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INVESTMENT SECURITIES | 6 Months Ended
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Jun. 30, 2023
INVESTMENT SECURITIES |
INVESTMENT SECURITIES | NOTE 5: INVESTMENT SECURITIES Held-to-maturity securities (“HTM”), which include any security for which the Company has both the positive intent and ability to hold until maturity, are carried at historical cost adjusted for amortization of premiums and accretion of discounts. Premiums and discounts are amortized and accreted, respectively, to interest income over the security’s estimated life. Prepayments are anticipated for certain mortgage-backed securities. Premiums on callable securities are amortized to their earliest call date. Available-for-sale securities (“AFS”), which include any security for which the Company has no immediate plan to sell but which may be sold in the future, are carried at fair value. Realized gains and losses, based on specifically identified amortized cost of the individual security, are included in non-interest income. Unrealized gains and losses are recorded, net of related income tax effects, in stockholders’ equity. Premiums and discounts are amortized and accreted, respectively, to interest income over the estimated life of the security. Prepayments are anticipated for certain mortgage-backed and Small Business Administration (SBA) securities. Premiums on callable securities are amortized to their earliest call date. The amortized cost and fair values of securities were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, 2023
​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
​ |  | Cost |  | Gains |  | Losses |  | Value
​ |  | (In Thousands)
AVAILABLE-FOR-SALE SECURITIES: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Agency mortgage-backed securities |  | $ | 319,237 |  | $ | — |  | $ | 40,743 |  | $ | 278,494
Agency collateralized mortgage obligations | ​ | ​ | 87,777 | ​ | ​ | — | ​ | ​ | 11,277 | ​ | ​ | 76,500
States and political subdivisions | ​ | ​ | 59,403 | ​ | ​ | 207 | ​ | ​ | 2,887 | ​ | ​ | 56,723
Small Business Administration securities | ​ | ​ | 72,740 | ​ | ​ | — | ​ | ​ | 7,546 | ​ | ​ | 65,194
​ |  | $ | 539,157 |  | $ | 207 |  | $ | 62,453 |  | $ | 476,911
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2023
​ | ​ | ​ | ​ | ​ | ​ | Amortized | ​ | Gross | ​ | Gross | ​ | ​
​ | ​ | Amortized | ​ | Fair Value | ​ | Carrying | ​ | Unrealized | ​ | Unrealized | ​ | Fair
​ |  | Cost |  | Adjustment |  | Value |  | Gains |  | Losses |  | Value
​ | ​ | (In Thousands)
HELD-TO-MATURITY SECURITIES: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Agency mortgage-backed securities | ​ | $ | 73,195 | ​ | $ | 2,726 | ​ | $ | 75,921 | ​ | $ | — | ​ | $ | 10,034 | ​ | $ | 65,887
Agency collateralized mortgage obligations | ​ |  | 118,932 | ​ |  | (2,674) | ​ |  | 116,258 | ​ |  | — | ​ |  | 14,013 | ​ |  | 102,245
States and political subdivisions | ​ |  | 6,213 | ​ |  | (5) | ​ |  | 6,208 | ​ |  | — | ​ |  | 679 | ​ |  | 5,529
​ | ​ | $ | 198,340 | ​ | $ | 47 | ​ | $ | 198,387 | ​ | $ | — | ​ | $ | 24,726 | ​ | $ | 173,661
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2022
​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
​ |  | Cost |  | Gains |  | Losses |  | Value
​ |  | (In Thousands)
AVAILABLE-FOR-SALE SECURITIES: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Agency mortgage-backed securities |  | $ | 327,266 |  | $ | — |  | $ | 40,784 |  | $ | 286,482
Agency collateralized mortgage obligations | ​ | ​ | 90,205 | ​ | ​ | — | ​ | ​ | 11,731 | ​ | ​ | 78,474
States and political subdivisions securities | ​ | ​ | 60,667 | ​ | ​ | 119 | ​ | ​ | 3,291 | ​ | ​ | 57,495
Small Business Administration securities | ​ | ​ | 75,076 | ​ | ​ | — | ​ | ​ | 6,935 | ​ | ​ | 68,141
​ |  | $ | 553,214 |  | $ | 119 |  | $ | 62,741 |  | $ | 490,592
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2022
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Amortized | ​ | Gross | ​ | Gross | ​ | ​ | ​
​ | ​ | Amortized | ​ | Fair Value | ​ | Carrying | ​ | Unrealized | ​ | Unrealized | ​ | Fair
​ |  | Cost |  | Adjustment |  | Value |  | Gains |  | Losses |  | Value
​ | ​ | (In Thousands)
HELD-TO-MATURITY SECURITIES: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Agency mortgage-backed securities | ​ | $ | 73,891 | ​ | $ | 3,015 | ​ | $ | 76,906 | ​ | $ | — | ​ | $ | 9,820 | ​ | $ | 67,086
Agency collateralized mortgage obligations | ​ |  | 122,247 | ​ |  | (2,885) | ​ |  | 119,362 | ​ |  | — | ​ |  | 14,129 | ​ |  | 105,233
States and political subdivisions | ​ |  | 6,239 | ​ |  | (12) | ​ |  | 6,227 | ​ |  | — | ​ |  | 781 | ​ |  | 5,446
​ | ​ | $ | 202,377 | ​ | $ | 118 | ​ | $ | 202,495 | ​ | $ | — | ​ | $ | 24,730 | ​ | $ | 177,765
​ The amortized cost and fair value of available-for-sale and held-to-maturity securities at June 30, 2023, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Available-for-Sale | ​ | Held-to-Maturity
​ | ​ | Amortized | ​ | Fair | ​ | Amortized | ​ | Fair
​ |  | Cost |  | Value |  | Carrying Value |  | Value
​ | ​ | (In Thousands)
One year or less | ​ | $ | — | ​ | $ | — | ​ | $ | — |  | $ | —
After one through two years | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
After two through three years | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
After three through four years | ​ | ​ | 245 | ​ | ​ | 245 | ​ | ​ | — | ​ | ​ | —
After four through five years | ​ | ​ | 936 | ​ | ​ | 940 | ​ | ​ | — | ​ | ​ | —
After five through fifteen years | ​ | ​ | 6,365 | ​ | ​ | 6,135 | ​ | ​ | 3,250 | ​ | ​ | 2,896
After fifteen years | ​ | ​ | 51,857 | ​ | ​ | 49,403 | ​ | ​ | 2,958 | ​ | ​ | 2,633
Securities not due on a single maturity date | ​ | ​ | 479,754 | ​ | ​ | 420,188 | ​ | ​ | 192,179 | ​ | ​ | 168,132
​ | ​ | $ | 539,157 | ​ | $ | 476,911 | ​ | $ | 198,387 |  | $ | 173,661
​ Certain available-for-sale investments in debt securities are reported in the financial statements at an amount less than their amortized cost. Total fair value of these investments at June 30, 2023 and December 31, 2022, was approximately $467.5 million and $472.0 million, respectively, which is approximately 98.0% and 96.2% of the Company’s total available-for-sale investment portfolio. A high percentage of the unrealized losses were related to the Company’s mortgage-backed securities, collateralized mortgage obligations and SBA securities, which are issued and guaranteed by U.S. government-sponsored entities and agencies. The Company’s state and political subdivisions securities are investments in insured fixed rate municipal bonds for which the issuers continue to make timely principal and interest payments under the contractual terms of the securities. Held-to-maturity investments in debt securities are reported in the financial statements at their amortized cost at June 30, 2023 and December 31, 2022, which was $198.4 million and $202.5 million, respectively. Total fair value of these investments at June 30, 2023 and December 31, 2022 was approximately $173.7 million and $177.8 million, respectively. Held-to-maturity investment securities are evaluated for potential losses under ASU 2016-13. The Company continually assesses its liquidity sources, both on-balance sheet and off-balance sheet, and believes at June 30, 2023, that it has ample liquidity sources to fund its ongoing operations. The Company has the intent and ability to hold these held-to-maturity securities until they are fully repaid. Based on an evaluation of available evidence, including recent changes in market interest rates, credit rating information and information obtained from regulatory filings, management believes any declines in fair value of these debt securities are not credit-related. The following table shows the Company’s available-for-sale and held-to-maturity securities’ gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at June 30, 2023 and December 31, 2022: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2023
​ | ​ | Less than 12 Months | ​ | 12 Months or More | ​ | Total
​ | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized
Description of Securities |  | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses
​ |  | (In Thousands)
AVAILABLE-FOR-SALE SECURITIES: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Agency mortgage-backed securities |  | $ | 2,972 | ​ | $ | (245) | ​ | $ | 275,522 | ​ | $ | (40,498) | ​ | $ | 278,494 | ​ | $ | (40,743)
Agency collateralized mortgage obligations | ​ | ​ | 8,908 | ​ | ​ | (390) | ​ | ​ | 67,592 | ​ | ​ | (10,887) | ​ | ​ | 76,500 | ​ | ​ | (11,277)
States and political subdivisions securities | ​ | ​ | 10,348 | ​ | ​ | (106) | ​ | ​ | 36,979 | ​ | ​ | (2,781) | ​ | ​ | 47,327 | ​ | ​ | (2,887)
Small Business Administration securities | ​ | ​ | 7,905 | ​ | ​ | (187) | ​ | ​ | 57,289 | ​ | ​ | (7,359) | ​ | ​ | 65,194 | ​ | ​ | (7,546)
​ |  | $ | 30,133 | ​ | $ | (928) | ​ | $ | 437,382 | ​ | $ | (61,525) | ​ | $ | 467,515 | ​ | $ | (62,453)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
HELD-TO-MATURITY SECURITIES: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Agency mortgage-backed securities | ​ | $ | — | ​ | $ | — | ​ | $ | 65,887 | ​ | $ | (10,034) | ​ | $ | 65,887 | ​ | $ | (10,034)
Agency collateralized mortgage obligations | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 102,245 | ​ | ​ | (14,013) | ​ | ​ | 102,245 | ​ | ​ | (14,013)
States and political subdivisions securities | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 5,529 | ​ | ​ | (679) | ​ | ​ | 5,529 | ​ | ​ | (679)
​ | ​ | $ | — | ​ | $ | — | ​ | $ | 173,661 | ​ | $ | (24,726) | ​ | $ | 173,661 | ​ | $ | (24,726)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2022
​ | ​ | Less than 12 Months | ​ | 12 Months or More | ​ | Total
​ | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized
Description of Securities |  | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses
​ |  | (In Thousands)
AVAILABLE-FOR-SALE SECURITIES: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Agency mortgage-backed securities |  | $ | 221,562 |  | $ | (27,597) |  | $ | 64,918 |  | $ | (13,187) |  | $ | 286,480 |  | $ | (40,784)
Agency collateralized mortgage obligations | ​ | ​ | 28,537 | ​ | ​ | (3,262) | ​ | ​ | 40,642 | ​ | ​ | (8,469) | ​ | ​ | 69,179 | ​ | ​ | (11,731)
States and political subdivisions securities | ​ | ​ | 60,473 | ​ | ​ | (5,224) | ​ | ​ | 7,667 | ​ | ​ | (1,711) | ​ | ​ | 68,140 | ​ | ​ | (6,935)
Small Business Administration securities | ​ | ​ | 44,455 | ​ | ​ | (2,913) | ​ | ​ | 3,753 | ​ | ​ | (378) | ​ | ​ | 48,208 | ​ | ​ | (3,291)
​ |  | $ | 355,027 | ​ | $ | (38,996) |  | $ | 116,980 | ​ | $ | (23,745) |  | $ | 472,007 | ​ | $ | (62,741)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
HELD-TO-MATURITY SECURITIES: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Agency mortgage-backed securities | ​ | $ | 59,218 | ​ | $ | (7,766) | ​ | $ | 7,868 | ​ | $ | (2,054) | ​ | $ | 67,086 | ​ | $ | (9,820)
Agency collateralized mortgage obligations | ​ | ​ | 61,055 | ​ | ​ | (6,411) | ​ | ​ | 44,178 | ​ | ​ | (7,718) | ​ | ​ | 105,233 | ​ | ​ | (14,129)
States and political subdivisions securities | ​ | ​ | 900 | ​ | ​ | (101) | ​ | ​ | 4,546 | ​ | ​ | (680) | ​ | ​ | 5,446 | ​ | ​ | (781)
​ | ​ | $ | 121,173 | ​ | $ | (14,278) | ​ | $ | 56,592 | ​ | $ | (10,452) | ​ | $ | 177,765 | ​ | $ | (24,730)
​ There were no sales of available-for-sale securities during the three or six months ended June 30, 2023. There were no sales of available-for-sale securities during the three months ended June 30, 2022. Available-for-sale securities totaling $4.9 million were sold during the six months ended June 30, 2022, resulting in the recognition of a $7,000 gain during the period. Gains and losses on sales of securities are determined on the specific-identification method. Allowance for Credit Losses. On January 1, 2021, the Company began evaluating all securities quarterly to determine if any securities in a loss position require a provision for credit losses in accordance with ASC 326, Measurement of Credit Losses on Financial Instruments. All of the mortgage-backed, collateralized mortgage, and SBA securities held by the Company as of June 30, 2023 were issued by U.S. government-sponsored entities and agencies. These securities are either explicitly or implicitly guaranteed by the U.S. government, are highly rated by major rating agencies and have a long history of no credit losses. Likewise, the Company has not experienced historical losses on these types of securities. Accordingly, no allowance for credit losses has been recorded for these securities. Regarding securities issued by state and political subdivisions, management considers the following when evaluating these securities: (i) current issuer bond ratings, (ii) historical loss rates for given bond ratings, (iii) whether issuers continue to make timely principal and interest payments under the contractual terms of the securities, (iv) updated financial information of the issuer, (v) internal forecasts and (vi) whether such securities provide insurance or other credit enhancement or are pre-refunded by the issuers. These securities are highly rated by major rating agencies and have a long history of no credit losses. Likewise, the Company historically has not experienced losses on these types of securities. Accordingly, no allowance for credit losses has been recorded for these securities.

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