Investment Securities (Tables)

6 Months Ended

Jun. 30, 2023

Investment Securities [Abstract]

Activity in the ACL on held-to maturity securities

	Three Months Ended		Six Months Ended
(Dollars in thousands)	June 30, 2023		June 30, 2023
Provision for credit losses - HTM Debt Securities	$	—	$	163

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:
June 30, 2023
U.S. Government agencies	$	21,465	$	5	$	3,408	$	18,062
Mortgage-backed		66,367		—		8,188		58,179
Other debt securities		2,014		—		186		1,828
Total	$	89,846	$	5	$	11,782	$	78,069
December 31, 2022
U.S. Government agencies	$	21,798	$	5	$	3,625	$	18,178
Mortgage-backed		72,183		2		8,666		63,519
Other debt securities		2,018		—		128		1,890
Total	$	95,999	$	7	$	12,419	$	83,587

Schedule of Held-to-Maturity

			Gross		Gross		Estimated		Allowance
	Amortized		Unrealized		Unrealized		Fair		for credit
(Dollars in thousands)	Cost		Gains		Losses		Value		losses
Held-to-maturity securities:
June 30, 2023
U.S. Government agencies	$	144,882	$	—	$	13,035	$	131,847	$	—
Mortgage-backed		379,779		—		49,407		330,372		—
States and political subdivisions		1,472		39		30		1,481		—
Other debt securities		11,000		—		1,404		9,596		163
Total	$	537,133	$	39	$	63,876	$	473,296	$	163
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	$	—

Schedule of Amortized Cost of Held-to-Maturity Securities Based on Credit Rating

		June 30, 2023
		Investment Grade
(Dollars in thousands)		Aaa		Aa1		A3		Baa1		Baa2		Baa3		NR		Total
U.S. Government agencies	$	137,359	$	—	$	—	$	—	$	—	$	—	$	7,523	$	144,882
Mortgage-backed		—		—		—		—		—		—		379,779		379,779
States and political subdivisions		—		1,472		—		—		—		—		—		1,472
Other debt securities		—		—		4,000		4,000		500		500		2,000		11,000
Total Held-to Maturity Securities	$	137,359	$	1,472	$	4,000	$	4,000	$	500	$	500	$	389,302	$	537,133

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
June 30, 2023
Available-for-sale securities:
U.S. Government agencies	$	952	$	5	$	16,705	$	3,403	$	17,657	$	3,408
Mortgage-backed		1,128		29		57,051		8,159		58,179		8,188
Other debt securities		—		—		1,828		186		1,828		186
Total	$	2,080	$	34	$	75,584	$	11,748	$	77,664	$	11,782

	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	$	3,621	$	17,750	$	3,625
Mortgage-backed		29,125		2,409		34,167		6,257		63,292		8,666
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

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	$	30	$	30	$	1,019	$	1,009
Due after one year through five years		8,771		8,345		123,636		114,964
Due after five years through ten years		36,753		32,325		58,643		52,809
Due after ten years		44,292		37,369		353,835		304,514
Total	$	89,846	$	78,069	$	537,133	$	473,296