Securities (Tables)

12 Months Ended

Dec. 31, 2020

Securities

Summary of available for sale debt securities

	December 31, 2020
			Gross		Gross
	Amortized		Unrealized		Unrealized
(Dollars in thousands)	Cost		Gains		Losses		Fair Value
U.S. government agencies and corporations	$	48,171	$	121	$	(10)	$	48,282
Mortgage-backed securities		120,664		3,165		(115)		123,714
Obligations of states and political subdivisions		100,405		2,436		(36)		102,805
Corporate and other debt securities		11,584		47		(43)		11,588
	$	280,824	$	5,769	$	(204)	$	286,389

	December 31, 2019
			Gross		Gross
	Amortized		Unrealized		Unrealized
(Dollars in thousands)	Cost		Gains		Losses		Fair Value
U.S. government agencies and corporations	$	21,454	$	3	$	(17)	$	21,440
Mortgage-backed securities		85,649		979		(43)		86,585
Obligations of states and political subdivisions		80,656		1,111		(59)		81,708
	$	187,759	$	2,093	$	(119)	$	189,733

Schedule of amortized cost and estimated fair value of securities, by the earlier of contractual maturity or expected maturity

	December 31, 2020
	Amortized
(Dollars in thousands)	Cost		Fair Value
Due in one year or less	$	74,739	$	75,015
Due after one year through five years		153,514		157,622
Due after five years through ten years		50,490		51,572
Due after ten years		2,081		2,180
	$	280,824	$	286,389

Schedule of gross realized gains and losses and the proceeds

	Year Ended December 31,
(Dollars in thousands)	2020		2019		2018
Realized gains from sales, maturities and calls of securities:
Gross realized gains	$	38	$	10	$	10
Gross realized losses		—		—		—
Net realized gains	$	38	$	10	$	10
Proceeds from sales, maturities, calls and paydowns of securities	$	123,741	$	75,583	$	51,067

Schedule of securities in an unrealized loss position

	Less Than 12 Months				12 Months or More				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(Dollars in thousands)	Value		Loss		Value		Loss		Value		Loss
U.S. government agencies and corporations	$	12,719	$	10	$	—	$	—	$	12,719	$	10
Mortgage-backed securities		15,691		115		—		—		15,691		115
Obligations of states and political subdivisions		5,110		36		—		—		5,110		36
Corporate and other debt securities		4,271		43		—		—		4,271		43
Total temporarily impaired securities	$	37,791	$	204	$	—	$	—	$	37,791	$	204

	Less Than 12 Months				12 Months or More				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(Dollars in thousands)	Value		Loss		Value		Loss		Value		Loss
U.S. government agencies and corporations	$	6,256	$	11	$	4,094	$	6	$	10,350	$	17
Mortgage-backed securities		4,099		7		10,166		36		14,265		43
Obligations of states and political subdivisions		9,187		53		1,368		6		10,555		59
Total temporarily impaired securities	$	19,542	$	71	$	15,628	$	48	$	35,170	$	119