SECURITIES (Tables)

12 Months Ended

Dec. 31, 2017

SECURITIES

Schedule of amortized cost and fair value of the available for sale and held to maturity

	December 31,
	2017									2016
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Available for sale:
U.S. GSE securities	$	57,994	$	—	$	(1,180	)	$	56,814	$	64,993	$	—	$	(1,344	)	$	63,649
State and municipal obligations		87,582		259		(819	)		87,022		117,292		212		(1,339	)		116,165
U.S. GSE residential mortgage-backed securities		189,705		29		(2,833	)		186,901		160,446		16		(2,414	)		158,048
U.S. GSE residential collateralized mortgage obligations		314,390		16		(7,016	)		307,390		373,098		149		(5,736	)		367,511
U.S. GSE commercial mortgage-backed securities		6,017		2		(40	)		5,979		6,337		6		(36	)		6,307
U.S. GSE commercial collateralized mortgage obligations		49,965		—		(1,249	)		48,716		56,148		—		(956	)		55,192
Other asset backed securities		24,250		—		(849	)		23,401		24,250		—		(1,697	)		22,553
Corporate bonds		46,000		—		(2,307	)		43,693		32,000		—		(1,703	)		30,297
Total available for sale		775,903		306		(16,293	)		759,916		834,564		383		(15,225	)		819,722
Held to maturity:
State and municipal obligations		60,762		972		(64	)		61,670		66,666		1,085		(130	)		67,621
U.S. GSE residential mortgage-backed securities		11,424		—		(261	)		11,163		13,443		—		(287	)		13,156
U.S. GSE residential collateralized mortgage obligations		54,250		244		(666	)		53,828		61,639		352		(552	)		61,439
U.S. GSE commercial mortgage-backed securities		22,953		77		(438	)		22,592		28,772		136		(509	)		28,399
U.S. GSE commercial collateralized mortgage obligations		31,477		—		(845	)		30,632		41,717		93		(573	)		41,237
Corporate bonds		—		—		—			—		11,000		26		—			11,026
Total held to maturity		180,866		1,293		(2,274	)		179,885		223,237		1,692		(2,051	)		222,878
Total securities	$	956,769	$	1,599	$	(18,567	)	$	939,801	$	1,057,801	$	2,075	$	(17,276	)	$	1,042,600

Schedule of securities having a continuous unrealized loss position aggregated by a period of time less than or greater than 12 months

	December 31,
	2017										2016
	Less than 12 months					Greater than 12 months					Less than 12 months					Greater than 12 months
	Estimated		Gross			Estimated		Gross			Estimated		Gross			Estimated		Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(In thousands)	Value		Losses			Value		Losses			Value		Losses			Value		Losses
Available for sale:
U.S. GSE securities	$	—	$	—		$	56,815	$	(1,180	)	$	63,649	$	(1,344	)	$	—	$	—
State and municipal obligations		35,350		(301	)		28,165		(518	)		78,883		(1,338	)		240		(1	)
U.S. GSE residential mortgage-backed securities		107,408		(1,153	)		69,571		(1,680	)		140,514		(2,409	)		241		(5	)
U.S. GSE residential collateralized mortgage obligations		77,705		(759	)		224,932		(6,257	)		319,197		(5,221	)		15,627		(515	)
U.S. GSE commercial mortgage-backed securities		2,345		(40	)		—		—			2,573		(36	)		—		—
U.S. GSE commercial collateralized mortgage obligations		452		(1	)		48,264		(1,248	)		48,901		(886	)		6,292		(70	)
Other asset backed securities		—		—			23,401		(849	)		—		—			22,552		(1,697	)
Corporate bonds		13,588		(412	)		30,105		(1,895	)		17,834		(1,166	)		12,463		(537	)
Total available for sale		236,848		(2,666	)		481,253		(13,627	)		671,551		(12,400	)		57,415		(2,825	)
Held to maturity:
State and municipal obligations		7,709		(57	)		1,009		(7	)		21,867		(130	)		—		—
U.S. GSE residential mortgage-backed securities		1,359		(16	)		9,804		(245	)		13,156		(287	)		—		—
U.S. GSE residential collateralized mortgage obligations		21,329		(94	)		21,112		(572	)		31,297		(455	)		3,873		(97	)
U.S. GSE commercial mortgage-backed securities		8,789		(121	)		8,303		(317	)		12,860		(286	)		5,877		(223	)
U.S. GSE commercial collateralized mortgage obligations		10,341		(116	)		20,290		(729	)		22,666		(372	)		3,790		(201	)
Total held to maturity	$	49,527	$	(404	)	$	60,518	$	(1,870	)	$	101,846	$	(1,530	)	$	13,540	$	(521	)

Schedule of amortized cost, fair value and maturities of the available for sale and held to maturity investment securities portfolio

	December 31, 2017
	Within				After One but				After Five but				After
	One Year				Within Five Years				Within Ten Years				Ten Years				Total
	Estimated				Estimated				Estimated				Estimated				Estimated
	Fair		Amortized		Fair		Amortized		Fair		Amortized		Fair		Amortized		Fair		Amortized
(In thousands)	Value		Cost		Value		Cost		Value		Cost		Value		Cost		Value		Cost
Available for sale:
U.S. GSE securities	$	—	$	—	$	37,271	$	37,994	$	19,543	$	20,000	$	—	$	—	$	56,814	$	57,994
State and municipal obligations		9,588		9,600		45,196		45,683		31,809		31,884		429		415		87,022		87,582
U.S. GSE residential mortgage-backed securities		—		—		—		—		25,203		25,482		161,698		164,223		186,901		189,705
U.S. GSE residential collateralized mortgage obligations		—		—		—		—		5,468		5,543		301,922		308,847		307,390		314,390
U.S. GSE commercial mortgage-backed securities		—		—		5,979		6,017		—		—		—		—		5,979		6,017
U.S. GSE commercial collateralized mortgage obligations		—		—		—		—		—		—		48,716		49,965		48,716		49,965
Other asset backed securities		—		—		—		—		—		—		23,401		24,250		23,401		24,250
Corporate bonds		—		—		—		—		43,693		46,000		—		—		43,693		46,000
Total available for sale		9,588		9,600		88,446		89,694		125,716		128,909		536,166		547,700		759,916		775,903
Held to maturity:
State and municipal obligations		3,766		3,774		17,610		17,430		38,599		37,882		1,695		1,676		61,670		60,762
U.S. GSE residential mortgage-backed securities		—		—		—		—		5,011		5,103		6,152		6,321		11,163		11,424
U.S. GSE residential collateralized mortgage obligations		—		—		—		—		6,769		6,795		47,059		47,455		53,828		54,250
U.S. GSE commercial mortgage-backed securities		—		—		9,373		9,311		4,916		5,022		8,303		8,620		22,592		22,953
U.S. GSE commercial collateralized mortgage obligations		—		—		3,851		4,030		—		—		26,781		27,447		30,632		31,477
Total held to maturity		3,766		3,774		30,834		30,771		55,295		54,802		89,990		91,519		179,885		180,866
Total securities	$	13,354	$	13,374	$	119,280	$	120,465	$	181,011	$	183,711	$	626,156	$	639,219	$	939,801	$	956,769