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Securities | 12 Months Ended
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Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract] |
Securities | Note 3 - Securities The amortized cost, gross unrealized gains and losses and fair value of AFS and HTM securities at December 31, 2024 and December 31, 2023 are summarized as follows:
|  | December 31, 2024
(In thousands) |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Available-for-Sale Debt Securities |  |  |  |  |  |  |  |
U.S. Treasury securities and obligations of U.S. government agencies |  | $ | 28,233 |  |  | $ | 29 |  |  | $ | (522) |  |  | $ | 27,740 |
Residential mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | 1,777,274 |  |  | 1,237 |  |  | (190,536) |  |  | 1,587,975 |
Commercial mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | 206,537 |  |  | 1,195 |  |  | (10,283) |  |  | 197,449 |
Private mortgage-backed securities and collateralized mortgage obligations |  | 129,475 |  |  | 149 |  |  | (8,382) |  |  | 121,242 |
Collateralized loan obligations |  | 278,342 |  |  | 788 |  |  | (166) |  |  | 278,964 |
Obligations of state and political subdivisions |  | 7,139 |  |  | — |  |  | (1,449) |  |  | 5,690 |
Other Debt Securities |  | 7,389 |  |  | 94 |  |  | — |  |  | 7,483 |
Totals |  | $ | 2,434,389 |  |  | $ | 3,492 |  |  | $ | (211,338) |  |  | $ | 2,226,543 |
Held-to-Maturity Debt Securities |  |  |  |  |  |  |  |
Residential mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | $ | 546,444 |  |  | $ | — |  |  | $ | (117,620) |  |  | $ | 428,824 |
Commercial mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | 88,742 |  |  | — |  |  | (9,972) |  |  | 78,770 |
Totals |  | $ | 635,186 |  |  | $ | — |  |  | $ | (127,592) |  |  | $ | 507,594 |
|  | December 31, 2023
(In thousands) |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Available-for-Sale Debt Securities |  |  |  |  |  |  |  |
U.S. Treasury securities and obligations of U.S. government agencies |  | $ | 37,718 |  |  | $ | 205 |  |  | $ | (478) |  |  | $ | 37,445 |
Residential mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | 1,152,753 |  |  | 780 |  |  | (184,152) |  |  | 969,381 |
Commercial mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | 385,013 |  |  | 2,824 |  |  | (19,565) |  |  | 368,272 |
Private mortgage-backed securities and collateralized mortgage obligations |  | 135,878 |  |  | 36 |  |  | (10,911) |  |  | 125,003 |
Collateralized loan obligations |  | 300,855 |  |  | 11 |  |  | (1,411) |  |  | 299,455 |
Obligations of state and political subdivisions |  | 10,486 |  |  | — |  |  | (1,096) |  |  | 9,390 |
Other debt securities |  | 26,599 |  |  | 576 |  |  | (101) |  |  | 27,074 |
Totals |  | $ | 2,049,302 |  |  | $ | 4,432 |  |  | $ | (217,714) |  |  | $ | 1,836,020 |
Held-to-Maturity Debt Securities |  |  |  |  |  |  |  |
Residential mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | $ | 590,676 |  |  | $ | — |  |  | $ | (111,746) |  |  | $ | 478,930 |
Commercial mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | 89,637 |  |  | — |  |  | (10,208) |  |  | 79,429 |
Totals |  | $ | 680,313 |  |  | $ | — |  |  | $ | (121,954) |  |  | $ | 558,359 |
During the year ended December 31, 2024, debt securities with a fair value of $217.0 million were sold, with gross losses of $12.0 million. During 2023, debt securities with a fair value of $22.1 million obtained in the acquisition of Professional were sold. No gain or loss was recognized on the sale. There were $91.3 million in other sales of securities during 2023, with gross gains of $25 thousand and gross losses of $3.0 million. During 2022, debt securities with a fair value of $515.2 million obtained in bank acquisitions were sold. No gain or loss was recognized on these sales, and there were no other sales of securities in 2022. Also included in “Securities losses, net” is a decrease of $0.1 million in 2024, an increase of $42 thousand in 2023 and a decrease of $1.1 million in 2022 in the value of investments in mutual funds that invest in CRA-qualified debt securities. At December 31, 2024, debt securities with a fair value of $1.4 billion were pledged primarily as collateral for public deposits and secured borrowings. The amortized cost and fair value of securities HTM and AFS at December 31, 2024, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because prepayments of the underlying collateral for these securities may occur, due to the right to call or repay obligations with or without call or prepayment penalties. Securities not due at a single maturity date are shown separately.
|  | Held-to-Maturity |  | Available-for-Sale
(In thousands) |  | Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
Due in less than one year |  | $ | — |  |  | $ | — |  |  | $ | 1 |  |  | $ | 1 |
Due after one year through five years |  | — |  |  | — |  |  | 6,288 |  |  | 6,283 |
Due after five years through ten years |  | — |  |  | — |  |  | 7,306 |  |  | 7,226 |
Due after ten years |  | — |  |  | — |  |  | 21,777 |  |  | 19,920 |
|  | $ | — |  |  | $ | — |  |  | $ | 35,372 |  |  | $ | 33,430 |
Residential mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | $ | 546,444 |  |  | $ | 428,824 |  |  | $ | 1,777,274 |  |  | $ | 1,587,975 |
Commercial mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | 88,742 |  |  | 78,770 |  |  | 206,537 |  |  | 197,449 |
Private mortgage-backed securities and collateralized mortgage obligations |  | — |  |  | — |  |  | 129,475 |  |  | 121,242 |
Collateralized loan obligations |  | — |  |  | — |  |  | 278,342 |  |  | 278,964 |
Other debt securities |  | — |  |  | — |  |  | 7,389 |  |  | 7,483 |
Totals |  | $ | 635,186 |  |  | $ | 507,594 |  |  | $ | 2,434,389 |  |  | $ | 2,226,543 |
The estimated fair value of a security is determined based on market quotations when available or, if not available, by using quoted market prices for similar securities, pricing models, discounted cash flows analyses, or using observable market data. The tables below indicate the fair value of AFS debt securities with unrealized losses for which no allowance for credit losses has been recorded.
|  | December 31, 2024
|  | Less than 12 months |  | 12 months or longer |  | Total 1
(In thousands) |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
U.S. Treasury securities and obligations of U.S. government agencies |  | $ | 4,825 |  |  | $ | (13) |  |  | $ | 18,060 |  |  | $ | (509) |  |  | $ | 22,885 |  |  | $ | (522) |
Residential mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | 648,967 |  |  | (7,578) |  |  | 739,363 |  |  | (182,958) |  |  | 1,388,330 |  |  | (190,536) |
Commercial mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | 13,200 |  |  | (222) |  |  | 107,041 |  |  | (10,061) |  |  | 120,241 |  |  | (10,283) |
Private mortgage-backed securities and collateralized mortgage obligations |  | 7,178 |  |  | (16) |  |  | 101,242 |  |  | (8,366) |  |  | 108,420 |  |  | (8,382) |
Collateralized loan obligations |  | 43,410 |  |  | (152) |  |  | 7,596 |  |  | (14) |  |  | 51,006 |  |  | (166) |
Obligations of state and political subdivisions |  | 319 |  |  | (15) |  |  | 5,371 |  |  | (1,434) |  |  | 5,690 |  |  | (1,449) |
Totals |  | $ | 717,899 |  |  | $ | (7,996) |  |  | $ | 978,673 |  |  | $ | (203,342) |  |  | $ | 1,696,572 |  |  | $ | (211,338) |
1 Comprised of 377 individual securities
|  | December 31, 2023
|  | Less than 12 months |  | 12 months or longer |  | Total 1
(In thousands) |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
U.S. Treasury securities and obligations of U.S. government agencies |  | $ | 24,933 |  |  | $ | (143) |  |  | $ | 3,594 |  |  | $ | (335) |  |  | $ | 28,527 |  |  | $ | (478) |
Residential mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | 91,867 |  |  | (9,320) |  |  | 826,324 |  |  | (174,832) |  |  | 918,191 |  |  | (184,152) |
Commercial mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  | 24,251 |  |  | (1,270) |  |  | 262,666 |  |  | (18,295) |  |  | 286,917 |  |  | (19,565) |
Private mortgage-backed securities and collateralized mortgage obligations |  | 3,945 |  |  | (69) |  |  | 119,475 |  |  | (10,842) |  |  | 123,420 |  |  | (10,911) |
Collateralized loan obligations |  | 60,087 |  |  | (223) |  |  | 232,545 |  |  | (1,188) |  |  | 292,632 |  |  | (1,411) |
Obligations of state and political subdivisions |  | 326 |  |  | (2) |  |  | 9,064 |  |  | (1,094) |  |  | 9,390 |  |  | (1,096) |
Other debt securities |  | 10,579 |  |  | (101) |  |  | — |  |  | — |  |  | 10,579 |  |  | (101) |
Totals |  | $ | 215,988 |  |  | $ | (11,128) |  |  | $ | 1,453,668 |  |  | $ | (206,586) |  |  | $ | 1,669,656 |  |  | $ | (217,714) |
1 Comprised of 504 individual securities
At December 31, 2024, the Company had unrealized losses of $0.5 million on U.S. Treasury securities and obligations of U.S. government agencies having a fair value of $22.9 million. These securities are either explicitly or implicitly guaranteed by the full faith and credit of the U.S. government. The Company does not expect individual securities issued by the U.S. Treasury, a U.S. agency, or a sponsored U.S. agency to incur future losses of principal. Based on the assessment of all relevant factors, the Company believes that the unrealized loss positions on these debt securities are a function of changes in investment spreads and interest rate movements and not changes in credit quality, and expects to recover the entire amortized cost basis of these securities. Therefore, at December 31, 2024, no allowance for credit losses has been recorded. At December 31, 2024, the Company had unrealized losses of $200.8 million on commercial and residential mortgage-backed securities and collateralized mortgage obligations issued by government-sponsored entities having a fair value of $1.5 billion. These securities are either explicitly or implicitly guaranteed by the U.S. government and have a long history of no credit losses. The implied government guarantee of principal and interest payments and the high credit rating of the portfolio provide a sufficient basis for the current expectation that there is no risk of loss if default were to occur. Based on the assessment of all relevant factors, the Company believes that the unrealized loss positions on these debt securities are a function of changes in investment spreads and interest rate movements and not changes in credit quality and expects to recover the entire amortized cost basis of these securities. Therefore, at December 31, 2024, no allowance for credit losses has been recorded. At December 31, 2024, the Company had $8.4 million of unrealized losses on private label residential and commercial mortgage-backed securities and collateralized mortgage obligations having a fair value of $108.4 million. The securities have weighted average credit support of 22%. Of the $108.4 million, $99.0 million are private label residential securities with unrealized losses of $8.2 million and $9.4 million are private label commercial securities with unrealized losses of $0.2 million. Based on the evaluation of available information relevant to collectibility, the Company believes that the unrealized loss positions on these debt securities are a function of changes in investment spreads and interest rate movements and not changes in credit quality and expects to recover the entire amortized cost basis of these securities. Therefore, at December 31, 2024, no allowance for credit losses has been recorded. At December 31, 2024, the Company had $0.2 million of unrealized losses in floating rate CLOs having a fair value of $51.0 million. CLOs are special purpose vehicles and those in which the Company has invested are nearly all first-lien, broadly syndicated corporate loans across a diversified band of industries while providing support to senior tranche investors. As of December 31, 2024, all positions held by the Company are in AAA and AA tranches, with weighted average credit support of 36% and 31%, respectively. The Company evaluates the securities for potential credit losses by modeling expected loan-level defaults, recoveries, and prepayments for each CLO security. Based on the evaluation of available information relevant to collectibility, the Company believes that the unrealized loss positions on these debt securities are a function of changes in investment spreads and interest rate movement and not changes in credit quality and expects to recover the entire amortized cost basis of these securities. Therefore, at December 31, 2024, no allowance for credit losses has been recorded. At December 31, 2024, the Company had $1.4 million of unrealized losses on municipal securities having a fair value of $5.7 million. These securities are highly rated issuances of state or local municipalities, all of which are continuing to make timely contractual payments. Based on the evaluation of available information relevant to collectibility, the Company believes that the unrealized loss positions on these debt securities are a function of changes in investment spreads and interest rate movements and not changes in credit quality and expects to recover the entire amortized cost basis of these securities. As a result, as of December 31, 2024, no allowance for credit losses has been recorded. All HTM debt securities are issued by government-sponsored entities, which are either explicitly or implicitly guaranteed by the U.S. government and have a long history of no credit losses. The implied government guarantee of principal and interest payments and the high credit rating of the HTM portfolio provide sufficient basis for the current expectation that there is no risk of loss if a default were to occur. As a result, as of December 31, 2024, no allowance for credit losses has been recorded. The Company has the intent and ability to hold these securities until maturity. Included in Other Assets at December 31, 2024 and December 31, 2023, is $77.3 million and $67.7 million, respectively, of FHLB and FRB stock stated at par value. The Company has not identified events or changes in circumstances which may have a significant adverse effect on the fair value of these cost method investment securities. Accrued interest receivable on AFS and HTM debt securities of $9.2 million and $1.0 million, respectively, at December 31, 2024, and $7.9 million and $1.1 million, respectively, at December 31, 2023, is included in Other Assets. Also included in Other Assets are investments in CRA-qualified mutual funds carried at fair value of $13.5 million and $13.6 million at December 31, 2024 and December 31, 2023, respectively. At December 31, 2023, the Company held 11,330 shares of Visa Class B stock. During 2024, the Company sold all of its Visa Class B stock, receiving net proceeds of $4.1 million. The ownership of Visa stock was related to prior ownership in Visa's network while Visa operated as a cooperative and was recorded on the Company's financial records at a zero basis.

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