Investment Securities (Tables)

12 Months Ended

Dec. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Schedule of Debt Securities, Available-for-sale

Debt securities AFS as of the balance sheet dates consisted of the following:

December 31, 2023	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	(Dollars in thousands)
U.S. Government-sponsored enterprises	$	44,153	$	—	$	(4,802)	$	39,351
Agency MBS	182,568		88		(30,272)		152,384
State and political subdivisions	72,254		395		(6,210)		66,439
Corporate	6,358		—		(149)		6,209
Total	$	305,333	$	483	$	(41,433)	$	264,383

December 31, 2022	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	(Dollars in thousands)
U.S. Government-sponsored enterprises	$	45,090	$	—	$	(5,845)	$	39,245
Agency MBS	198,478		104		(34,150)		164,432
State and political subdivisions	47,722		281		(7,537)		40,466
Corporate	6,343		—		(219)		6,124
Total	$	297,633	$	385	$	(47,751)	$	250,267

Schedule of Unrealized Loss on Investments

Information pertaining to AFS debt securities with gross unrealized losses, for which an ACL has not been recorded, as of the balance sheet dates, aggregated by investment category and length of time that individual securities have been in a continuous loss position, follows:

December 31, 2023	Less Than 12 Months					12 Months and Over					Total
	Number of Securities	Fair Value		Gross Unrealized Loss		Number of Securities	Fair Value		Gross Unrealized Loss		Number of Securities	Fair Value		Gross Unrealized Loss
		(Dollars in thousands)
U.S. Government-   sponsored enterprises	2	$	2,891	$	(4)	32	$	36,460	$	(4,798)	34	$	39,351	$	(4,802)
Agency MBS	—	—		—		93	147,260		(30,272)		93	147,260		(30,272)
State and political   subdivisions	10	14,532		(276)		65	40,720		(5,934)		75	55,252		(6,210)
Corporate	—	—		—		13	6,209		(149)		13	6,209		(149)
Total	12	$	17,423	$	(280)	203	$	230,649	$	(41,153)	215	$	248,072	$	(41,433)

December 31, 2022	Less Than 12 Months					12 Months and Over					Total
	Number of Securities	Fair Value		Gross Unrealized Loss		Number of Securities	Fair Value		Gross Unrealized Loss		Number of Securities	Fair Value		Gross Unrealized Loss
		(Dollars in thousands)
U.S. Government-   sponsored enterprises	4	$	8,000	$	(533)	31	$	31,103	$	(5,312)	35	$	39,103	$	(5,845)
Agency MBS	31	24,306		(2,192)		62	134,297		(31,958)		93	158,603		(34,150)
State and political   subdivisions	39	15,457		(1,846)		27	18,613		(5,691)		66	34,070		(7,537)
Corporate	10	4,719		(124)		3	1,405		(95)		13	6,124		(219)
Total	84	$	52,482	$	(4,695)	123	$	185,418	$	(43,056)	207	$	237,900	$	(47,751)

Schedule of Realized Gain (Loss)

The following table presents the proceeds from sales and calls resulting in gross realized gains and gross realized losses from the disposition of AFS securities for the year ended December 31, 2022:

	2022
	(Dollars in thousands)
Proceeds from sales	$	6,827
Proceeds from calls	502
Gross gains	81
Gross losses	(50)
Net gains	$	31

Schedule of Investments Classified by Contractual Maturity Date

The amortized cost and estimated fair value of debt securities by contractual scheduled maturity as of December 31, 2023, were as follows:

	Amortized Cost		Fair Value
Available-for-sale	(Dollars in thousands)
Due in one year or less	$	1,015	$	1,009
Due from one to five years	28,966		26,697
Due from five to ten years	22,151		20,063
Due after ten years	70,633		64,230
	122,765		111,999
Agency MBS	182,568		152,384
Total	$	305,333	$	264,383