Investment Securities (Tables)

9 Months Ended

Sep. 30, 2017

Investment Securities [Abstract]

Amortized cost, gross unrealized gains and losses, and fair value of available-for-sale investment securities

As of September 30, 2017
			Gross		Gross
	Amortized		unrealized		unrealized
(In thousands)	cost		gains		losses		Fair value
U.S. government agencies	$	2,128	$	27	$	(5)	$	2,150
Mortgage-backed securities-residential		15,693		172		(15)		15,850
Collateralized mortgage obligations:
Issued or guaranteed by U.S. government agencies		126,671		771		(920)		126,522
Non-agency		—		—		—		—
Corporate bonds		1,700		13		—		1,713
Municipal bonds		7,453		130		(42)		7,541
Other securities		1,706		—		—		1,706
Common stocks		26		—		—		26
Total available for sale	$	155,377	$	1,113	$	(982)	$	155,508

As of December 31, 2016
			Gross		Gross
	Amortized		unrealized		unrealized
(In thousands)	cost		gains		losses		Fair value
U.S. government agencies	$	988	$	—	$	(22)	$	966
Mortgage-backed securities-residential		6,985		70		(17)		7,038
Collateralized mortgage obligations:
Issued or guaranteed by U.S. government agencies		146,666		1,022		(2,129)		145,559
Non-agency		4,121		—		(86)		4,035
Corporate bonds		1,700		1		—		1,701
Municipal bonds		8,691		92		(75)		8,708
Other securities		1,821		—		—		1,821
Common stocks		26		—		—		26
Total available for sale	$	170,998	$	1,185	$	(2,329)	$	169,854

Amortized cost and fair value of investment securities, by contractual maturity

	As of September 30, 2017
	Amortized
(In thousands)	cost		Fair value
Within 1 year	$	1,798	$	1,793
After 1 but within 5 years		7,476		7,558
After 5 but within 10 years		1,007		1,040
After 10 years		1,000		1,013
Mortgage-backed securities-residential		15,693		15,850
Collateralized mortgage obligations:
Issued or guaranteed by U.S. government agencies		126,671		126,522
Total available for sale debt securities		153,645		153,776
No contractual maturity		1,732		1,732
Total available for sale securities	$	155,377	$	155,508

Gross realized gains and losses realized on sale of securities

	For the three months ended				For the nine months ended
	September 30,				September 30,
(In thousands)	2017		2016		2017		2016
Gross realized gains	$	32	$	280	$	325	$	1,426
Gross realized losses		—		—		(17)		(44)
Net realized gains	$	32	$	280	$	308	$	1,382

Investment securities in a continuous unrealized loss position

September 30, 2017	Less than 12 months					12 months or longer					Total
			Gross		Number			Gross		Number			Gross		Number
			unrealized		of			unrealized		of			unrealized		of
(In thousands)	Fair value		losses		positions	Fair value		losses		positions	Fair value		losses		positions
U.S. government agencies	$	1,133	$	(5)	1	$	—	$	—	—	$	1,133	$	(5)	1
Mortgage-backed securities-residential		3,065		(15)	1		—		—	—		3,065		(15)	1
Collateralized mortgage obligations:
Issued or guaranteed by U.S. government agencies		52,109		(342)	20		24,974		(578)	10		77,083		(920)	30
Municipal bonds		661		(1)	2		2,145		(41)	3		2,806		(42)	5
Total available for sale	$	56,968	$	(363)	24	$	27,119	$	(619)	13	$	84,087	$	(982)	37

December 31, 2016	Less than 12 months					12 months or longer					Total
			Gross		Number			Gross		Number			Gross		Number
			unrealized		of			unrealized		of			unrealized		of
(In thousands)	Fair value		losses		positions	Fair value		losses		positions	Fair value		losses		positions
U.S. government agencies	$	966	$	(22)	1	$	—	$	—	—	$	966	$	(22)	1
Mortgage-backed securities-residential		4,237		(17)	2		—		—	—		4,237		(17)	2
Collateralized mortgage obligations:
Issued or guaranteed by U.S. government agencies		73,864		(1,630)	31		12,045		(499)	4		85,909		(2,129)	35
Non-agency		4,035		(86)	3		—		—	—		4,035		(86)	3
Municipal bonds		1,678		(45)	3		2,314		(30)	3		3,992		(75)	6
Total available for sale	$	84,780	$	(1,800)	40	$	14,359	$	(529)	7	$	99,139	$	(2,329)	47