Investment Securities (Tables)

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Summary of Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Investment Securities Available for Sale

The amortized cost, gross unrealized gains and losses, and fair value of investment securities available for sale are summarized as follows:

	December 31, 2021
(In Thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for Sale:
Small Business Administration loan pools	$	1,099	$	—	$	(15	)	$	1,084
Obligations of state and political subdivisions		46,115		2,405		(38	)		48,482
Mortgage-backed securities in government-sponsored entities		54,239		382		(404	)		54,217
Total available-for-sale securities	$	101,453	$	2,787	$	(457	)	$	103,783
	December 31, 2020
(In Thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for Sale:
Small Business Administration loan pools	$	7,835	$	198	$	(39	)	$	7,994
Obligations of state and political subdivisions		49,167		2,895		(3	)		52,059
Mortgage-backed securities in government-sponsored entities		64,406		1,068		(80	)		65,394
Total available-for-sale securities	$	121,408	$	4,161	$	(122	)	$	125,447

Summary of Gross Unrealized Losses and Fair Value

The following tables show the Company's gross unrealized losses and fair value, aggregated by investment category and length of time the individual debt securities have been in a continuous unrealized loss position.

	December 31, 2021
	Less Than Twelve Months					Twelve Months or Greater					Total
(In Thousands)	Fair Value		Gross Unrealized Loss			Fair Value		Gross Unrealized Loss			Fair Value		Gross Unrealized Loss
Available for Sale:
Small Business Administration loan pools	$	-	$	-		$	1,084	$	(15	)	$	1,084	$	(15	)
Obligations of state and political subdivisions		3,189		(38	)		—		—			3,189		(38	)
Mortgage-backed securities in government-sponsored entities		23,420		(266	)		4,687		(102	)		28,107		(368	)
Total available-for-sale securities	$	26,609	$	(304	)	$	5,771	$	(117	)	$	32,380	$	(421	)
	December 31, 2020
	Less Than Twelve Months					Twelve Months or Greater					Total
(In Thousands)	Fair Value		Gross Unrealized Loss			Fair Value		Gross Unrealized Loss			Fair Value		Gross Unrealized Loss
Available for Sale:
Small Business Administration loan pools	$	2,059	$	(9	)	$	1,539	$	(30	)	$	3,598	$	(39	)
Obligations of state and political subdivisions		557		(3	)		—		—			557		(3	)
Mortgage-backed securities in government-sponsored entities		12,245		(80	)		—		—			12,245		(80	)
Total available-for-sale securities	$	14,861	$	(92	)	$	1,539	$	(30	)	$	16,400	$	(122	)

Summary of Amortized Cost and Fair Value by Contractual Maturity

Amortized cost and fair value by contractual maturity, where applicable, are shown below. Actual maturities may differ from contractual maturities because the borrower may have the right to prepay obligations with or without penalty.

	December 31, 2021
(In Thousands)	Amortized Cost		Fair Value
Available for Sale:
Due within one year	$	1,195	$	1,200
Due after one year through five years		5,442		5,593
Due after five years through ten years		12,006		12,400
Due after ten years		28,571		30,373
Mortgage-backed securities and Collateralized Mortgage Obligations		54,239		54,217
	$	101,453	$	103,783

Summary of Sales of Debt Securities

The following table summarizes sales of debt securities:

	For the Year Ended December 31,
(In Thousands)	2021			2020
Proceeds	$	11,371		$	5,706
Gross gains		127			221
Gross losses		(53	)		(111	)
Net gain	$	74		$	110