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Investments

6 Months Ended

Jun. 30, 2023

4. Investments

A summary of investment securities available-for-sale and held-to-maturity is as follows:

(Dollars in thousands)	As of June 30, 2023
			Gross		Gross
	Amortized		unrealized		unrealized			Estimated
	cost		gains		losses			fair value
Available-for-sale:
U. S. treasury securities	$	128,458	$	-	$	(6,978	)	$	121,480
Municipal obligations, tax exempt		127,921		56		(3,526	)		124,451
Municipal obligations, taxable		82,456		79		(4,822	)		77,713
Agency mortgage-backed securities		175,571		31		(14,868	)		160,734
Total available-for-sale	$	514,406	$	166	$	(30,194	)	$	484,378

	As of June 30, 2023
			Gross		Gross
	Amortized		unrealized		unrealized			Estimated
	cost		gains		losses			fair value
Held-to-maturity:
Other	$	3,496	$	-	$	(196	)	$	3,300
Total held-to-maturity	$	3,496	$	-	$	(196	)	$	3,300

	As of December 31, 2022
			Gross		Gross
	Amortized		unrealized		unrealized			Estimated
	cost		gains		losses			fair value
Available-for-sale:
U. S. treasury securities	$	130,684	$	-	$	(7,573	)	$	123,111
U. S. federal agency obligations		2,002		-		(14	)		1,988
Municipal obligations, tax exempt		130,848		59		(3,645	)		127,262
Municipal obligations, taxable		73,520		14		(6,290	)		67,244
Agency mortgage-backed securities		185,451		172		(15,922	)		169,701
Total available-for-sale	$	522,505	$	245	$	(33,444	)	$	489,306

	As of December 31, 2022
			Gross		Gross
	Amortized		unrealized		unrealized			Estimated
	cost		gains		losses			fair value
Held-to-maturity:
Other	$	3,524	$	5	$	(77	)	$	3,452
Total held-to-maturity	$	3,524	$	5	$	(77	)	$	3,452

The amortized cost of the above held-to-maturity investment securities has been further reduced by the allowance for credit losses of $91,000 at June 30, 2023.

The tables above show that some of the securities in the available-for-sale and held-to-maturity investment portfolios had unrealized losses, or were temporarily impaired, as of June 30, 2023 and December 31, 2022. This temporary impairment represents the estimated amount of loss that would be realized if the securities were sold on the valuation date. Securities which were temporarily impaired are shown below, along with the length of time in a continuous unrealized loss position.

			As of June 30, 2023
(Dollars in thousands)			Less than 12 months					12 months or longer					Total
	No. of		Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
	securities		value		losses			value		losses			value		losses
Available-for-sale:
U.S. treasury securities		67	$	13,995	$	(562	)	$	107,485	$	(6,416	)	$	121,480	$	(6,978	)
Municipal obligations, tax exempt		268		58,460		(861	)		54,533		(2,665	)		112,993		(3,526	)
Municipal obligations, taxable		119		32,430		(891	)		39,464		(3,931	)		71,894		(4,822	)
Agency mortgage-backed securities		102		27,246		(610	)		127,921		(14,258	)		155,167		(14,868	)
Total for available-for-sale		556	$	132,131	$	(2,924	)	$	329,403	$	(27,270	)	$	461,534	$	(30,194	)

Held-to-maturity:
Other		7	$	3,300	$	(196	)	$	-	$	-		$	3,300	$	(196	)
Total held-to-maturity		7		3,300		(196	)		-		-			3,300		(196	)

			As of December 31, 2022
			Less than 12 months					12 months or longer					Total
	No. of		Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
	securities		value		losses			value		losses			value		losses
Available-for-sale:
U.S. treasury securities		67	$	85,988	$	(4,591	)	$	37,123	$	(2,982	)	$	123,111	$	(7,573	)
U.S. federal agency obligations		1		1,988		(14	)		-		-			1,988		(14	)
Municipal obligations, tax exempt		274		107,262		(3,020	)		8,495		(625	)		115,757		(3,645	)
Municipal obligations, taxable		108		54,746		(5,006	)		7,571		(1,284	)		62,317		(6,290	)
Agency mortgage-backed securities		100		78,971		(4,550	)		79,882		(11,372	)		158,853		(15,922	)
Total for available-for-sale		550		328,955		(17,181	)		133,071		(16,263	)		462,026		(33,444	)

Held-to-maturity:
Other		6	$	3,009	$	(77	)	$	-	$	-		$	3,009	$	(77	)
Total held-to-maturity		6		3,009		(77	)		-		-			3,009		(77	)

The Company’s U.S. treasury portfolio consists of securities issued by the United States Department of the Treasury. The receipt of principal and interest on U.S. treasury securities is guaranteed by the full faith and credit of the U.S. government. Based on these factors, along with the Company’s intent to not sell the securities and its belief that it was more likely than not that the Company will not be required to sell the securities before recovery of its cost basis, the Company believed that the U.S. treasury securities identified in the table above were temporarily impaired as of June 30, 2023 and December 31, 2022.

The Company’s portfolio of municipal obligations consists of both tax-exempt and taxable general obligations securities issued by various municipalities. As of June 30, 2023, the Company did not intend to sell and it was more likely than not that the Company will not be required to sell its municipal obligations in an unrealized loss position until the recovery of its cost. Due to the issuers’ continued satisfaction of the securities’ obligations in accordance with their contractual terms and the expectation that they will continue to do so, the evaluation of the fundamentals of the issuers’ financial condition and other objective evidence, the Company believed that the municipal obligations identified in the tables above were temporarily impaired as of June 30, 2023 and December 31, 2022.

The Company’s agency mortgage-backed securities portfolio consists of securities underwritten to the standards of and guaranteed by the government-sponsored agencies of Federal Home Loan Mortgage Corporation (“FHLMC”), Federal National Mortgage Association (“FNMA”) and the Government National Mortgage Association. The receipt of principal, at par, and interest on agency mortgage-backed securities is guaranteed by the respective government-sponsored agency guarantor, such that the Company believed that its agency mortgage-backed securities did not expose the Company to credit-related losses. Based on these factors, along with the Company’s intent to not sell the securities and the Company’s belief that it was more likely than not that the Company will not be required to sell the securities before recovery of their cost basis, the Company believed that the agency mortgage-backed securities identified in the table above were temporarily impaired as of June 30, 2023 and December 31, 2022.

The Company’s other investment securities portfolio consists of seven subordinated debentures issued by financial institutions. These investment securities were acquired in the Freedom Bank acquisition and classified as held-to-maturity. The securities were issued in 2021 and 2022 with a 10 year maturity and a fixed rate for five years. The securities are callable after the end of the fixed rate term. Due to the issuers’ continued satisfaction of the securities’ obligations in accordance with their contractual terms and the expectation that they will continue to do so, the evaluation of the fundamentals of the issuers’ financial condition and other objective evidence, the Company believed that the other securities identified in the tables above were temporarily impaired as of June 30, 2023 and December 31, 2022.

The following table provides information on the Company’s allowance for credit losses related to held-to-maturity investment securities.

(Dollars in thousands)
Balance at January 1, 2023	$	-
Impact of adopting ASC 326		72
Provision for credit losses		19
Balance at June 30, 2023	$	91

The table below sets forth amortized cost and fair value of investment securities at June 30, 2023. The table includes scheduled principal payments and estimated prepayments, based on observable market inputs, for agency mortgage-backed securities. Actual maturities will differ from contractual maturities because borrowers have the right to prepay obligations with or without prepayment penalties.

(Dollars in thousands)	Amortized		Estimated
	cost		fair value
Available-for-sale:
Due in less than one year	$	33,292	$	32,728
Due after one year but within five years		263,298		246,734
Due after five years but within ten years		162,266		151,903
Due after ten years		55,550		53,013
Total available-for-sale	$	514,406	$	484,378

Held-to-maturity:
Due after five years but within ten years		3,496		3,300
Total held-to-maturity	$	3,496	$	3,300

The Company did not record any sales of available-for-sale securities during the six months ended June 30, 2023 and 2022.

Securities with carrying values of $420.9 million and $420.8 million were pledged to secure public funds on deposit, repurchase agreements and as collateral for borrowings at June 30, 2023 and December 31, 2022, respectively. Except for U.S. federal agency obligations, no investment in a single issuer exceeded 10% of consolidated stockholders’ equity.