | — | | | $ | — | | | $ | 156,975 | | | $ | (22,252) | | | $ | 156,975 | | | $ | (22,252) | | | Agency mortgage-backed securities | 504,676 | | | (1,764) | | | 1,049,422 | | | (210,635) | | | 1,554,098 | | | (212,399) | | | Municipal bonds | — | | | — | | | 22,556 | | | (5,581) | | | 22,556 | | | (5,581) | | | Asset-backed securities | 321,811 | | | (1,202) | | | — | | | — | | | 321,811 | | | (1,202) | | | Total investment securities | $ | 826,487 | | | $ | (2,966) | | | $ | 1,228,953 | | | $ | (238,468) | | | $ | 2,055,440 | | | $ | (241,434) | |
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| Schedule of Maturity Dates for Available-for-Sale Investment Securities |
As of March 31, 2026, the contractual maturities of our available-for-sale investment securities were as follows: | | | | | | | | | | | | | Amortized cost | | Fair value | | (In thousands) | | | | | | Due after one year through five years | $ | 139,227 | | | $ | 124,660 | | | Due after five years through ten years | 40,000 | | | 31,748 | | | Due after ten years | 28,132 | | | 22,523 | | | Mortgage and asset-backed securities | 3,007,796 | | | 2,791,023 | | | Total investment securities | $ | 3,215,155 | | | $ | 2,969,954 | |
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