Investment Securities (Tables)

12 Months Ended

Dec. 31, 2020

Investments Debt And Equity Securities [Abstract]

Schedule of Investment Securities Available-for-Sale and Held-to-Maturity

Details of investment securities available-for-sale and held-to-maturity as of December 31, 2020 and 2019 were as follows:

	Available-for-Sale
	December 31, 2020
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(Dollars in Thousands)
Mortgage-backed securities:
Residential	$	24,680	$	865	$	(8	)	$	25,537
Commercial		40,849		780		(142	)		41,487
Obligations of states and political subdivisions		4,971		137		—			5,108
Corporate notes		2,711		73		—			2,784
U.S. Treasury securities		10,078		—		(1	)		10,077
Total	$	83,289	$	1,855	$	(151	)	$	84,993

	Held-to-Maturity
	December 31, 2020
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(Dollars in Thousands)
Mortgage-backed securities:
Commercial	$	4,302	$	75	$	—	$	4,377
Obligations of U.S. government-sponsored agencies		1,120		34		—		1,154
Obligations of states and political subdivisions		1,007		21		—		1,028
Total	$	6,429	$	130	$	—	$	6,559

	Available-for-Sale
	December 31, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(Dollars in Thousands)
Mortgage-backed securities:
Residential	$	46,182	$	372	$	(209	)	$	46,345
Commercial		43,686		73		(386	)		43,373
Obligations of states and political subdivisions		4,123		95		—			4,218
U.S. Treasury securities		80		—		—			80
Total	$	94,071	$	540	$	(595	)	$	94,016

	Held-to-Maturity
	December 31, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(Dollars in Thousands)
Mortgage-backed securities:
Commercial	$	8,923	$	2	$	(46	)	$	8,879
Obligations of U.S. government-sponsored agencies		4,324		5		(10	)		4,319
Obligations of states and political subdivisions		1,093		15		—			1,108
Total	$	14,340	$	22	$	(56	)	$	14,306

Maturities of Investment Securities Available-for-Sale and Held-to-Maturity

The scheduled maturities of investment securities available-for-sale and held-to-maturity as of December 31, 2020 are presented in the following table:

	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
	(Dollars in Thousands)
Maturing within one year	$	11,324	$	11,330	$	—	$	—
Maturing after one to five years		4,216		4,372		763		777
Maturing after five to ten years		39,030		40,211		2,716		2,770
Maturing after ten years		28,719		29,080		2,950		3,012
Total	$	83,289	$	84,993	$	6,429	$	6,559

Schedule of Unrealized Loss on Investments

The following table reflects gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, as of December 31, 2020 and 2019.

	Available-for-Sale
	December 31, 2020
	Less than 12 Months					12 Months or More
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in Thousands)
Mortgage-backed securities:
Residential	$	2,334	$	(1	)	$	1,019	$	(7	)
Commercial		2,630		(1	)		3,327		(141	)
U.S. Treasury securities		10,077		(1	)		—		—
Total	$	15,041	$	(3	)	$	4,346	$	(148	)

	Held-to-Maturity
	December 31, 2020
	Less than 12 Months				12 Months or More
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
	(Dollars in Thousands)
Mortgage-backed securities:
Commercial	$	412	$	—	$	—	$	—
Total	$	412	$	—	$	—	$	—

	Available-for-Sale
	December 31, 2019
	Less than 12 Months					12 Months or More
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in Thousands)
Mortgage-backed securities:
Residential	$	17,340	$	(66	)	$	10,094	$	(143	)
Commercial		3,794		(25	)		29,754		(361	)
U.S. Treasury securities		80		—			—		—
Total	$	21,214	$	(91	)	$	39,848	$	(504	)

	Held-to-Maturity
	December 31, 2019
	Less than 12 Months					12 Months or More
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in Thousands)
Mortgage-backed securities:
Commercial	$	685	$	—		$	6,405	$	(46	)
Obligations of U.S. government-sponsored agencies		846		(4	)		2,994		(6	)
Total	$	1,531	$	(4	)	$	9,399	$	(52	)