Investments (Tables)

6 Months Ended

Jun. 30, 2022

Schedule of Investments [Abstract]

Summary of Amortized Cost and Fair Values of Investment Securities Available for Sale

The following tables present amortized cost and fair values of investment securities available for sale as of the dates stated.

	June 30, 2022
(Dollars in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for sale
State and municipal	$	60,899	$	2	$	(7,349	)	$	53,552
U.S. Treasury and agencies		72,032		—		(9,209	)		62,823
Mortgage backed securities		252,930		76		(30,304	)		222,702
Corporate bonds		43,669		272		(1,482	)		42,459
Total investment securities	$	429,530	$	350	$	(48,344	)	$	381,536
	December 31, 2021
(Dollars in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for sale
State and municipal	$	51,341	$	302	$	(530	)	$	51,113
U.S. Treasury and agencies		65,680		—		(1,614	)		64,066
Mortgage backed securities		222,968		403		(4,261	)		219,110
Corporate bonds		38,752		808		(317	)		39,243
Total investment securities	$	378,741	$	1,513	$	(6,722	)	$	373,532

Summary of Investments Classified by Contractual Maturity Date

The following table presents the amortized cost and fair value of securities available for sale by contractual maturity as of the date stated. Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

	June 30, 2022
(Dollars in thousands)	Amortized Cost		Fair Value
Due in one year or less	$	10,061	$	9,973
Due after one year through five years		38,351		35,821
Due after five years through ten years		138,230		125,119
Due after ten years		242,888		210,623
Total	$	429,530	$	381,536

Summary of Unrealized Losses

The following tables present a summary of unrealized losses and the length of time securities have been in a continuous loss position, by security type and number of securities, as of the dates stated.

			June 30, 2022
			Less than 12 Months					12 Months or Greater					Total
(Dollars in thousands)	Number of Securities		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
State and municipal		82	$	47,080	$	(6,703	)	$	4,744	$	(646	)	$	51,824	$	(7,349	)
U.S. Treasury and agencies		26		48,249		(5,805	)		15,593		(3,404	)		63,842		(9,209	)
Mortgage backed securities		79		147,379		(18,833	)		62,754		(11,471	)		210,133		(30,304	)
Corporate bonds		23		19,987		(1,386	)		1,904		(96	)		21,891		(1,482	)
Total		210	$	262,695	$	(32,727	)	$	84,995	$	(15,617	)	$	347,690	$	(48,344	)

			December 31, 2021
			Less than 12 Months					12 Months or Greater					Total
(Dollars in thousands)	Number of Securities		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
State and municipal		38	$	27,905	$	(530	)	$	—	$	—		$	27,905	$	(530	)
U.S. Treasury and agencies		22		64,067		(1,614	)		—		—			64,067		(1,614	)
Mortgage backed securities		54		186,924		(4,257	)		543		(4	)		187,467		(4,261	)
Corporate bonds		11		6,770		(313	)		996		(4	)		7,766		(317	)
Total		125	$	285,666	$	(6,714	)	$	1,539	$	(8	)	$	287,205	$	(6,722	)