Securities (Tables)

12 Months Ended

Dec. 31, 2023

Securities [Abstract]

Amortized Cost, Estimated Fair Value and Unrealized Gains (Losses) of Available for Sale ("AFS") Securities

The amortized cost, estimated fair value and unrealized gains (losses) of AFS securities are as follows:

(In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Estimated Fair Value
As of December 31, 2023
U.S. treasury	$	133,302	$	-	$	(8,278	)	$	125,024
Federal agency		248,384		-		(33,644	)		214,740
State & municipal		96,251		11		(9,956	)		86,306
Mortgage-backed:
Government-sponsored enterprises		399,532		7		(44,264	)		355,275
U.S. government agency securities		74,281		14		(7,302	)		66,993
Collateralized mortgage obligations:
Government-sponsored enterprises		452,715		15		(48,257	)		404,473
U.S. government agency securities		162,171		-		(25,100	)		137,071
Corporate		48,442		-		(7,466	)		40,976
Total AFS securities	$	1,615,078	$	47	$	(184,267	)	$	1,430,858
As of December 31, 2022
U.S. treasury	$	132,891	$	-	$	(11,233	)	$	121,658
Federal agency		248,419		-		(42,000	)		206,419
State & municipal		97,036		5		(14,190	)		82,851
Mortgage-backed:
Government-sponsored enterprises		454,177		9		(54,675	)		399,511
U.S. government securities		81,844		15		(7,676	)		74,183
Collateralized mortgage obligations:
Government-sponsored enterprises		498,021		9		(59,473	)		438,557
U.S. government securities		171,090		-		(21,284	)		149,806
Corporate		60,404		-		(6,164	)		54,240
Total AFS securities	$	1,743,882	$	38	$	(216,695	)	$	1,527,225

Amortized Cost, Estimated Fair Value and Unrealized Gains (Losses) of Held to Maturity ("HTM") Securities

The amortized cost, estimated fair value and unrealized gains (losses) of HTM securities are as follows:

(In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Estimated Fair Value
As of December 31, 2023
Federal agency	$	100,000	$	-	$	(17,784	)	$	82,216
Mortgage-backed:
Government-sponsored enterprises		228,720		-		(31,613	)		197,107
U.S. government agency securities		17,086		3		(566	)		16,523
Collateralized mortgage obligations:
Government-sponsored enterprises		187,457		57		(12,021	)		175,493
U.S. government agency securities		63,878		-		(10,908	)		52,970
State & municipal		308,126		211		(18,122	)		290,215
Total HTM securities	$	905,267	$	271	$	(91,014	)	$	814,524
As of December 31, 2022
Federal agency	$	100,000	$	-	$	(20,678	)	$	79,322
Mortgage-backed:
Government-sponsored enterprises		249,511		-		(36,819	)		212,692
U.S. government agency securities		18,396		4		(619	)		17,781
Collateralized mortgage obligations:
Government-sponsored enterprises		207,738		200		(14,876	)		193,062
U.S. government agency securities		66,628		-		(9,842	)		56,786
State & municipal		277,244		5		(24,245	)		253,004
Total HTM securities	$	919,517	$	209	$	(107,079	)	$	812,647

Gains and (Losses) on Equity Securities

The following table sets forth information with regard to gains and (losses) on equity securities:

	Years Ended December 31,
(In thousands)	2023		2022
Net gains and (losses) recognized on equity securities	$	135	$	(1,135	)
Less: Net gains and (losses) recognized on equity securities sold during the period		-		-
Unrealized gains and (losses) recognized on equity securities still held	$	135	$	(1,135	)

Contractual Maturities of Debt Securities

The following table sets forth information with regard to contractual maturities of debt securities at December 31, 2023:

(In thousands)	Amortized Cost		Estimated Fair Value
AFS debt securities:
Within one year	$	50,389	$	49,462
From one to five years		536,097		483,546
From five to ten years		356,944		315,359
After ten years		671,648		582,491
Total AFS debt securities	$	1,615,078	$	1,430,858
HTM debt securities:
Within one year	$	92,757	$	92,724
From one to five years		113,075		109,686
From five to ten years		262,943		231,113
After ten years		436,492		381,001
Total HTM debt securities	$	905,267	$	814,524

Investment Securities with Unrealized Losses

The following table sets forth information with regard to investment securities with unrealized losses, for which an allowance for credit losses has not been recorded, segregated according to the length of time the securities had been in a continuous unrealized loss position:

	Less Than 12 Months							12 Months or Longer							Total
(In thousands)	Fair Value		Unrealized Losses			Number of Positions		Fair Value		Unrealized Losses			Number of Positions		Fair Value		Unrealized Losses			Number of Positions
As of December 31, 2023
AFS securities:
U.S. treasury	$	-	$	-			-	$	125,024	$	(8,278	)		8	$	125,024	$	(8,278	)		8
Federal agency		-		-			-		214,740		(33,644	)		16		214,740		(33,644	)		16
State & municipal		-		-			-		85,528		(9,956	)		66		85,528		(9,956	)		66
Mortgage-backed		53		(1	)		7		421,259		(51,565	)		156		421,312		(51,566	)		163
Collateralized mortgage obligations		1,333		(6	)		2		536,678		(73,351	)		118		538,011		(73,357	)		120
Corporate		1,379		(75	)		1		39,597		(7,391	)		14		40,976		(7,466	)		15
Total securities with unrealized losses	$	2,765	$	(82	)		10	$	1,422,826	$	(184,185	)		378	$	1,425,591	$	(184,267	)		388
HTM securities:
Federal agency	$	-	$	-			-	$	82,216	$	(17,784	)		4	$	82,216	$	(17,784	)		4
Mortgage-backed		12,221		(365	)		1		201,320		(31,814	)		33		213,541		(32,179	)		34
Collateralize mortgage obligations		-		-			-		219,820		(22,929	)		54		219,820		(22,929	)		54
State & municipal		14,422		(127	)		21		171,904		(17,995	)		189		186,326		(18,122	)		210
Total securities with unrealized losses	$	26,643	$	(492	)		22	$	675,260	$	(90,522	)		280	$	701,903	$	(91,014	)		302
As of December 31, 2022
AFS securities:
U.S. treasury	$	55,616	$	(3,864	)		5	$	66,042	$	(7,369	)		3	$	121,658	$	(11,233	)		8
Federal agency		-		-			-		206,419		(42,000	)		16		206,419		(42,000	)		16
State & municipal		3,679		(341	)		2		78,395		(13,849	)		64		82,074		(14,190	)		66
Mortgage-backed		204,447		(15,048	)		149		267,926		(47,303	)		32		472,373		(62,351	)		181
Collateralized mortgage obligations		211,612		(14,458	)		77		374,376		(66,299	)		49		585,988		(80,757	)		126
Corporate		34,434		(2,970	)		12		19,806		(3,194	)		6		54,240		(6,164	)		18
Total securities with unrealized losses	$	509,788	$	(36,681	)		245	$	1,012,964	$	(180,014	)		170	$	1,522,752	$	(216,695	)		415
HTM securities:
Federal agency	$	-	$	-			-	$	79,322	$	(20,678	)		4	$	79,322	$	(20,678	)		4
Mortgage-backed		91,417		(9,096	)		21		138,936		(28,342	)		13		230,353		(37,438	)		34
Collateralized mortgage obligations		191,644		(13,863	)		47		48,289		(10,855	)		8		239,933		(24,718	)		55
State & municipal		110,727		(4,930	)		149		82,949		(19,315	)		76		193,676		(24,245	)		225
Total securities with unrealized losses	$	393,788	$	(27,889	)		217	$	349,496	$	(79,190	)		101	$	743,284	$	(107,079	)		318