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Investment Securities (Tables) | 12 Months Ended
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Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract] |
Schedule of Held-to-Maturity Investments | A summary of the amortized cost, fair value and allowance for credit losses related to securities held-to-maturity as of December 31, 2024 and December 31, 2023 is presented below.
Held-to-maturity: | Amortized Cost 1 | Allowance for Credit Losses | Net Carrying Amount | Gross Unrealized | Fair Value
(in thousands) | Gains | (Losses)
December 31, 2024 |  |  |  |  |  |
Securities of U.S. government-sponsored enterprises: |  |  |  |  |  |
CMBS issued by FHLMC, FNMA and GNMA | $ | 242,559 |  | $ | — |  | $ | 242,559 |  | $ | — |  | $ | (34,449) |  | $ | 208,110 |
CMOs issued by FHLMC, FNMA and GNMA | 209,748 |  | — |  | 209,748 |  | — |  | (18,492) |  | 191,256 |
MBS pass-through securities issued by FHLMC, FNMA and GNMA | 192,388 |  | — |  | 192,388 |  | — |  | (30,942) |  | 161,446 |
SBA-backed securities | 1,513 |  | — |  | 1,513 |  | — |  | (61) |  | 1,452 |
Debentures of government-sponsored agencies | 141,431 |  | — |  | 141,431 |  | — |  | (22,694) |  | 118,737 |
Obligations of state and political subdivisions | 61,560 |  | — |  | 61,560 |  | — |  | (8,341) |  | 53,219 |
Corporate bonds | 30,000 |  | — |  | 30,000 |  | — |  | (685) |  | 29,315 |
Total held-to-maturity | $ | 879,199 |  | $ | — |  | $ | 879,199 |  | $ | — |  | $ | (115,664) |  | $ | 763,535 |
December 31, 2023 |  |  |  |  |  |
Securities of U.S. government-sponsored enterprises: |  |  |  |  |  |
CMBS issued by FHLMC, FNMA and GNMA | $ | 247,441 |  | $ | — |  | $ | 247,441 |  | $ | — |  | $ | (35,071) |  | $ | 212,370 |
CMOs issued by FHLMC, FNMA and GNMA | 228,761 |  | — |  | 228,761 |  | 28 |  | (16,882) |  | 211,907 |
MBS pass-through securities issued by FHLMC, FNMA and GNMA | 208,983 |  | — |  | 208,983 |  | — |  | (27,326) |  | 181,657 |
SBA-backed securities | 1,853 |  | — |  | 1,853 |  | — |  | (90) |  | 1,763 |
Debentures of government-sponsored agencies | 146,126 |  | — |  | 146,126 |  | — |  | (21,994) |  | 124,132 |
Obligations of state and political subdivisions | 62,034 |  | — |  | 62,034 |  | 47 |  | (7,884) |  | 54,197 |
Corporate bonds | 30,000 |  | — |  | 30,000 |  | — |  | (1,196) |  | 28,804 |
Total held-to-maturity | $ | 925,198 |  | $ | — |  | $ | 925,198 |  | $ | 75 |  | $ | (110,443) |  | $ | 814,830 |
1 Amortized cost and fair values exclude accrued interest receivable of $3.4 million and $3.6 million at December 31, 2024 and 2023, respectively, which is included in interest receivable and other assets in the consolidated statements of condition.
Schedule of Bond Ratings for Held-to-Maturity Securities | The following table summarizes the amortized cost of our portfolio of held-to-maturity securities issued by states and political subdivisions and corporate bonds by Moody's and/or Standard & Poor's bond ratings as of December 31, 2024 and 2023.
| Obligations of state and political subdivisions | Corporate bonds
(in thousands) | December 31, 2024 | December 31, 2023 | December 31, 2024 | December 31, 2023
Aaa / AAA | $ | 42,161 |  | $ | 42,577 |  | $ | — |  | $ | — |
Aa1 / AA+ | 19,399 |  | 19,457 |  | — |  | — |
A2 / A | — |  | — |  | 30,000 |  | 30,000 |
Total | $ | 61,560 |  | $ | 62,034 |  | $ | 30,000 |  | $ | 30,000 |
Schedule of Available-for-Sale Investments | A summary of the amortized cost, fair value and allowance for credit losses related to securities available-for-sale as of December 31, 2024 and 2023 is presented below.
Available-for-sale: | Amortized Cost 1 | Gross Unrealized | Allowance for Credit Losses | Fair Value
(in thousands) | Gains | (Losses)
December 31, 2024 |  |  |  |  |
Securities of U.S. government-sponsored enterprises: |  |  |  |  |
CMBS issued by FHLMC, FNMA and GNMA | $ | 222,862 |  | $ | 154 |  | $ | (4,977) |  | $ | — |  | $ | 218,039 |
CMOs issued by FHLMC, FNMA and GNMA | 42,432 |  | 28 |  | (6,321) |  | — |  | 36,139 |
MBS pass-through securities issued by FHLMC, FNMA and GNMA | 30,498 |  | 2 |  | (4,840) |  | — |  | 25,660 |
SBA-backed securities | 331 |  | — |  | (23) |  | — |  | 308 |
Debentures of government- sponsored agencies | 8,971 |  | — |  | (1,761) |  | — |  | 7,210 |
U.S. Treasury securities | 12,020 |  | — |  | (1,205) |  | — |  | 10,815 |
Obligations of state and political subdivisions | 96,178 |  | — |  | (12,464) |  | — |  | 83,714 |
Corporate bonds | 6,000 |  | — |  | (351) |  | — |  | 5,649 |
Total available-for-sale | $ | 419,292 |  | $ | 184 |  | $ | (31,942) |  | $ | — |  | $ | 387,534 |
December 31, 2023 |  |  |  |  |
Securities of U.S. government-sponsored enterprises: |  |  |  |  |
CMBS issued by FHLMC, FNMA and GNMA | $ | 160,968 |  | $ | — |  | $ | (13,279) |  | $ | — |  | $ | 147,689 |
CMOs issued by FHLMC, FNMA and GNMA | 153,689 |  | — |  | (17,420) |  | — |  | 136,269 |
MBS pass-through securities issued by FHLMC, FNMA and GNMA | 77,680 |  | 2 |  | (9,168) |  | — |  | 68,514 |
SBA-backed securities | 21,126 |  | — |  | (1,655) |  | — |  | 19,471 |
Debentures of government- sponsored agencies | 73,899 |  | — |  | (7,037) |  | — |  | 66,862 |
U.S. Treasury securities | 11,923 |  | — |  | (1,300) |  | — |  | 10,623 |
Obligations of state and political subdivisions | 102,202 |  | 1 |  | (10,321) |  | — |  | 91,882 |
Corporate bonds | 11,992 |  | — |  | (1,274) |  | — |  | 10,718 |
Total available-for-sale | $ | 613,479 |  | $ | 3 |  | $ | (61,454) |  | $ | — |  | $ | 552,028 |
1 Amortized cost and fair value exclude accrued interest receivable of $1.7 million and $2.3 million at December 31, 2024 and 2023, respectively, which is included in interest receivable and other assets in the consolidated statements of condition.
Schedule of Investments Classified by Contractual Maturity Date | The amortized cost and fair value of investment debt securities by contractual maturity at December 31, 2024 and 2023 are shown below. Expected maturities may differ from contractual maturities if the issuers of the securities have the right to call or prepay obligations with or without call or prepayment penalties.
| December 31, 2024 | December 31, 2023
| Held-to-Maturity | Available-for-Sale | Held-to-Maturity | Available-for-Sale
(in thousands) | Amortized Cost | Fair Value | Amortized Cost | Fair Value | Amortized Cost | Fair Value | Amortized Cost | Fair Value
Within one year | $ | 36,476 |  | $ | 36,380 |  | $ | 99,431 |  | $ | 99,258 |  | $ | — |  | $ | — |  | $ | 101 |  | $ | 100 |
After one but within five years | 118,590 |  | 110,857 |  | 106,986 |  | 103,058 |  | 87,887 |  | 84,541 |  | 226,669 |  | 208,444 |
After five years through ten years | 229,040 |  | 191,328 |  | 75,429 |  | 67,940 |  | 304,976 |  | 261,654 |  | 95,552 |  | 85,447 |
After ten years | 495,093 |  | 424,970 |  | 137,446 |  | 117,278 |  | 532,335 |  | 468,635 |  | 291,157 |  | 258,037 |
Total | $ | 879,199 |  | $ | 763,535 |  | $ | 419,292 |  | $ | 387,534 |  | $ | 925,198 |  | $ | 814,830 |  | $ | 613,479 |  | $ | 552,028 |
Schedule of Sale of Investment Securities and Gross Gains and Losses | Sales of investment securities and gross gains and losses for the years ended December 31, 2024, 2023 and 2022 are shown in the following table.
(in thousands) | 2024 | 2023 | 2022
Available-for-sale: |  |  |
Sales proceeds | $ | 292,621 |  | $ | 205,795 |  | $ | 10,664 |
Gross realized gains | $ | — |  | $ | 5 |  | $ | 17 |
Gross realized losses | $ | (32,541) |  | $ | (8,705) |  | $ | (80) |
Sale of equity securities: 1 |  |  |
Sales proceeds | $ | — |  | $ | 2,807 |  | $ | — |
Gross realized gain | $ | — |  | $ | 2,807 |  | $ | — |
1 Refer to VISA Inc. Class B Common Stock section below for more information.
Schedule of Financial Instruments Owned and Pledged as Collateral | The reported values of pledged investment securities are shown in the following table (which includes both encumbered and unencumbered securities).
(in thousands) | December 31, 2024 | December 31, 2023
Pledged to the State of California: |  |
Secure public deposits in compliance with the Local Agency Security Program | $ | 288,385 |  | $ | 287,436 |
Collateral for trust deposits | 1,284 |  | 666 |
Collateral for Wealth Management and Trust Services checking account | 895 |  | 562 |
Total investment securities pledged to the State of California | 290,564 |  | 288,664 |
Bankruptcy trustee deposits pledged with Federal Reserve Bank | 651 |  | 1,151 |
Pledged to FHLB Securities-Backed Credit Program | 284,148 |  | 383,484 |
Pledged to the Federal Reserve Discount Window | 365,759 |  | — |
Pledged to the Federal Reserve "BTFP" | — |  | 265,660 |
Total pledged investment securities | $ | 941,122 |  | $ | 938,959 |
Schedule of Unrealized Loss on Investments | Those securities are summarized and classified according to the duration of the loss period in the tables below.
December 31, 2024 | < 12 continuous months |  | ≥ 12 continuous months |  | Total securities in a loss position
(in thousands) | Fair value | Unrealized loss |  | Fair value | Unrealized loss |  | Fair value | Unrealized loss
Held-to-maturity: |  |  |  |  |  |  |  |
CMBS issued by FHLMC, FNMA and GNMA | $ | — |  | $ | — |  |  | $ | 208,110 |  | $ | (34,449) |  |  | $ | 208,110 |  | $ | (34,449) |
CMOs issued by FHLMC, FNMA and GNMA | 18,451 |  | (1,623) |  |  | 172,805 |  | (16,869) |  |  | 191,256 |  | (18,492) |
MBS pass-through securities issued by FHLMC, FNMA and GNMA | 3,487 |  | (150) |  |  | 157,959 |  | (30,792) |  |  | 161,446 |  | (30,942) |
SBA-backed securities | — |  | — |  |  | 1,452 |  | (61) |  |  | 1,452 |  | (61) |
Debentures of government-sponsored agencies | — |  | — |  |  | 118,737 |  | (22,694) |  |  | 118,737 |  | (22,694) |
Obligations of state and political subdivisions | 5,558 |  | (44) |  |  | 47,661 |  | (8,297) |  |  | 53,219 |  | (8,341) |
Corporate bonds | — |  | — |  |  | 29,315 |  | (685) |  |  | 29,315 |  | (685) |
Total held-to-maturity | $ | 27,496 |  | $ | (1,817) |  |  | $ | 736,039 |  | $ | (113,847) |  |  | $ | 763,535 |  | $ | (115,664) |
Available-for-sale: |  |  |  |  |  |  |  |
CMBS issued by FHLMC, FNMA and GNMA | $ | 129,402 |  | $ | (343) |  |  | $ | 58,065 |  | $ | (4,634) |  |  | $ | 187,467 |  | $ | (4,977) |
CMOs issued by FHLMC, FNMA and GNMA | — |  | — |  |  | 33,749 |  | (6,321) |  |  | 33,749 |  | (6,321) |
MBS pass-through securities issued by FHLMC, FNMA and GNMA | 7 |  | — |  |  | 25,495 |  | (4,840) |  |  | 25,502 |  | (4,840) |
SBA-backed securities | — |  | — |  |  | 309 |  | (23) |  |  | 309 |  | (23) |
Debentures of government-sponsored agencies | — |  | — |  |  | 7,210 |  | (1,761) |  |  | 7,210 |  | (1,761) |
U.S. Treasury securities | — |  | — |  |  | 10,815 |  | (1,205) |  |  | 10,815 |  | (1,205) |
Obligations of state and political subdivisions | — |  | — |  |  | 83,714 |  | (12,464) |  |  | 83,714 |  | (12,464) |
Corporate bonds | — |  | — |  |  | 5,649 |  | (351) |  |  | 5,649 |  | (351) |
Total available-for-sale | $ | 129,409 |  | $ | (343) |  |  | $ | 225,006 |  | $ | (31,599) |  |  | $ | 354,415 |  | $ | (31,942) |
Total securities at a loss position | $ | 156,905 |  | $ | (2,160) |  |  | $ | 961,045 |  | $ | (145,446) |  |  | $ | 1,117,950 |  | $ | (147,606) |
December 31, 2023 | < 12 continuous months |  | > 12 continuous months |  | Total securities in a loss position
(in thousands) | Fair value | Unrealized loss |  | Fair value | Unrealized loss |  | Fair value | Unrealized loss
Held-to-maturity: |  |  |  |  |  |  |  |
CMBS issued by FHLMC, FNMA and GNMA | $ | 10,988 |  | $ | (244) |  |  | $ | 201,383 |  | $ | (34,826) |  |  | $ | 212,371 |  | $ | (35,070) |
CMOs issued by FHLMC, FNMA and GNMA | 51,136 |  | (432) |  |  | 156,515 |  | (16,451) |  |  | 207,651 |  | (16,883) |
MBS pass-through securities issued by FHLMC, FNMA and GNMA | — |  | — |  |  | 181,656 |  | (27,326) |  |  | 181,656 |  | (27,326) |
SBA-backed securities | — |  | — |  |  | 1,763 |  | (90) |  |  | 1,763 |  | (90) |
Debentures of government-sponsored agencies | — |  | — |  |  | 124,132 |  | (21,994) |  |  | 124,132 |  | (21,994) |
Obligations of state and political subdivisions | — |  | — |  |  | 44,437 |  | (7,884) |  |  | 44,437 |  | (7,884) |
Corporate bonds | — |  | — |  |  | 28,804 |  | (1,196) |  |  | 28,804 |  | (1,196) |
Total held-to-maturity | $ | 62,124 |  | $ | (676) |  |  | $ | 738,690 |  | $ | (109,767) |  |  | $ | 800,814 |  | $ | (110,443) |
Available-for-sale: |  |  |  |  |  |  |  |
CMBS issued by FHLMC, FNMA and GNMA | $ | 1,235 |  | $ | (7) |  |  | $ | 146,454 |  | $ | (13,272) |  |  | $ | 147,689 |  | $ | (13,279) |
CMOs issued by FHLMC, FNMA and GNMA | — |  | — |  |  | 136,269 |  | (17,420) |  |  | 136,269 |  | (17,420) |
MBS pass-through securities issued by FHLMC, FNMA and GNMA | — |  | — |  |  | 68,237 |  | (9,168) |  |  | 68,237 |  | (9,168) |
SBA-backed securities | — |  | — |  |  | 19,471 |  | (1,655) |  |  | 19,471 |  | (1,655) |
Debentures of government- sponsored agencies | — |  | — |  |  | 66,862 |  | (7,037) |  |  | 66,862 |  | (7,037) |
U.S. Treasury securities | — |  | — |  |  | 10,623 |  | (1,300) |  |  | 10,623 |  | (1,300) |
Obligations of state and political subdivisions | 666 |  | (1) |  |  | 90,655 |  | (10,320) |  |  | 91,321 |  | (10,321) |
Corporate bonds | — |  | — |  |  | 10,718 |  | (1,274) |  |  | 10,718 |  | (1,274) |
Asset-backed securities | — |  | — |  |  | — |  | — |  |  | — |  | — |
Total available-for-sale | $ | 1,901 |  | $ | (8) |  |  | $ | 549,289 |  | $ | (61,446) |  |  | $ | 551,190 |  | $ | (61,454) |
Total | $ | 64,025 |  | $ | (684) |  |  | $ | 1,287,979 |  | $ | (171,213) |  |  | $ | 1,352,004 |  | $ | (171,897) |

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