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Securities (Tables)

9 Months Ended

Sep. 30, 2019

Investments, Debt and Equity Securities [Abstract]

Schedule of available-for-sale securities

The following table summarizes available-for-sale securities held by the Company at September 30, 2019:

	Available-for-Sale Securities
September 30, 2019	Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
(In thousands)
U.S. Treasuries	$	1,356			$	0			$	0			$	1,356
Obligations of U.S. Government sponsored entities	314,740				2,039				63				316,716
Obligations of U.S. states and political subdivisions	84,744				1,152				60				85,836
Mortgage-backed securities – residential, issued by
U.S. Government agencies	176,737				1,429				1,319				176,847
U.S. Government sponsored entities	560,009				2,920				3,664				559,265
U.S. corporate debt securities	2,500				0				68				2,432
Total available-for-sale securities	$	1,140,086			$	7,540			$	5,174			$	1,142,452

 The following table summarizes available-for-sale securities held by the Company at December 31, 2018:  

	Available-for-Sale Securities
December 31, 2018	Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
(In thousands)
U.S. Treasuries	$	289			$	0			$	0			$	289
Obligations of U.S. Government sponsored entities	493,371				80				7,553				485,898
Obligations of U.S. states and political subdivisions	86,260				113				933				85,440
Mortgage-backed securities – residential, issued by
U.S. Government agencies	131,831				168				3,732				128,267
U.S. Government sponsored entities	649,620				537				19,599				630,558
Non-U.S. Government agencies or sponsored entities	31				0				0				31
U.S. corporate debt securities	2,500				0				325				2,175
Total available-for-sale securities	$	1,363,902			$	898			$	32,142			$	1,332,658

Schedule of held-to-maturity securities

The following table summarizes held-to-maturity securities held by the Company at September 30, 2019:  

	Held-to-Maturity Securities
September 30, 2019	Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
(In thousands)
Obligations of U.S. Government sponsored entities	$	131,001			$	3,882			$	0			$	134,883
Obligations of U.S. states and political subdivisions	7,656				44				0				7,700
Total held-to-maturity debt securities	$	138,657			$	3,926			$	0			$	142,583

The following table summarizes held-to-maturity securities held by the Company at December 31, 2018:  

	Held-to-Maturity Securities
December 31, 2018	Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
(In thousands)
Obligations of U.S. Government sponsored entities	$	131,306			$	0			$	1,198			$	130,108
Obligations of U.S. states and political subdivisions	9,273				20				24				9,269
Total held-to-maturity debt securities	$	140,579			$	20			$	1,222			$	139,377

Schedule of available-for-sale securities with unrealized losses

The following table summarizes available-for-sale securities that had unrealized losses at September 30, 2019:  

	Less than 12 Months								12 Months or Longer								Total
(In thousands)	Fair Value				Unrealized Losses				Fair Value				Unrealized Losses				Fair Value				Unrealized Losses
Obligations of U.S. Government sponsored entities	$	9,451			$	49			$	8,540			$	14			$	17,991			$	63
Obligations of U.S. states and political subdivisions	5,761				45				2,295				15				8,056				60
Mortgage-backed securities – residential, issued by
U.S. Government agencies	57,136				336				49,624				983				106,760				1,319
U.S. Government sponsored entities	42,056				276				296,532				3,388				338,588				3,664
U.S. corporate debt securities	0				0				2,432				68				2,432				68
Total available-for-sale securities	$	114,404			$	706			$	359,423			$	4,468			$	473,827			$	5,174

The following table summarizes available-for-sale securities that had unrealized losses at December 31, 2018:  

	Less than 12 Months								12 Months or Longer								Total
(In thousands)	Fair Value				Unrealized Losses				Fair Value				Unrealized Losses				Fair Value				Unrealized Losses
Obligations of U.S. Government sponsored entities	$	21,660			$	183			$	449,141			$	7,370			$	470,801			$	7,553
Obligations of U.S. states and political subdivisions	11,971				19				49,756				914				61,727				933
Mortgage-backed securities – residential, issued by
U.S. Government agencies	16,854				22				96,247				3,710				113,101				3,732
U.S. Government sponsored entities	61,163				662				512,216				18,937				573,379				19,599
U.S. corporate debt securities	0				0				2,175				325				2,175				325
Total available-for-sale securities	$	111,648			$	886			$	1,109,535			$	31,256			$	1,221,183			$	32,142

Schedule held-to-maturity securities with unrealized losses

The following table summarizes held-to-maturity securities that had unrealized losses at December 31, 2018.

	Less than 12 Months								12 Months or Longer								Total
(In thousands)	Fair Value				Unrealized Losses				Fair Value				Unrealized Losses				Fair Value				Unrealized Losses
Obligations of U.S. Government sponsored entities	$	4,980			$	9			$	125,128			$	1,189			$	130,108			$	1,198
Obligations of U.S. states and political subdivisions	8,127				24				0				0				8,127				24
Total held-to-maturity securities	$	13,107			$	33			$	125,128			$	1,189			$	138,235			$	1,222

Schedule of amortized cost and estimated fair value of debt securities by contractual maturity

The amortized cost and estimated fair value of debt securities by contractual maturity are shown in the following table. Expected maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties. Mortgage-backed securities are shown separately since they are not due at a single maturity date.

September 30, 2019
(In thousands)	Amortized Cost				Fair Value
Available-for-sale securities:
Due in one year or less	$	91,952			$	92,005
Due after one year through five years	225,410				227,476
Due after five years through ten years	75,180				75,930
Due after ten years	10,798				10,929
Total	403,340				406,340
Mortgage-backed securities	736,746				736,112
Total available-for-sale debt securities	$	1,140,086			$	1,142,452

December 31, 2018
(In thousands)	Amortized Cost				Fair Value
Available-for-sale securities:
Due in one year or less	$	78,160			$	77,930
Due after one year through five years	355,499				350,470
Due after five years through ten years	139,560				136,734
Due after ten years	9,201				8,668
Total	582,420				573,802
Mortgage-backed securities	781,482				758,856
Total available-for-sale debt securities	$	1,363,902			$	1,332,658

September 30, 2019
(In thousands)	Amortized Cost				Fair Value
Held-to-maturity securities:
Due in one year or less	$	17,696			$	17,744
Due after one year through five years	95,979				98,494
Due after five years through ten years	24,982				26,345
Total held-to-maturity debt securities	$	138,657			$	142,583

December 31, 2018
(In thousands)	Amortized Cost				Fair Value
Held-to-maturity securities:
Due in one year or less	$	8,850			$	8,832
Due after one year through five years	86,520				85,645
Due after five years through ten years	45,209				44,900
Total held-to-maturity debt securities	$	140,579			$	139,377

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