Investment Securities (Tables)

12 Months Ended

Dec. 31, 2022

Investment Securities [Abstract]

Schedule of Available-for-Sale Securities Reconciliation

			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
(Dollars in thousands)	Cost		Gains		Losses		Value
Available-for-sale securities:
December 31, 2022
U.S. Government agencies	$	21,798	$	5	$	3,625	$	18,178
Mortgage-backed		72,183		2		8,666		63,519
Otherd debt securities		2,018		—		128		1,890
Total	$	95,999	$	7	$	12,419	$	83,587
December 31, 2021
U.S. Government agencies	$	22,932	$	7	$	634	$	22,305
Mortgage-backed		91,948		1,318		629		92,637
Other debt securities		2,026		14		—		2,040
Total	$	116,906	$	1,339	$	1,263	$	116,982

Schedule of Held-to-Maturity

			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
(Dollars in thousands)	Cost		Gains		Losses		Value
Held-to-maturity securities:
December 31, 2022
U.S. Government agencies	$	148,097	$	—	$	13,601	$	134,496
Mortgage-backed		398,884		—		50,464		348,420
States and political subdivisions		1,474		35		28		1,481
Other debt securities		11,000		—		770		10,230
Total	$	559,455	$	35	$	64,863	$	494,627
December 31, 2021
U.S. Government agencies	$	87,072	$	20	$	1,231	$	85,861
Mortgage-backed		302,604		301		2,248		300,657
States and political subdivisions		400		2		—		402
Other debt securities		14,518		95		9		14,604
Total	$	404,594	$	418	$	3,488	$	401,524

Available-For-Sale Securities and Held-to-Maturity, Continuous Unrealized Loss Position, Fair Value

	Less than				More than
	12 Months				12 Months				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(Dollars in thousands)	Value		Losses		Value		Losses		Value		Losses
December 31, 2022
Available-for-sale securities:
U.S. Government agencies	$	1,165	$	4	$	16,585	$	3,588	$	17,750	$	3,592
Mortgage-backed		29,125		2,409		34,167		6,290		63,292		8,699
Other debt securities		1,890		128		—		—		1,890		128
Total	$	32,180	$	2,541	$	50,752	$	9,878	$	82,932	$	12,419
Held-to-maturity securities:
U.S. Government agencies	$	67,332	$	2,786	$	67,163	$	10,815	$	134,495	$	13,601
Mortgage-backed		148,771		9,402		199,649		41,062		348,420		50,464
States and political subdivisions		780		28		—		—		780		28
Other debt securities		8,091		409		2,139		361		10,230		770
Total	$	224,974	$	12,625	$	268,951	$	52,238	$	493,925	$	64,863

	Less than				More than
	12 Months				12 Months				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(Dollars in thousands)	Value		Losses		Value		Losses		Value		Losses
December 31, 2021
Available-for-sale securities:
U.S. Government agencies	$	1,561	$	1	$	17,368	$	633	$	18,929	$	634
Mortgage-backed		39,851		593		3,562		36		43,413		629
Total	$	41,412	$	594	$	20,930	$	669	$	62,342	$	1,263
Held-to-maturity securities:
U.S. Government agencies	$	64,268	$	1,005	$	11,719	$	226	$	75,987	$	1,231
Mortgage-backed		226,918		1,836		14,564		412		241,482		2,248
Other debt securities		491		9		—		—		491		9
Total	$	291,677	$	2,850	$	26,283	$	638	$	317,960	$	3,488

Schedule of Securities Debt Maturities

	Available for sale				Held to maturity
	Amortized				Amortized
(Dollars in thousands)	Cost		Fair Value		Cost		Fair Value
Due in one year or less	$	75	$	74	$	2,117	$	2,076
Due after one year through five years		6,658		6,351		108,632		101,165
Due after five years through ten years		42,689		37,856		73,054		66,502
Due after ten years		46,577		39,306		375,652		324,884
Total	$	95,999	$	83,587	$	559,455	$	494,627

Amortized Cost and Estimated Fair Values of Securities

	2022				2021
	Amortized				Amortized
(Dollars in thousands)	Cost		Fair Value		Cost		Fair Value
Pledged available-for-sale securities	$	83,288		72,108	$	78,522	$	78,352
Pledged held to maturity securities		19,158		16,305		913		915