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Note 3 - Investment Securities | 12 Months Ended
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Dec. 31, 2018
Notes to Financial Statements |
Investments in Debt and Equity Instruments, Cash and Cash Equivalents, Unrealized and Realized Gains (Losses) [Text Block] | ( 3 ) INVESTMENT SECURITIES Investment securities have been classified in the consolidated balance sheets according to management’s intent. Investment securities at December 31, 2018 and 2017 are summarized as follows:
(In thousands) |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
December 31, 2018: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  | $ | 94,746 |  |  | $ | – |  |  | $ | 3,489 |  |  | $ | 91,257 |
Agency CMO |  |  | 33,222 |  |  |  | 152 |  |  |  | 382 |  |  |  | 32,992 |
Other debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency notes and bonds |  |  | 75,461 |  |  |  | 59 |  |  |  | 1,016 |  |  |  | 74,504 |
Municipal obligations |  |  | 63,008 |  |  |  | 651 |  |  |  | 571 |  |  |  | 63,088 |
Total securities available for sale |  | $ | 266,437 |  |  | $ | 862 |  |  | $ | 5,458 |  |  | $ | 261,841 |
December 31, 2017: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  | $ | 114,902 |  |  | $ | – |  |  | $ | 2,253 |  |  | $ | 112,649 |
Agency CMO |  |  | 15,660 |  |  |  | 1 |  |  |  | 338 |  |  |  | 15,323 |
Other debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency notes and bonds |  |  | 70,013 |  |  |  | – |  |  |  | 985 |  |  |  | 69,028 |
Municipal obligations |  |  | 73,303 |  |  |  | 1,274 |  |  |  | 405 |  |  |  | 74,172 |
Total securities available for sale |  | $ | 273,878 |  |  | $ | 1,275 |  |  | $ | 3,981 |  |  | $ | 271,172 |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  | $ | 1 |  |  | $ | – |  |  | $ | – |  |  | $ | 1 |
Total securities held to maturity |  | $ | 1 |  |  | $ | – |  |  | $ | – |  |  | $ | 1 |
The amortized cost and fair value of debt securities as of December 31, 2018, by contractual maturity, are shown below. Expected maturities of mortgage-backed securities and CMO may differ from contractual maturities because the mortgages underlying the obligations may be prepaid without penalty.
|  | Securities Available for Sale
|  | Amortized Cost |  | Fair Value
(In thousands) |  |  |  |
Due in one year or less |  | $ | 28,204 |  |  | $ | 28,078 |
Due after one year through five years |  |  | 58,319 |  |  |  | 57,485 |
Due after five years through ten years |  |  | 34,062 |  |  |  | 33,890 |
Due after ten years |  |  | 17,884 |  |  |  | 18,139 |
|  |  | 138,469 |  |  |  | 137,592 |
Mortgage-backed securities and CMO |  |  | 127,968 |  |  |  | 124,249 |
|  | $ | 266,437 |  |  | $ | 261,841 |
At December 31, 2018, certain securities available for sale with an amortized cost of $47.2 million and fair value of $46.4 million were pledged to secure public fund deposits. At December 31, 2018 and 2017, there were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, with an aggregate book value greater that 10% of stockholders’ equity. Information pertaining to investment securities with gross unrealized losses at December 31, 2018 and 2017, aggregated by investment category and the length of time that individual investment securities have been in a continuous loss position, follows. At December 31, 2018 and 2017, the Company did not have any securities held to maturity with an unrealized loss.
(Dollars in thousands) |  | Number of Investment Positions |  | Gross Fair Value |  | Unrealized Losses
December 31, 2018: |  |  |  |  |  |  |  |  |  |  |  |
Continuous loss position less than twelve months: |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  |  | 1 |  |  | $ | 1,563 |  |  | $ | 13 |
Agency CMO |  |  | 4 |  |  |  | 2,870 |  |  |  | 1 |
Agency notes and bonds |  |  | 1 |  |  |  | 499 |  |  |  | 1 |
Municipal obligations |  |  | 11 |  |  |  | 3,552 |  |  |  | 12 |
Total less than twelve months |  |  | 17 |  |  |  | 8,484 |  |  |  | 27 |
Continuous loss position more than twelve months: |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  |  | 97 |  |  |  | 89,680 |  |  |  | 3,476 |
Agency CMO |  |  | 24 |  |  |  | 12,168 |  |  |  | 381 |
Agency notes and bonds |  |  | 22 |  |  |  | 67,927 |  |  |  | 1,015 |
Municipal obligations |  |  | 49 |  |  |  | 25,316 |  |  |  | 559 |
Total more than twelve months |  |  | 192 |  |  |  | 195,091 |  |  |  | 5,431 |
Total securities available for sale |  |  | 209 |  |  | $ | 203,575 |  |  | $ | 5,458 |
(Dollars in thousands) |  | Number of Investment Positions |  | Gross Fair Value |  | Unrealized Losses
December 31, 2017: |  |  |  |  |  |  |  |  |  |  |  |
Continuous loss position less than twelve months: |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  |  | 37 |  |  | $ | 37,570 |  |  | $ | 400 |
Agency CMO |  |  | 6 |  |  |  | 3,036 |  |  |  | 38 |
Agency notes and bonds |  |  | 4 |  |  |  | 11,119 |  |  |  | 69 |
Municipal obligations |  |  | 20 |  |  |  | 10,955 |  |  |  | 83 |
Total less than twelve months |  |  | 67 |  |  |  | 62,680 |  |  |  | 590 |
Continuous loss position more than twelve months: |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  |  | 60 |  |  |  | 74,960 |  |  |  | 1,853 |
Agency CMO |  |  | 18 |  |  |  | 11,801 |  |  |  | 300 |
Agency notes and bonds |  |  | 19 |  |  |  | 57,909 |  |  |  | 916 |
Municipal obligations |  |  | 29 |  |  |  | 14,667 |  |  |  | 322 |
Total more than twelve months |  |  | 126 |  |  |  | 159,337 |  |  |  | 3,391 |
Total securities available for sale |  |  | 193 |  |  | $ | 222,017 |  |  | $ | 3,981 |
Management evaluates securities for other-than-temporary impairment at least quarterly, and more frequently when economic or market concerns warrant such evaluation. Consideration is given to ( 1 ) the length of time and the extent to which the fair value has been 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 issuer for a period of time sufficient to allow for any anticipated recovery in fair value. At December 31, 2018, the municipal obligations and U.S. government agency debt securities, including agency mortgage-backed securities, agency CMOs, and agency notes and bonds, in a loss position had depreciated approximately 2.6% from the amortized cost basis. All of the U.S. government agency securities and municipal securities are issued by U.S. government agencies, government-sponsored enterprises, or municipal governments, and are secured by first mortgage loans or municipal project revenues. These unrealized losses related principally to current interest rates for similar types of securities. In analyzing an issuer’s financial condition, management considers whether the securities are issued by the federal government, its agencies or other governments, whether downgrades by bond rating agencies have occurred, and the results of reviews of the issuer’s financial condition. As the Company has the ability to hold the U.S. government agency debt securities and municipal securities in an unrealized loss position until maturity, no declines are deemed to be other-than-temporary. While management does not anticipate any credit-related impairment losses at December 31, 2018, additional deterioration in market and economic conditions may have an adverse impact on the credit quality in the future. During the year ended December 31, 2018, the Company realized gross gains of $218,000 and gross losses of $313,000 on sales of available for sale securities. During the year ended December 31, 2017, the Company realized gross gains of $61,000 and gross losses of $7,000 on the sale of available for sale securities. During the year ended December 31, 2016, the Company realized gross gains of $176,000 and gross losses of $0 on the sale of available for sale securities. Equity Securities In September 2018, the Company acquired 90,000 shares of common stock in another bank holding company, representing approximately 5% of the outstanding common stock of the entity, for a total investment of $1.9 million. During the year ended December 31, 2018, the Company recognized an unrealized loss of $207,000 on this equity investment. At December 31, 2018, the equity investment had a fair value of $1.7 million and is included in other assets on the consolidated balance sheet. During the year ended December 31, 2016, the Company sold its investment in another financial institution for $856,000 resulting in a gain of $145,000.

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