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SECURITIES | 3 Months Ended
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Mar. 31, 2024
Investments, Debt and Equity Securities [Abstract] |
SECURITIES | SECURITIES Debt Securities The amortized cost and fair values of debt securities, with gross unrealized gains and losses and allowance for credit losses, are as follows:
|  | March 31, 2024
(dollars in thousands) |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Allowance for Credit Losses |  | Fair Value
Available-for-sale: |  |
U.S. Treasury |  | $ | 149,697 |  | $ | — |  | $ | (11,511) |  |  | $ | — |  | $ | 138,186
U.S. government agency |  | 53,836 |  | — |  | (3,377) |  |  | — |  | 50,459
Municipal |  | 156,403 |  | 1 |  | (21,756) |  |  | — |  | 134,648
Mortgage-backed: |  |  |  |  |  |  |  |  |  |
Agency residential |  | 183,553 |  | 51 |  | (15,058) |  |  | — |  | 168,546
Agency commercial |  | 138,873 |  | 2 |  | (14,400) |  |  | — |  | 124,475
Corporate |  | 57,694 |  | — |  | (4,988) |  |  | — |  | 52,706
Total available-for-sale |  | $ | 740,056 |  | $ | 54 |  | $ | (71,090) |  | $ | — |  | $ | 669,020
|  | March 31, 2024
(dollars in thousands) |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |  | Allowance for Credit Losses
Held-to-maturity: |  |
U.S. government agency |  | $ | 88,454 |  | $ | — |  | $ | (8,977) |  |  | $ | 79,477 |  | $ | —
Municipal |  | 38,459 |  | 158 |  | (351) |  |  | 38,266 |  | —
Mortgage-backed: |  |  |  |  |  |  |  |  |  |
Agency residential |  | 93,737 |  | — |  | (6,497) |  |  | 87,240 |  | —
Agency commercial |  | 296,822 |  | — |  | (43,165) |  |  | 253,657 |  | —
Total held-to-maturity |  | $ | 517,472 |  | $ | 158 |  | $ | (58,990) |  |  | $ | 458,640 |  | $ | —
|  | December 31, 2023
(dollars in thousands) |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Allowance for Credit Losses |  | Fair Value
Available-for-sale: |  |
U.S. Treasury |  | $ | 159,715 |  | $ | — |  | $ | (11,093) |  |  | $ | — |  | $ | 148,622
U.S. government agency |  | 55,359 |  | — |  | (3,262) |  |  | — |  | 52,097
Municipal |  | 229,030 |  | 26 |  | (23,499) |  |  | — |  | 205,557
Mortgage-backed: |  |  |  |  |  |  |  |  |  |
Agency residential |  | 188,641 |  | 61 |  | (14,718) |  |  | — |  | 173,984
Agency commercial |  | 141,214 |  | 3 |  | (14,205) |  |  | — |  | 127,012
Corporate |  | 57,665 |  | 9 |  | (5,485) |  |  | — |  | 52,189
Total available-for-sale |  | $ | 831,624 |  | $ | 99 |  | $ | (72,262) |  | $ | — |  | $ | 759,461
|  | December 31, 2023
(dollars in thousands) |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |  | Allowance for Credit Losses
Held-to-maturity: |  |
U.S. government agency |  | $ | 88,448 |  | $ | — |  | $ | (8,292) |  |  | $ | 80,156 |  | $ | —
Municipal |  | 38,442 |  | 394 |  | (163) |  |  | 38,673 |  | —
Mortgage-backed: |  |  |  |  |  |  |  |  |  |
Agency residential |  | 95,828 |  | — |  | (5,569) |  |  | 90,259 |  | —
Agency commercial |  | 298,721 |  | — |  | (41,313) |  |  | 257,408 |  | —
Total held-to-maturity |  | $ | 521,439 |  | $ | 394 |  | $ | (55,337) |  |  | $ | 466,496 |  | $ | —
As of March 31, 2024 and December 31, 2023, the Bank had debt securities with a carrying value of $388.8 million and $419.4 million, respectively, which were pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes required or permitted by law. The amortized cost and fair value of debt securities by contractual maturity, as of March 31, 2024, are shown below. Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
| Available-for-Sale |  | Held-to-Maturity
(dollars in thousands) | Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
Due in 1 year or less | $ | 46,701 |  |  | $ | 45,715 |  |  | $ | 2,791 |  |  | $ | 2,789 |
Due after 1 year through 5 years | 193,559 |  |  | 179,686 |  |  | 44,748 |  |  | 42,300 |
Due after 5 years through 10 years | 155,271 |  |  | 132,382 |  |  | 73,706 |  |  | 67,434 |
Due after 10 years | 22,099 |  |  | 18,216 |  |  | 5,668 |  |  | 5,220 |
Mortgage-backed: |  |  |  |  |  |  |
Agency residential | 183,553 |  |  | 168,546 |  |  | 93,737 |  |  | 87,240 |
Agency commercial | 138,873 |  |  | 124,475 |  |  | 296,822 |  |  | 253,657 |
Total | $ | 740,056 |  |  | $ | 669,020 |  |  | $ | 517,472 |  |  | $ | 458,640 |
The following table presents gross unrealized losses and fair value of debt securities available-for-sale that do not have an associated allowance for credit losses as of March 31, 2024 and December 31, 2023, aggregated by category and length of time that individual debt securities have been in a continuous unrealized loss position:
|  | March 31, 2024
|  | Investments in a Continuous Unrealized Loss Position
|  | Less than 12 Months |  | 12 Months or More |  | Total
(dollars in thousands) |  | Unrealized Loss |  | Fair Value |  | Unrealized Loss |  | Fair Value |  | Unrealized Loss |  | Fair Value
Available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury |  | $ | — |  |  | $ | — |  |  | $ | (11,511) |  |  | $ | 138,186 |  |  | $ | (11,511) |  |  | $ | 138,186 |
U.S. government agency |  | — |  |  | — |  |  | (3,377) |  |  | 50,432 |  |  | (3,377) |  |  | 50,432 |
Municipal |  | (10) |  |  | 2,648 |  |  | (21,746) |  |  | 131,224 |  |  | (21,756) |  |  | 133,872 |
Mortgage-backed: |  |  |  |  |  |  |  |  |  |  |  |
Agency residential |  | (32) |  |  | 7,947 |  |  | (15,026) |  |  | 155,172 |  |  | (15,058) |  |  | 163,119 |
Agency commercial |  | (10) |  |  | 913 |  |  | (14,390) |  |  | 123,480 |  |  | (14,400) |  |  | 124,393 |
Corporate |  | (7) |  |  | 1,987 |  |  | (4,981) |  |  | 50,706 |  |  | (4,988) |  |  | 52,693 |
Total available-for-sale |  | $ | (59) |  |  | $ | 13,495 |  |  | $ | (71,031) |  |  | $ | 649,200 |  |  | $ | (71,090) |  |  | $ | 662,695 |
|  | December 31, 2023
|  | Investments in a Continuous Unrealized Loss Position
|  | Less than 12 Months |  | 12 Months or More |  | Total
(dollars in thousands) |  | Unrealized Loss |  | Fair Value |  | Unrealized Loss |  | Fair Value |  | Unrealized Loss |  | Fair Value
Available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury |  | $ | — |  |  | $ | — |  |  | $ | (11,093) |  |  | $ | 148,622 |  |  | $ | (11,093) |  |  | $ | 148,622 |
U.S. government agency |  | (2) |  |  | 168 |  |  | (3,260) |  |  | 51,910 |  |  | (3,262) |  |  | 52,078 |
Municipal |  | (26) |  |  | 4,749 |  |  | (23,473) |  |  | 194,287 |  |  | (23,499) |  |  | 199,036 |
Mortgage-backed: |  |  |  |  |  |  |  |  |  |  |  |
Agency residential |  | (163) |  |  | 9,354 |  |  | (14,555) |  |  | 156,785 |  |  | (14,718) |  |  | 166,139 |
Agency commercial |  | (26) |  |  | 3,016 |  |  | (14,179) |  |  | 123,404 |  |  | (14,205) |  |  | 126,420 |
Corporate |  | (414) |  |  | 4,361 |  |  | (5,071) |  |  | 45,826 |  |  | (5,485) |  |  | 50,187 |
Total available-for-sale |  | $ | (631) |  |  | $ | 21,648 |  |  | $ | (71,631) |  |  | $ | 720,834 |  |  | $ | (72,262) |  |  | $ | 742,482 |
As of March 31, 2024, there were 690 debt securities in an unrealized loss position for a period of twelve months or more, and 73 debt securities in an unrealized loss position for a period of less than twelve months. U.S. Treasury, U.S. government agency, and agency mortgage-backed securities are considered to have no risk of credit loss as they are either explicitly or implicitly guaranteed by the U.S. government. The changes in fair value in these portfolios are considered to be primarily driven by changes in market interest rates and other non-credit risks, such as prepayment and liquidity risks. Municipal securities include approximately 73% general obligation bonds as of March 31, 2024, which have a very low historical default rate due to issuers generally having taxing authority to service the debt. The remainder of the municipal securities are also of high credit quality with ratings of A1/A+ or better. The Company evaluates credit risk through monitoring credit ratings and reviews of available financial data. The changes in fair value in these portfolios are considered to be primarily driven by changes in market interest rates and other non-credit risks, such as call and liquidity risks. The estimated allowance for credit losses for the municipal debt securities held-to-maturity was deemed insignificant. Corporate securities include investment grade corporate and bank subordinated debt securities. The Company evaluates credit risk through monitoring credit ratings, reviews of available issuer financial data, and sector trends. During 2024, the changes in fair value in corporate securities were considered to be primarily driven by changes in market interest rates and other non-credit risks, such as call and liquidity risks. During the three months ended March 31, 2023, a $0.6 million allowance for credit losses was established for one bank subordinated debt security, reflecting heightened potential credit risk following the failures of other banks in early 2023. This allowance for credit losses was later reversed during the third quarter of 2023 after a merger announcement by the issuer of the bank subordinated debt security. As of March 31, 2024, the Company did not intend to sell the debt securities that are in an unrealized loss position, and it was more likely than not that the Company would recover the amortized cost prior to being required to sell the debt securities. Accrued interest on debt securities is excluded from the estimate of credit losses and totaled $5.4 million and $6.0 million as of March 31, 2024 and December 31, 2023, respectively. Sales of debt securities were as follows during the three months ended March 31:
| Three Months Ended March 31, |  |
(dollars in thousands) | 2024 |  | 2023 |  |  |  |  |  |
Proceeds from sales | $ | 66,812 |  | $ | 145,844 |  |  |  |  |  |
Gross realized gains | — |  | — |  |  |  |  |  |
Gross realized losses | (3,382) |  | (1,007) |  |  |  |  |  |
Equity Securities Equity securities with readily determinable fair values are measured at fair value with changes in fair value recognized in unrealized gains (losses) on equity securities on the consolidated statements of income. The Company has elected to measure equity securities with no readily determinable fair value at cost minus impairment, if any, plus or minus changes resulting from observable price changes for identical or similar securities of the same issuer. The initial cost and carrying values of equity securities, with cumulative net unrealized gains and losses are as follows:
|  | March 31, 2024
(dollars in thousands) |  | Readily Determinable Fair Value |  | No Readily Determinable Fair Value
Initial cost |  | $ | 3,124 |  |  | $ | 2,957 |
Cumulative net unrealized gains (losses) |  | 200 |  |  | (335) |
Carrying value |  | $ | 3,324 |  |  | $ | 2,622 |
|  | December 31, 2023
(dollars in thousands) |  | Readily Determinable Fair Value |  | No Readily Determinable Fair Value
Initial cost |  | $ | 3,143 |  |  | $ | 2,840 |
Cumulative net unrealized gains (losses) |  | 217 |  |  | (335) |
Carrying value |  | $ | 3,360 |  |  | $ | 2,505 |
As of March 31, 2024 and December 31, 2023, the cumulative net unrealized losses on equity securities with no readily determinable fair value reflect impairments of $0.2 million and downward adjustments based on observable price changes of an identical investment of $0.2 million. There have been no upward adjustments based on observable price changes to equity securities with no readily determinable fair value. During the three months ended March 31, 2024, the Company sold equity securities with a readily determinable fair value totaling $20 thousand at their carrying value. There were no sales of equity securities during the three months ended March 31, 2023. Unrealized gains (losses) on equity securities were as follows during the three months ended March 31, 2024 and 2023:
| Three Months Ended March 31, |  |
(dollars in thousands) | 2024 |  | 2023 |  |  |  |  |  |
Readily determinable fair value | $ | (16) |  | $ | 116 |  |  |  |  |  |  |
No readily determinable fair value | — |  | (138) |  |  |  |  |  |
Unrealized gains (losses) on equity securities | $ | (16) |  | $ | (22) |  |  |  |  |  |  |

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