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Securities (Tables)

9 Months Ended

Sep. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of available-for-sale securities

The following tables summarize available-for-sale debt securities held by the Company at September 30, 2022 and December 31, 2021:

			Available-for-Sale Debt Securities
September 30, 2022			Amortized Cost			Gross Unrealized Gains			Gross Unrealized Losses			Fair Value
(In thousands)
U.S. Treasuries			$	191,108		$	0		$	24,504		$	166,604
Obligations of U.S. Government sponsored entities			828,313			0			98,285			730,028
Obligations of U.S. states and political subdivisions			95,162			0			12,101			83,061
Mortgage-backed securities – residential, issued by
U.S. Government agencies			61,553			9			6,503			55,059
U.S. Government sponsored entities			831,465			0			127,651			703,814
U.S. corporate debt securities			2,500			0			130			2,370
Total available-for-sale debt securities			$	2,010,101		$	9		$	269,174		$	1,740,936

			Available-for-Sale Debt Securities
December 31, 2021			Amortized Cost			Gross Unrealized Gains			Gross Unrealized Losses			Fair Value
(In thousands)
U.S. Treasuries			$	160,291		$	85		$	2,542		$	157,834
Obligations of U.S. Government sponsored entities			843,218			4,527			15,372			832,373
Obligations of U.S. states and political subdivisions			102,177			2,092			100			104,169
Mortgage-backed securities – residential, issued by
U.S. Government agencies			76,502			1,187			532			77,157
U.S. Government sponsored entities			879,102			5,735			14,281			870,556
U.S. corporate debt securities			2,500			0			76			2,424
Total available-for-sale debt securities			$	2,063,790		$	13,626		$	32,903		$	2,044,513

Schedule of held-to-maturity securities

The following tables summarize held-to-maturity debt securities held by the Company at September 30, 2022 and December 31, 2021:

			Held-to-Maturity Securities
September 30, 2022			Amortized Cost			Gross Unrealized Gains			Gross Unrealized Losses			Fair Value
(In thousands)
U.S. Treasuries			$	86,530		$	0		$	13,494		$	73,036
Obligations of U.S. Government sponsored entities			225,799			0			40,080			185,719
Total held-to-maturity debt securities			$	312,329		$	0		$	53,574		$	258,755

			Held-to-Maturity Securities
December 31, 2021			Amortized Cost			Gross Unrealized Gains			Gross Unrealized Losses			Fair Value
(In thousands)
U.S. Treasuries			$	86,689		$	279		$	600		$	86,368
Obligations of U.S. Government sponsored entities			197,320			389			1,789			195,920
Total held-to-maturity debt securities			$	284,009		$	668		$	2,389		$	282,288

Schedule of available-for-sale securities with unrealized losses

The following table summarizes available-for-sale debt securities that had unrealized losses at September 30, 2022, and December 31, 2021:

September 30, 2022			Less than 12 Months						12 Months or Longer						Total
(In thousands)			Fair Value			Unrealized Losses			Fair Value			Unrealized Losses			Fair Value			Unrealized Losses
U.S. Treasuries			$	46,222		$	5,380		$	120,382		$	19,124		$	166,604		$	24,504
Obligations of U.S. Government sponsored entities			182,146			13,817			547,882			84,468			730,028			98,285
Obligations of U.S. states and political subdivisions			74,961			9,682			8,075			2,419			83,036			12,101
Mortgage-backed securities – residential, issued by
U.S. Government agencies			30,615			2,076			24,071			4,427			54,686			6,503
U.S. Government sponsored entities			233,738			25,929			470,077			101,722			703,815			127,651
U.S. corporate debt securities			0			0			2,370			130			2,370			130
Total available-for-sale debt securities			$	567,682		$	56,884		$	1,172,857		$	212,290		$	1,740,539		$	269,174

December 31, 2021			Less than 12 Months						12 Months or Longer						Total
(In thousands)			Fair Value			Unrealized Losses			Fair Value			Unrealized Losses			Fair Value			Unrealized Losses
U.S. Treasuries			$	147,810		$	2,542		$	0		$	0		$	147,810		$	2,542
Obligations of U.S. Government sponsored entities			362,895			6,694			289,210			8,678			652,105			15,372
Obligations of U.S. states and political subdivisions			9,700			85			1,283			15			10,983			100
Mortgage-backed securities – residential, issued by
U.S. Government agencies			22,074			160			16,846			372			38,920			532
U.S. Government sponsored entities			553,351			11,440			84,537			2,841			637,888			14,281
U.S. corporate debt securities			0			0			2,424			76			2,424			76
Total available-for-sale debt securities			$	1,095,830		$	20,921		$	394,300		$	11,982		$	1,490,130		$	32,903

Schedule held-to-maturity securities with unrealized losses

The following table summarizes held-to-maturity debt securities that had unrealized losses at September 30, 2022 and December 31, 2021:

September 30, 2022			Less than 12 Months						12 Months or Longer						Total
(In thousands)			Fair Value			Unrealized Losses			Fair Value			Unrealized Losses			Fair Value			Unrealized Losses
U.S. Treasuries			$	43,325		$	7,410		$	29,711		$	6,084		$	73,036		$	13,494
Obligations of U.S. Government sponsored entities			119,809			24,768			65,910			15,312			185,719			40,080
Total held-to-maturity debt securities			$	163,134		$	32,178		$	95,621		$	21,396		$	258,755		$	53,574

December 31, 2021			Less than 12 Months						12 Months or Longer						Total
(In thousands)			Fair Value			Unrealized Losses			Fair Value			Unrealized Losses			Fair Value			Unrealized Losses
U.S. Treasuries			$	35,280		$	600		$	0		$	0		$	35,280		$	600
Obligations of U.S. Government sponsored entities			84,592			1,789			0			0			84,592			1,789
Total held-to-maturity debt securities			$	119,872		$	2,389		$	0		$	0		$	119,872		$	2,389

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

September 30, 2022
(In thousands)			Amortized Cost			Fair Value
Available-for-sale debt securities:
Due in one year or less			$	32,225		$	31,929
Due after one year through five years			572,260			520,304
Due after five years through ten years			470,646			398,123
Due after ten years			41,952			31,707
Total			1,117,083			982,063
Mortgage-backed securities			893,018			758,873
Total available-for-sale debt securities			$	2,010,101		$	1,740,936

December 31, 2021
(In thousands)			Amortized Cost			Fair Value
Available-for-sale debt securities:
Due in one year or less			$	77,159		$	77,892
Due after one year through five years			474,537			471,776
Due after five years through ten years			501,748			492,573
Due after ten years			54,742			54,559
Total			1,108,186			1,096,800
Mortgage-backed securities			955,604			947,713
Total available-for-sale debt securities			$	2,063,790		$	2,044,513

September 30, 2022
(In thousands)			Amortized Cost			Fair Value
Held-to-maturity debt securities:
Due after five years through ten years			$	312,329		$	258,755
Total held-to-maturity debt securities			$	312,329		$	258,755

December 31, 2021
(In thousands)			Amortized Cost			Fair Value
Held-to-maturity debt securities:
Due after five years through ten years			$	284,009		$	282,288
Total held-to-maturity debt securities			$	284,009		$	282,288

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Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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