Securities (Tables)

3 Months Ended

Mar. 31, 2018

Securities

Summary of amortized cost and fair value of available-for-sale investment securities portfolios and corresponding amounts of unrealized gains and losses

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	(In thousands)
March 31, 2018:
Federal agency mortgage-backed securities	$	11,357	$	118	$	(170)	$	11,305
Federal agency debt	5,498		-		(109)		5,389
Total available-for-sale securities	$	16,855	$	118	$	(279)	$	16,694
December 31, 2017:
Federal agency mortgage-backed securities	$	11,877	$	168	$	(37)	$	12,008
Federal agency debt	5,495		2		(11)		5,486
Total available-for-sale securities	$	17,372	$	170	$	(48)	$	17,494

Summary of securities in unrealized loss positions

	Less than 12 months				12 months or more				Total
	Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
	(In thousands)
March 31, 2018:
Federal agency mortgage-backed securities	$	7,089	$	(140)	$	771	$	(30)	$	7,860	$	(170)
Federal agency debt	5,389		(109)		-		-		5,389		(109)
Total temporarily impaired	$	12,478	$	(249)	$	771	$	(30)	$	13,249	$	(279)
December 31, 2017:
Federal agency mortgage-backed securities	$	4,130	$	(20)	$	812	$	(17)	$	4,942	$	(37)
Federal agency debt	3,510		(11)		-				3,510		(11)
Total temporarily impaired	$	7,640	$	(31)	$	812	$	(17)	$	8,452	$	(48)