Securities (Tables)

9 Months Ended

Sep. 30, 2021

Investments Debt And Equity Securities [Abstract]

Summary of Securities Available-for-Sale and Restricted Stock

Securities consist of the following on September 30, 2021 and December 31, 2020:

(Dollars in thousands)	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
September 30, 2021
Available-for-sale
U.S. Treasury securities	$	3,929	$	1	$	(84	)	$	3,846
U.S. Government agencies		13,999		—		(182	)		13,817
Mortgage-backed securities of government agencies		134,329		540		(1,931	)		132,938
Asset-backed securities of government agencies		787		—		(26	)		761
State and political subdivisions		25,533		386		(160	)		25,759
Corporate bonds		8,301		75		(43	)		8,333
Total available-for-sale		186,878		1,002		(2,426	)		185,454
Held-to-maturity
Mortgage-backed securities of government agencies		50,166		101		(398	)		49,869
State and political subdivisions		1,151		1		(8	)		1,144
Total held-to-maturity		51,317		102		(406	)		51,013
Equity securities		53		54		—			107
Restricted stock		4,614		—		—			4,614
Total securities	$	242,862	$	1,158	$	(2,832	)	$	241,188
December 31, 2020
Available-for-sale
U.S. Treasury security	$	999	$	12	$	—		$	1,011
U.S. Government agencies		13,998		8		—			14,006
Mortgage-backed securities of government agencies		138,964		1,184		(136	)		140,012
Asset-backed securities of government agencies		848		—		(11	)		837
State and political subdivisions		23,422		544		—			23,966
Corporate bonds		10,841		42		(277	)		10,606
Total available-for-sale		189,072		1,790		(424	)		190,438
Held-to-maturity
Mortgage-backed securities of government agencies		5,620		192		(12	)		5,800
State and political subdivisions		3,425		—		—			3,425
Total held-to-maturity		9,045		192		(12	)		9,225
Equity securities		53		34		—			87
Restricted stock		4,614		—		—			4,614
Total securities	$	202,784	$	2,016	$	(436	)	$	204,364

Summary of Amortized Cost and Fair Value of Debt Securities

The amortized cost and fair value of debt securities on September 30, 2021, by contractual maturity, are shown below.  Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

(Dollars in thousands)	Amortized cost		Fair value
Available-for-sale
Due in one year or less	$	1,443	$	1,445
Due after one through five years		23,486		23,623
Due after five through ten years		32,930		32,813
Due after ten years		129,019		127,573
Total debt securities available-for-sale	$	186,878	$	185,454
Held-to-maturity
Due after five through ten years		500		501
Due after ten years		50,817		50,512
Total debt securities held-to-maturity	$	51,317	$	51,013

Summary of Gross Unrealized Losses and Fair Value of Available for Sale Securities

The following table presents gross unrealized losses and fair value of securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, on September 30, 2021 and December 31, 2020:

	Securities in a continuous unrealized loss position
	Less than 12 months					12 months or more					Total
(Dollars in thousands)	Gross unrealized losses			Fair value		Gross unrealized losses			Fair value		Gross unrealized losses			Fair value
September 30, 2021
Available-for-sale
U.S. Treasury Securities	$	(84	)	$	2,845	$	—		$	—	$	(84	)	$	2,845
U.S. Government agencies		(182	)		13,817		—			—		(182	)		13,817
Mortgage-backed securities of government    agencies		(1,833	)		104,262		(98	)		2,654		(1,931	)		106,916
Asset-backed securities of government    agencies		—			—		(26	)		761		(26	)		761
State and political subdivisions		(160	)		10,125		—			—		(160	)		10,125
Corporate bonds		(6	)		531		(37	)		962		(43	)		1,493
Held-to-maturity
Mortgage-backed securities of government    agencies		(383	)		41,228		(15	)		1,242		(398	)		42,470
State and political subdivisions		(8	)		473		—			—		(8	)		473
Total temporarily impaired securities	$	(2,656	)	$	173,281	$	(176	)	$	5,619	$	(2,832	)	$	178,900
December 31, 2020
Available-for-sale
Mortgage-backed securities of government    agencies	$	(70	)	$	10,808	$	(66	)	$	8,974	$	(136	)	$	19,782
Asset-backed securities of government    agencies		—			—		(11	)		837		(11	)		837
Corporate bonds		(32	)		1,968		(245	)		3,733		(277	)		5,701
Held-to-maturity															—
Mortgage-backed securities of government    agencies		(12	)		1,734		—			—		(12	)		1,734
Total temporarily impaired securities	$	(114	)	$	14,510	$	(322	)	$	13,544	$	(436	)	$	28,054