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INVESTMENT SECURITIES | 3 Months Ended
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Mar. 31, 2024
INVESTMENT SECURITIES |
INVESTMENT SECURITIES | NOTE 4 — INVESTMENT SECURITIES The following tables summarize the amortized cost and fair value of AFS and HTM debt securities and equity investments and the corresponding amounts of gross unrealized gains and losses recognized in accumulated other comprehensive income (loss) and gross unrecognized gains and losses recognized in earnings (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Unrealized/ | ​ | Unrealized/ | ​ | ​ | ​
​ | ​ | Amortized | ​ | Unrecognized | ​ | Unrecognized | ​ | ​ | ​
At March 31, 2024 |  | Cost |  | Gains |  | Losses |  | Fair Value
Available-for-Sale Securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government agency securities | ​ | $ | 67,998 | ​ | $ | — | ​ | $ | (6,319) | ​ | $ | 61,679
U.S. State and Municipal securities | ​ | ​ | 11,458 | ​ | ​ | — | ​ | ​ | (1,870) | ​ | ​ | 9,588
Residential MBS | ​ | ​ | 451,171 | ​ | ​ | 653 | ​ | ​ | (71,812) | ​ | ​ | 380,012
Commercial MBS | ​ | ​ | 46,266 | ​ | ​ | — | ​ | ​ | (2,873) | ​ | ​ | 43,393
Asset-backed securities | ​ | ​ | 3,167 | ​ | ​ | — | ​ | ​ | (50) | ​ | ​ | 3,117
Total securities available-for-sale | ​ | $ | 580,060 | ​ | $ | 653 | ​ | $ | (82,924) | ​ | $ | 497,789
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Held-to-Maturity Securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Treasury securities | ​ | $ | 29,906 | ​ | $ | — | ​ | $ | (1,330) | ​ | $ | 28,576
U.S. State and Municipal securities | ​ | ​ | 15,507 | ​ | ​ | — | ​ | ​ | (1,746) | ​ | ​ | 13,761
Residential MBS | ​ | ​ | 406,752 | ​ | ​ | — | ​ | ​ | (62,921) | ​ | ​ | 343,831
Commercial MBS | ​ | ​ | 8,084 | ​ | ​ | — | ​ | ​ | (1,072) | ​ | ​ | 7,012
Total securities held-to-maturity | ​ | $ | 460,249 | ​ | $ | — | ​ | $ | (67,069) | ​ | $ | 393,180
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Equity Investments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
CRA Mutual Fund | ​ | $ | 2,425 | ​ | $ | — | ​ | $ | (310) | ​ | $ | 2,115
Total equity investment securities | ​ | $ | 2,425 | ​ | $ | — | ​ | $ | (310) | ​ | $ | 2,115
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Unrealized/ | ​ | Unrealized/ | ​ | ​ | ​
​ | ​ | Amortized | ​ | Unrecognized | ​ | Unrecognized | ​ | ​ | ​
At December 31, 2023 |  | Cost |  | Gains |  | Losses |  | Fair Value
Available-for-Sale Securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government agency securities | ​ | $ | 67,997 | ​ | $ | — | ​ | $ | (6,222) | ​ | $ | 61,775
U.S. State and Municipal securities | ​ | ​ | 11,496 | ​ | ​ | — | ​ | ​ | (1,797) | ​ | ​ | 9,699
Residential MBS | ​ | ​ | 419,331 | ​ | ​ | 1,198 | ​ | ​ | (68,609) | ​ | ​ | 351,920
Commercial MBS | ​ | ​ | 36,879 | ​ | ​ | 71 | ​ | ​ | (2,366) | ​ | ​ | 34,584
Asset-backed securities | ​ | ​ | 3,287 | ​ | ​ | — | ​ | ​ | (58) | ​ | ​ | 3,229
Total securities available-for-sale | ​ | $ | 538,990 | ​ | $ | 1,269 | ​ | $ | (79,052) | ​ | $ | 461,207
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Held-to-Maturity Securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Treasury securities | ​ | $ | 29,895 | ​ | $ | — | ​ | $ | (1,412) | ​ | $ | 28,483
U.S. State and Municipal securities | ​ | ​ | 15,569 | ​ | ​ | — | ​ | ​ | (1,574) | ​ | ​ | 13,995
Residential MBS | ​ | ​ | 415,306 | ​ | ​ | — | ​ | ​ | (60,556) | ​ | ​ | 354,750
Commercial MBS | ​ | ​ | 8,090 | ​ | ​ | — | ​ | ​ | (1,066) | ​ | ​ | 7,024
Total securities held-to-maturity | ​ | $ | 468,860 | ​ | $ | — | ​ | $ | (64,608) | ​ | $ | 404,252
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Equity Investments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
CRA Mutual Fund | ​ | $ | 2,410 | ​ | $ | — | ​ | $ | (287) | ​ | $ | 2,123
Total equity investment securities | ​ | $ | 2,410 | ​ | $ | — | ​ | $ | (287) | ​ | $ | 2,123
​ There were no proceeds from sales or calls of AFS securities for the three months ended March 31, 2024 and 2023. The tables below summarize, by contractual maturity, the amortized cost and fair value of debt securities. The tables do not include the effect of principal repayments or scheduled principal amortization. Equity securities, primarily investments in mutual funds, have been excluded from the table. Expected maturities may differ from contractual maturities if borrowers have the right to call or prepay obligations with or without call or prepayment penalties (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Held-to-Maturity | ​ | Available-for-Sale
At March 31, 2024 |  | Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
Due within 1 year | ​ | $ | 20,021 | ​ | $ | 19,299 | ​ | $ | — | ​ | $ | —
After 1 year through 5 years | ​ | ​ | 17,969 | ​ | ​ | 16,289 | ​ | ​ | 72,958 | ​ | ​ | 67,179
After 5 years through 10 years | ​ | ​ | 1,046 | ​ | ​ | 974 | ​ | ​ | 19,320 | ​ | ​ | 17,724
After 10 years | ​ | ​ | 421,213 | ​ | ​ | 356,618 | ​ | ​ | 487,782 | ​ | ​ | 412,886
Total Securities | ​ | $ | 460,249 | ​ | $ | 393,180 | ​ | $ | 580,060 | ​ | $ | 497,789
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Held-to-Maturity | ​ | Available-for-Sale
At December 31, 2023 |  | Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
Due within 1 year | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | —
After 1 year through 5 years | ​ | ​ | 37,984 | ​ | ​ | 35,507 | ​ | ​ | 65,822 | ​ | ​ | 60,757
After 5 years through 10 years | ​ | ​ | 1,112 | ​ | ​ | 1,044 | ​ | ​ | 22,163 | ​ | ​ | 21,174
After 10 years | ​ | ​ | 429,764 | ​ | ​ | 367,701 | ​ | ​ | 451,005 | ​ | ​ | 379,276
Total Securities | ​ | $ | 468,860 | ​ | $ | 404,252 | ​ | $ | 538,990 | ​ | $ | 461,207
​ At March 31, 2024, there was $180.9 million of securities pledged to support wholesale funding, and to a lesser extent certain other types of deposits, of which $68.1 million was encumbered. At December 31, 2023, there was $845.7 million of securities pledged to support wholesale funding, and to a lesser extent certain other types of deposits, of which $60.0 million was encumbered. At March 31, 2024 and December 31, 2023, there were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of stockholders’ equity. At March 31, 2024 and December 31, 2023, all of the residential MBS and commercial MBS held by the Company were issued by U.S. Government-sponsored entities and agencies. Debt securities with unrealized losses aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, are as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than 12 Months | ​ | 12 Months or More | ​ | Total
​ | ​ | ​ | ​ | ​ | Unrealized/ | ​ | ​ | ​ | ​ | Unrealized/ | ​ | ​ | ​ | ​ | Unrealized/
​ | ​ | Estimated | ​ | Unrecognized | ​ | Estimated | ​ | Unrecognized | ​ | Estimated | ​ | Unrecognized
At March 31, 2024 |  | Fair Value |  | Losses |  | Fair Value |  | Losses |  | Fair Value |  | Losses
Available-for-Sale Securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government agency securities | ​ | $ | — | ​ | $ | — | ​ | $ | 61,679 | ​ | $ | (6,319) | ​ | $ | 61,679 | ​ | $ | (6,319)
U.S. State and Municipal securities | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 9,588 | ​ | ​ | (1,870) | ​ | ​ | 9,588 | ​ | ​ | (1,870)
Residential MBS | ​ | ​ | 51,236 | ​ | ​ | (656) | ​ | ​ | 281,826 | ​ | ​ | (71,156) | ​ | ​ | 333,062 | ​ | ​ | (71,812)
Commercial MBS | ​ | ​ | 30,291 | ​ | ​ | (612) | ​ | ​ | 13,102 | ​ | ​ | (2,261) | ​ | ​ | 43,393 | ​ | ​ | (2,873)
Asset-backed securities | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 3,117 | ​ | ​ | (50) | ​ | ​ | 3,117 | ​ | ​ | (50)
Total securities available-for-sale | ​ | $ | 81,527 | ​ | $ | (1,268) | ​ | $ | 369,312 | ​ | $ | (81,656) | ​ | $ | 450,839 | ​ | $ | (82,924)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Held-to-Maturity Securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Treasury securities | ​ | $ | — | ​ | $ | — | ​ | $ | 28,576 | ​ | $ | (1,330) | ​ | $ | 28,576 | ​ | $ | (1,330)
U.S. State and Municipal securities | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 13,761 | ​ | ​ | (1,746) | ​ | ​ | 13,761 | ​ | ​ | (1,746)
Residential MBS | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 343,831 | ​ | ​ | (62,921) | ​ | ​ | 343,831 | ​ | ​ | (62,921)
Commercial MBS | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 7,012 | ​ | ​ | (1,072) | ​ | ​ | 7,012 | ​ | ​ | (1,072)
Total securities held-to-maturity | ​ | $ | — | ​ | $ | — | ​ | $ | 393,180 | ​ | $ | (67,069) | ​ | $ | 393,180 | ​ | $ | (67,069)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than 12 Months | ​ | 12 Months or More | ​ | Total
​ | ​ | ​ | ​ | ​ | Unrealized/ | ​ | ​ | ​ | ​ | Unrealized/ | ​ | ​ | ​ | ​ | Unrealized/
​ | ​ | Estimated | ​ | Unrecognized | ​ | Estimated | ​ | Unrecognized | ​ | Estimated | ​ | Unrecognized
At December 31, 2023 |  | Fair Value |  | Losses |  | Fair Value |  | Losses |  | Fair Value |  | Losses
Available-for-Sale Securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government agency securities | ​ | $ | — | ​ | $ | — | ​ | $ | 61,775 | ​ | $ | (6,222) | ​ | $ | 61,775 | ​ | $ | (6,222)
U.S. State and Municipal securities | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 9,699 | ​ | ​ | (1,797) | ​ | ​ | 9,699 | ​ | ​ | (1,797)
Residential MBS | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 292,970 | ​ | ​ | (68,609) | ​ | ​ | 292,970 | ​ | ​ | (68,609)
Commercial MBS | ​ | ​ | 10,873 | ​ | ​ | (198) | ​ | ​ | 13,322 | ​ | ​ | (2,168) | ​ | ​ | 24,195 | ​ | ​ | (2,366)
Asset-backed securities | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 3,229 | ​ | ​ | (58) | ​ | ​ | 3,229 | ​ | ​ | (58)
Total securities available-for-sale | ​ | $ | 10,873 | ​ | $ | (198) | ​ | $ | 380,995 | ​ | $ | (78,854) | ​ | $ | 391,868 | ​ | $ | (79,052)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Held-to-Maturity Securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Treasury securities | ​ | $ | — | ​ | $ | — | ​ | $ | 28,483 | ​ | $ | (1,412) | ​ | $ | 28,483 | ​ | $ | (1,412)
U.S. State and Municipal securities | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 13,995 | ​ | ​ | (1,574) | ​ | ​ | 13,995 | ​ | ​ | (1,574)
Residential MBS | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 354,750 | ​ | ​ | (60,556) | ​ | ​ | 354,750 | ​ | ​ | (60,556)
Commercial MBS | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 7,024 | ​ | ​ | (1,066) | ​ | ​ | 7,024 | ​ | ​ | (1,066)
Total securities held-to-maturity | ​ | $ | — | ​ | $ | — | ​ | $ | 404,252 | ​ | $ | (64,608) | ​ | $ | 404,252 | ​ | $ | (64,608)
​ Except for U.S. State and Municipal securities, the Company has a zero loss expectation for its HTM securities portfolio, and therefore has no ACL related to these securities. At March 31, 2024 and December 31, 2023, Obligations of U.S. State and Municipal securities were rated investment grade and the associated ACL was immaterial. AFS securities in unrealized loss positions are evaluated for impairment related to credit losses on a quarterly basis. The unrealized losses on AFS securities are primarily due to the changes in market interest rates subsequent to purchase. In addition, the Company does not intend, nor would it be required, to sell these investments until there is a full recovery of the unrealized loss, which may be at maturity. As a result, no ACL was recognized during the three months ended March 31, 2024 and 2023.

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