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MARKETABLE SECURITIES | 3 Months Ended
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Mar. 31, 2021
Investments Debt And Equity Securities [Abstract] |
MARKETABLE SECURITIES | NOTE 2 - MARKETABLE SECURITIES The following tables summarize the amortized cost and fair value of securities available for sale as of March 31, 2021 and as of December 31, 2020 and the corresponding amounts of gross unrealized gains and losses:
March 31, 2021 |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
Available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 33,096 |  |  | $ | 1,181 |  |  | $ | 77 |  |  | $ | 34,200 |
Municipal securities |  |  | 162,906 |  |  |  | 9,476 |  |  |  | 116 |  |  |  | 172,266 |
Mortgage-backed securities |  |  | 139,186 |  |  |  | 2,891 |  |  |  | 609 |  |  |  | 141,468 |
Collateralized mortgage obligations |  |  | 57,681 |  |  |  | 2,140 |  |  |  | 19 |  |  |  | 59,802 |
Total available for sale |  | $ | 392,869 |  |  | $ | 15,688 |  |  | $ | 821 |  |  | $ | 407,736 |
December 31, 2020 |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
Available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 29,608 |  |  | $ | 1,382 |  |  | $ | 8 |  |  | $ | 30,982 |
Municipal securities |  |  | 164,668 |  |  |  | 11,036 |  |  |  | — |  |  |  | 175,704 |
Mortgage-backed securities |  |  | 104,210 |  |  |  | 3,041 |  |  |  | 87 |  |  |  | 107,164 |
Collateralized mortgage obligations |  |  | 64,611 |  |  |  | 2,335 |  |  |  | 1 |  |  |  | 66,945 |
Total available for sale |  | $ | 363,097 |  |  | $ | 17,794 |  |  | $ | 96 |  |  | $ | 380,795 |
There is no allowance for credit losses recorded for our available for sale debt securities as of March 31, 2021 or December 31, 2020. Information pertaining to securities with gross unrealized losses as of March 31, 2021 and December 31, 2020, for which no allowance for credit losses has been recorded, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position is detailed in the following tables:
|  | Less Than 12 Months |  |  | 12 Months or Longer |  |  | Total |
March 31, 2021 |  | Gross Unrealized Losses |  |  | Estimated Fair Value |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
Available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | (77 | ) |  | $ | 6,423 |  |  | $ | — |  |  | $ | — |  |  | $ | (77 | ) |  | $ | 6,423 |
Municipal securities |  |  | (116 | ) |  |  | 4,409 |  |  |  | — |  |  |  | — |  |  |  | (116 | ) |  |  | 4,409 |
Mortgage-backed securities |  |  | (609 | ) |  |  | 50,451 |  |  |  | — |  |  |  | — |  |  |  | (609 | ) |  |  | 50,451 |
Collateralized mortgage obligations |  |  | (19 | ) |  |  | 8,993 |  |  |  | — |  |  |  | — |  |  |  | (19 | ) |  |  | 8,993 |
Total available for sale |  | $ | (821 | ) |  | $ | 70,276 |  |  | $ | — |  |  | $ | — |  |  | $ | (821 | ) |  | $ | 70,276 |
|  | Less Than 12 Months |  |  | 12 Months or Longer |  |  | Total |
December 31, 2020 |  | Gross Unrealized Losses |  |  | Estimated Fair Value |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
Available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | (8 | ) |  | $ | 2,493 |  |  | $ | — |  |  | $ | — |  |  | $ | (8 | ) |  | $ | 2,493 |
Mortgage-backed securities |  |  | (87 | ) |  |  | 25,775 |  |  |  | — |  |  |  | — |  |  |  | (87 | ) |  |  | 25,775 |
Collateralized mortgage obligations |  |  | — |  |  |  | — |  |  |  | (1 | ) |  |  | 106 |  |  |  | (1 | ) |  |  | 106 |
Total available for sale |  | $ | (95 | ) |  | $ | 28,268 |  |  | $ | (1 | ) |  | $ | 106 |  |  | $ | (96 | ) |  | $ | 28,374 |
There were 16 investments in an unrealized loss position with no recorded allowance for credit losses at March 31, 2021. The securities in a loss position were composed of collateralized mortgage obligations, mortgage backed securities municipal securities and corporate bonds. Management evaluates available for sale debt securities in an unrealized loss position to determine whether the impairment is due to credit-related factors or noncredit-related factors. With respect to the collateralized mortgage obligations and mortgage-backed securities issued by the U.S. Government and its agencies, the Company has determined that a decline in fair value is not due to credit-related factors. The Company monitors the credit quality of other debt securities through the use of credit ratings and other factors specific to an individual security in assessing whether or not the decline in fair value of municipal or corporate securities, relative to their amortized cost, is due to credit-related factors. Triggers to prompt further investigation of securities when the fair value is less than the amortized cost are when a security has been downgraded and falls below an A credit rating, and the security’s unrealized loss exceeds 20% of its book value. Consideration is given to (1) the extent to which fair value is less than cost, (2) the financial condition and near-term prospects of the issuer, and (3) the intent and ability of the Company to retain its investment in the security for a period of time sufficient to allow for any anticipated recovery in fair value. Based on evaluation of available evidence, management believes the unrealized losses on the securities as of March 31, 2021 is not credit-related. M anagement does not have the intent to sell any of these securities and believes that it is more likely than not the Company will not have to sell any such securities before recovery of cost. The fair values are expected to recover as the securities approach their maturity date or repricing date or if market yields for the investments decline. Mortgage-backed securities and collateralized mortgage obligations are backed by pools of mortgages that are insured or guaranteed by the Federal Home Loan Mortgage Corporation, the Federal National Mortgage Association or the Government National Mortgage Association. As of March 31, 2021, there were no holdings of securities of any one issuer, other than the collateralized mortgage obligations and mortgage-backed securities issued by the U.S. government and its agencies, in an amount greater than 10% of shareholders’ equity. Securities with fair values of approximately $317,293 and $314,962 at March 31, 2021 and December 31, 2020, respectively, were pledged to secure public fund deposits and for other purposes as required or permitted by law. There were no securities sold during the three months ended March 31, 2021 or 2020. The contractual maturities at March 31, 2021 of available for sale securities at carrying value and estimated fair value are shown below. The Company invests in mortgage-backed securities and collateralized mortgage obligations that have expected maturities that differ from their contractual maturities. These differences arise because borrowers and/or issuers may have the right to call or prepay their obligation with or without call or prepayment penalties.
|  | Available for Sale |
March 31, 2021 |  | Amortized Cost |  |  | Estimated Fair Value |
Due within one year |  | $ | 2,611 |  |  | $ | 2,657 |
Due after one year through five years |  |  | 54,004 |  |  |  | 56,579 |
Due after five years through ten years |  |  | 63,588 |  |  |  | 66,693 |
Due after ten years |  |  | 75,799 |  |  |  | 80,537 |
Mortgage-backed securities |  |  | 139,186 |  |  |  | 141,468 |
Collateralized mortgage obligations |  |  | 57,681 |  |  |  | 59,802 |
Total Securities |  | $ | 392,869 |  |  | $ | 407,736 |

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2176304 + Details
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