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Investment Securities (Tables)

3 Months Ended

Mar. 31, 2021

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 March 31, 2021 and December 31, 2020 were as follows:

	Available-for-Sale
	March 31, 2021
			Gross		Gross			Estimated
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(Dollars in Thousands)
Mortgage-backed securities:
Residential	$	25,801	$	745	$	(5	)	$	26,541
Commercial		36,217		723		(85	)		36,855
Obligations of states and political subdivisions		3,729		126		—			3,855
Corporate notes		2,713		59		—			2,772
U.S. Treasury securities		82		—		(1	)		81
Total	$	68,542	$	1,653	$	(91	)	$	70,104

	Held-to-Maturity
	March 31, 2021
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	(Dollars in Thousands)
Mortgage-backed securities:
Commercial	$	3,644	$	79	$	—	$	3,723
Obligations of U.S. government-sponsored agencies		1,054		21		—		1,075
Obligations of states and political subdivisions		981		16		—		997
Total	$	5,679	$	116	$	—	$	5,795

	Available-for-Sale
	December 31, 2020
			Gross		Gross			Estimated
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			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

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 March 31, 2021 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	$	89	$	89	$	402	$	409
Maturing after one to five years		6,759		6,943		360		363
Maturing after five to ten years		32,638		33,636		2,391		2,450
Maturing after ten years		29,056		29,436		2,526		2,573
Total	$	68,542	$	70,104	$	5,679	$	5,795

Schedule of Unrealized Loss on Investments

The following tables reflect 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 March 31, 2021 and December 31, 2020. There were no investments held-to-maturity in an unrealized loss position as of March 31, 2021.

	Available-for-Sale
	March 31, 2021
	Less than 12 Months					12 Months or More
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in Thousands)
Mortgage-backed securities:
Residential	$	196	$	—		$	952	$	(5	)
Commercial		—		—			3,282		(85	)
U.S. Treasury securities		81		(1	)		—		—
Total	$	277	$	(1	)	$	4,234	$	(90	)

	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	$	—	$	—	$	—