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Note 3 - Investment Securities

3 Months Ended

Mar. 31, 2023

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 March 31, 2023 and December 31, 2022 are summarized as follows:

						Gross				Gross
		*Amortized*				*Unrealized*				*Unrealized*				*Fair*
(In thousands)		*Cost*				*Gains*				*Losses*				*Value*

March 31, 2023
Securities available for sale:
Agency mortgage-backed securities		$	91,600			$	-			$	9,294			$	82,306
Agency CMO			9,117				53				223				8,947
Other debt securities:
Agency notes and bonds			151,901				18				10,495				141,424
Treasury notes and bonds			82,638				-				2,827				79,811
Municipal obligations			172,666				426				15,490				157,602

Total securities available for sale		$	507,922			$	497			$	38,329			$	470,090

Securities held to maturity:
Other debt securities:
Corporate notes		$	7,000			$	-			$	1,704			$	5,296

Total securities held to maturity		$	7,000			$	-			$	1,704			$	5,296

December 31, 2022
Securities available for sale:
Agency mortgage-backed securities		$	95,056			$	-			$	11,193			$	83,863
Agency CMO			9,682				20				349				9,353
Other debt securities:
Agency notes and bonds			151,143				-				13,162				137,981
Treasury notes and bonds			82,646				-				3,914				78,732
Municipal obligations			168,939				177				18,226				150,890

Total securities available for sale		$	507,466			$	197			$	46,844			$	460,819

Securities held to maturity:
Other debt securities:
Corporate notes		$	7,000			$	-			$	1,689			$	5,311

Total securities held to maturity		$	7,000			$	-			$	1,689			$	5,311

Agency notes and bonds, agency mortgage-backed securities and agency collateralized mortgage obligations (“CMO”) include securities issued by the Government National Mortgage Association (“GNMA”), a U.S. government agency, and the Federal National Mortgage Association (“FNMA”), the Federal Home Loan Mortgage Corporation (“FHLMC”), the Federal Farm Credit Bank (“FFCB”) and the Federal Home Loan Bank (“FHLB”), which are government-sponsored enterprises. Corporate notes classified as held to maturity include subordinated debt obligations issued by other bank holding companies.

The amortized cost and fair value of debt securities as of March 31, 2023, 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								Securities Held to Maturity
		Amortized				Fair				Amortized				Fair
		Cost				Value				Cost				Value
(In thousands)

Due in one year or less		$	45,936			$	45,056			$	-			$	-
Due after one year through five years			213,953				200,774				-				-
Due after five years through ten years			41,376				39,120				2,000				1,520
Due after ten years			105,940				93,887				5,000				3,776
			407,205				378,837				7,000				5,296
Mortgage-backed securities and CMO			100,717				91,253				-				-

		$	507,922			$	470,090			$	7,000			$	5,296

Information pertaining to investment securities with gross unrealized losses at March 31, 2023, aggregated by investment category and the length of time that individual investment securities have been in a continuous loss position, follows.

		Number of								Gross
		Investment				Fair				Unrealized
		Positions				Value				Losses
(Dollars in thousands)

March 31, 2023:
Securities available for sale:
Continuous loss position less than twelve months:
Agency mortgage-backed securities			4			$	3,589			$	120
Agency CMO			3				2,604				62
Agency notes and bonds			6				16,797				221
Treasury notes and bonds			10				16,734				266
Muncipal obligations			36				17,113				195
Total less than twelve months			59				56,837				864

Continuous loss position more than twelve months:
Agency mortgage-backed securities			93				78,717				9,174
Agency CMO			22				3,557				161
Agency notes and bonds			52				121,382				10,274
Treasury notes and bonds			20				63,078				2,561
Muncipal obligations			192				104,118				15,295
Total more than twelve months			379				370,852				37,465

Total securities available for sale			438			$	427,689			$	38,329

Securities held to maturity:
Continuous loss position more than twelve months:
Corporate notes			4			$	5,296			$	1,704
Total more than twelve months			4				5,296				1,704

Total held to maturity			4			$	5,296			$	1,704

Information pertaining to investment securities with gross unrealized losses at December 31, 2022, aggregated by investment category and the length of time that individual investment securities have been in a continuous position, follows.

		Number of								Gross
		Investment				Fair				Unrealized
		Positions				Value				Losses
(Dollars in thousands)

December 31, 2022:
Securities available for sale:
Continuous loss position less than twelve months:
Agency mortgage-backed securities			69			$	27,561			$	2,214
Agency CMO			23				6,287				336
Agency notes and bonds			15				35,079				1,314
Treasury notes and bonds			17				31,615				997
Muncipal obligations			154				81,218				5,960
Total less than twelve months			278				181,760				10,821

Continuous loss position more than twelve months:
Agency mortgage-backed securities			28				56,303				8,979
Agency CMO			3				257				13
Agency notes and bonds			45				102,902				11,848
Treasury notes and bonds			13				47,117				2,917
Muncipal obligations			98				52,279				12,266
Total more than twelve months			187				258,858				36,023

Total securities available for sale			465			$	440,618			$	46,844

Securities held to maturity:
Continuous loss position less than twelve months:
Corporate notes			3			$	3,779			$	1,221
Total less than twelve months			3				3,779				1,221

Continuous loss position more than twelve months:
Corporate notes			1				1,532				468
Total more than twelve months			1				1,532				468

Total securities held to maturity			4			$	5,311			$	1,689

The Company has not identified any specific available for sale securities in a loss position that it intends to sell in the near term and does not believe that it will be required to sell any such securities. The Company reviews its securities on a quarterly basis to assess declines in fair value for credit losses. Consideration is given to such factors as the credit rating of the borrower, market conditions such as current interest rates, any adverse conditions specific to the security, and delinquency status on contractual payments. For the three months ended March 31, 2023, management concluded that in all instances securities with fair value less than carrying value was due to market and other factors; thus, no credit loss provision was required.

In addition, management assesses held to maturity securities for credit losses on a quarterly basis. The assessment includes review of performance metrics, identification of delinquency and evaluation of market factors. Based on this analysis, management concludes the decline in fair value is due to changes in interest rates and other market factors. Accordingly, no credit loss provision was recorded in earnings for the three months ended March 31, 2023.

At March 31, 2023, the municipal obligations and U.S. government agency debt securities, including Treasury notes and bonds, agency notes and bonds, mortgage-backed securities and CMOs classified as available for sale and in a loss position had depreciated approximately 8.2% from the amortized cost basis. All of the U.S. government agency securities and municipal obligations are issued by U.S. government agencies, government-sponsored enterprises and municipal governments, or are secured by first mortgage loans and municipal project revenues. At March 31, 2023, the corporate notes classified as held to maturity in a loss position had depreciated approximately 24.3% from the amortized cost basis. 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 debt securities until maturity, or the foreseeable future if classified as available for sale, no credit loss is deemed to exist.

On January 1, 2023, the Company adopted ASU 2016-13, which replaced the legacy GAAP other-than-temporary impairment (“OTTI”) model with a credit loss model. ASU 2016-13 requires an allowance on lifetime expected credit losses on held to maturity debt securities. As of January 1, 2023 and March 31, 2023, the Corporation estimated the expected credit losses to be immaterial based on the composition of the held to maturity securities portfolio.

While management does not anticipate any credit losses at March 31, 2023, additional deterioration in market and economic conditions may have an adverse impact on credit quality in the future.

There were no sales of investment securities during the three months ended March 31, 2023 or 2022.

Certain debt securities available for sale were pledged to secure public fund deposits at March 31, 2023 and December 31, 2022.

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 three months ended March 31, 2023, the Company recognized an unrealized gain of $137,000, on this equity investment. During the three months ended March 31, 2022, the Company recognized an unrealized gain of $63,000, on this equity investment. At March 31, 2023 and December 31, 2022, the equity investment had a fair value of $1.6 million and $1.5 million, respectively, and is included in other assets on the consolidated balance sheets.

In October 2021, the Company entered into an agreement to invest in a bank technology fund through a limited partnership. At March 31, 2023 and December 31, 2022, the Company’s investment in the limited partnership was $1.0 million and is reflected in other assets on the consolidated balance sheets. The unfunded commitment related to the limited partnership investment at March 31, 2023 and December 31, 2022 was $680,000 and $780,000, respectively, and is reflected in other liabilities on the consolidated balance sheets. The Company expects to fulfill the commitment as capital calls are made through 2026. The investment is accounted for as an equity security without a readily determinable fair value, and has been recorded at cost, less any impairment, and adjustments resulting from observable price changes. There were no impairments or adjustments on equity securities without readily determinable fair values during the three months ended March 31, 2023 or 2022.