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Investments Securities (Tables)

3 Months Ended

Mar. 31, 2019

Investments Securities [Abstract]

Investment Securities

	March 31, 2019
				Gross			Gross						Weighted
	Amortized			Unrealized			Unrealized			Fair			Average
	Cost			Gains			Losses			Value			Yield
	(In thousands)
Available-for-sale
Mortgage-backed securities
FNMA and FHLMC certificates	$	947,332		$	2,504		$	12,558		$	937,278		2.37%
GNMA certificates		224,157			3,072			671			226,558		3.15%
CMOs issued by US government-sponsored agencies		62,927			-			1,538			61,389		1.90%
Total mortgage-backed securities		1,234,416			5,576			14,767			1,225,225		2.49%
Investment securities
US Treasury securities		10,933			-			74			10,859		1.37%
Obligations of US government-sponsored agencies		2,238			-			42			2,196		1.38%
Other debt securities		1,162			27			-			1,189		2.99%
Total investment securities		14,333			27			116			14,244		1.50%
Total securities available for sale	$	1,248,749		$	5,603		$	14,883		$	1,239,469		2.47%

	December 31, 2018
				Gross			Gross						Weighted
	Amortized			Unrealized			Unrealized			Fair			Average
	Cost			Gains			Losses			Value			Yield
	(In thousands)
Available-for-sale
Mortgage-backed securities
FNMA and FHLMC certificates	$	561,878		$	404		$	8,951		$	553,331		2.59%
GNMA certificates		211,947			1,050			2,827			210,170		3.10%
CMOs issued by US government-sponsored agencies		66,230			-			2,166			64,064		1.90%
Total mortgage-backed securities		840,055			1,454			13,944			827,565		2.66%
Investment securities
US Treasury securities		10,924			-			119			10,805		1.36%
Obligations of US government-sponsored agencies		2,325			-			60			2,265		1.38%
Other debt securities		1,207			15			-			1,222		2.99%
Total investment securities		14,456			15			179			14,292		1.50%
Total securities available-for-sale	$	854,511		$	1,469		$	14,123		$	841,857		2.64%
Held-to-maturity
Mortgage-backed securities
FNMA and FHLMC certificates	$	424,740		$	-		$	14,387		$	410,353		2.07%

	March 31, 2019
	Available-for-sale
	Amortized Cost			Fair Value
	(In thousands)
Mortgage-backed securities
Due from 1 to 5 years
FNMA and FHLMC certificates	$	3,056		$	3,054
Total due from 1 to 5 years		3,056			3,054
Due after 5 to 10 years
CMOs issued by US government-sponsored agencies	$	55,367		$	53,936
FNMA and FHLMC certificates		267,310			266,195
GNMA certificates		94			98
Total due after 5 to 10 years		322,771			320,229
Due after 10 years
FNMA and FHLMC certificates	$	676,966		$	668,029
GNMA certificates		224,063			226,460
CMOs issued by US government-sponsored agencies		7,560			7,453
Total due after 10 years		908,589			901,942
Total mortgage-backed securities		1,234,416			1,225,225
Investment securities
Due less than one year
US Treasury securities	$	10,933		$	10,859
Total due in less than one year		10,933			10,859
Due from 1 to 5 years
Obligations of US government-sponsored agencies	$	2,238		$	2,196
Other debt securities		100			100
Total due from 1 to 5 years		2,338			2,296
Due from 5 to 10 years
Other debt securities		1,062			1,089
Total due after 5 to 10 years		1,062			1,089
Total investment securities		14,333			14,244
Total	$	1,248,749		$	1,239,469

Gross Realized Gains and Losses by Category

	March 31, 2019
	12 months or more
	Amortized			Unrealized			Fair
	Cost			Loss			Value
	(In thousands)
Securities available-for-sale
CMOs issued by US Government-sponsored agencies	$	62,927		$	1,538		$	61,389
FNMA and FHLMC certificates		686,773			12,558			674,215
Obligations of US Government and sponsored agencies		2,238			42			2,196
GNMA certificates		73,290			670			72,620
US Treasury Securities		9,983			74			9,909
	$	835,211		$	14,882		$	820,329
	Less than 12 months
	Amortized			Unrealized			Fair
	Cost			Loss			Value
	(In thousands)
Securities available-for-sale
GNMA certificates		20			1			19
	$	20		$	1		$	19
	Total
	Amortized			Unrealized			Fair
	Cost			Loss			Value
	(In thousands)
Securities available-for-sale
CMOs issued by US government-sponsored agencies	$	62,927		$	1,538		$	61,389
FNMA and FHLMC certificates		686,773			12,558			674,215
Obligations of US government and sponsored agencies		2,238			42			2,196
GNMA certificates		73,310			671			72,639
US Treasury Securities		9,983			74			9,909
	$	835,231		$	14,883		$	820,348

	December 31, 2018
	12 months or more
	Amortized			Unrealized			Fair
	Cost			Loss			Value
	(In thousands)
Securities available-for-sale
CMOs issued by US Government-sponsored agencies	$	66,230		$	2,166		$	64,064
FNMA and FHLMC certificates		357,955			8,603			349,352
Obligations of US Government and sponsored agencies		2,325			60			2,265
GNMA certificates		131,044			2,739			128,305
US Treasury Securities		9,977			119			9,858
	$	567,531		$	13,687		$	553,844
Securities held-to-maturity
FNMA and FHLMC certificates	$	424,740		$	14,387		$	410,353
	Less than 12 months
	Amortized			Unrealized			Fair
	Cost			Loss			Value
	(In thousands)
Securities available-for-sale
FNMA and FHLMC certificates		109,772			348			109,424
GNMA certificates		17,126			88			17,038
US Treasury Securities		323			-			323
	$	127,221		$	436		$	126,785
	Total
	Amortized			Unrealized			Fair
	Cost			Loss			Value
	(In thousands)
Securities available-for-sale
CMOs issued by US Government-sponsored agencies		66,230			2,166			64,064
FNMA and FHLMC certificates		467,727			8,951			458,776
Obligations of US government and sponsored agencies		2,325			60			2,265
GNMA certificates		148,170			2,827			145,343
US Treasury Securities		10,300			119			10,181
	$	694,752		$	14,123		$	680,629
Securities held-to-maturity
FNMA and FHLMC certificates	$	424,740		$	14,387		$	410,353

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- Definition

A table of investments, shown as a text block.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 6
-Section 10
-Paragraph (c)
-Subparagraph (1)

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- Definition

Tabular disclosure of unrealized gains and losses on investments.

+ References

No definition available.

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