Securities Held to Maturity (Tables)

12 Months Ended

Dec. 31, 2019

Investments, Debt and Equity Securities [Abstract]

Unrealized Gain (Loss) on Investments

The amortized cost of securities held to maturity and their fair values are summarized as follows:

	Amortized  Cost		Gross  Unrealized  Gains		Gross  Unrealized  Losses		Fair  Value
	(In thousands)
December 31, 2019:
U.S. Government agencies	$	6,000	$	13	$	—	$	6,013
Mortgage-backed securities	22,451		300		37		22,714
Corporate bonds	6,500		2		425		6,077
State and political subdivisions	876		16		—		892
	$	35,827	$	331	$	462	$	35,696
December 31, 2018:
U.S. Government agencies	$	8,000	$	11	$	18	$	7,993
Mortgage-backed securities	23,936		142		299		23,779
Corporate bonds	6,500		—		736		5,764
State and political subdivisions	1,040		—		7		1,033
	$	39,476	$	153	$	1,060	$	38,569

Investments Classified by Contractual Maturity Date

Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

(In thousands)	Amortized Cost		Fair  Value
U.S. Government agencies:
Due within one year	$	—	$	—
Due after one year through five years	—		—
Due after five through ten years	3,000		3,011
Due thereafter	3,000		3,002
	6,000		6,013
Mortgage-backed securities
Due within one year	1,151		1,153
Due after one year through five years	11,370		11,552
Due after five through ten years	2,580		2,565
Due thereafter	7,350		7,444
	22,451		22,714
Corporate Bonds
Due within one year	1,500		1,502
Due after one year through five years	—		—
Due after five years through ten years	1,000		956
Due thereafter	4,000		3,619
	6,500		6,077
State and political subdivisions
Due within one year	171		171
Due after one year through five years	705		721
Due after five years through ten years	—		—
	876		892
	$	35,827	$	35,696

Schedule of Unrealized Loss on Investments

The following table provides the gross unrealized losses and fair value of securities in an unrealized loss position, by the length of time that such securities have been in a continuous unrealized loss position:

	Less than 12 Months				More than 12 Months				Total
	Fair  Value		Gross  Unrealized  Losses		Fair  Value		Gross  Unrealized  Losses		Fair  Value		Gross  Unrealized  Losses
	(In thousands)
December 31, 2019:
U.S. Government  agencies	$	—	$	—	$	—	$	—	$	—	$	—
Mortgage-backed securities	1,716		8		3,140		29		4,856		37
Corporate bonds	—		—		4,574		425		4,574		425
State and political subdivisions	—		—		—		—		—		—
	$	1,716	$	8	$	7,714	$	454	$	9,430	$	462
December 31, 2018:
U.S. Government  agencies	$	—	$	—	$	1,982	$	18	$	1,982	$	18
Mortgage-backed securities	8		1		15,205		298		15,213		299
Corporate bonds	1,487		13		4,277		723		5,764		736
State and political subdivisions	180		1		853		6		1,033		7
	$	1,675	$	15	$	22,317	$	1,045	$	23,992	$	1,060