AVAILABLE-FOR-SALE DEBT SECURITIES (Tables)

12 Months Ended

Dec. 31, 2025

AVAILABLE-FOR-SALE DEBT SECURITIES

Summary of Available-for-Sale Debt Securities

			Gross		Gross
			Unrealized		Unrealized
(in thousands)	Amortized Cost		Gains		Losses		Fair Value		Allowance
December 31, 2025
Debt securities:
Obligations of US Government-sponsored enterprises	$	1,113	$	1	$	(12)	$	1,102	$	—
Mortgage-backed securities and collateralized mortgage obligations:
US Government-sponsored enterprises		268,976		2,734		(22,168)		249,542		—
US Government agency		163,369		347		(9,816)		153,900		—
Private label		11,793		—		(794)		10,999		—
Obligations of states and political subdivisions thereof		120,447		4		(15,912)		104,539		—
Corporate bonds		79,255		233		(2,146)		77,342		—
Total available-for-sale debt securities	$	644,953	$	3,319	$	(50,848)	$	597,424	$	—

			Gross		Gross
			Unrealized		Unrealized
(in thousands)	Amortized Cost		Gains		Losses		Fair Value		Allowance
December 31, 2024
Debt securities:
Obligations of US Government-sponsored enterprises	$	1,344	$	—	$	(26)	$	1,318	$	—
Mortgage-backed securities and collateralized mortgage obligations:
US Government-sponsored enterprises		208,818		22		(31,524)		177,316		—
US Government agency		115,177		53		(11,314)		103,916		—
Private label		40,633		25		(1,094)		39,564		—
Obligations of states and political subdivisions thereof		116,421		5,564		(16,533)		105,452		—
Corporate bonds		100,923		290		(7,761)		93,452		(568)
Total available-for-sale debt securities	$	583,316	$	5,954	$	(68,252)	$	521,018	$	(568)

Schedule of Allowance for Credit Losses on Available-for-Sale Debt Securities Held

		Year Ended December 31,				Year Ended December 31,
		2025				2024
(in thousands)		Corporate Bonds		Total		Corporate Bonds		Total
Beginning Balance	$	568	$	568	$	—	$	—
Provision for credit losses on available-for-sale debt securities		636		636		1,171		1,171
Charge-offs		(1,204)		(1,204)		(603)		(603)
Ending Balance	$	—	$	—	$	568	$	568

Schedule of Amortized Cost and Estimated Fair Value of Available-for-Sale Securities, Segregated by Contractual Maturity

	Available for sale
(in thousands)	Amortized Cost		Fair Value
Within 1 year	$	14,745	$	14,488
Over 1 year to 5 years		35,600		35,254
Over 5 years to 10 years		37,189		35,487
Over 10 years		113,281		97,754
Total bonds and obligations		200,815		182,983
Mortgage-backed securities and collateralized mortgage obligations		444,138		414,441
Total available-for-sale debt securities	$	644,953	$	597,424

Schedule of Proceeds from Sales, Calls and Maturities of Available-for-Sale Debt Securities

	Year Ended
	December 31,
(in thousands)	2025		2024		2023
Proceeds from sales	$	43,559	$	—	$	—
Proceeds from calls/paydowns		99,804		59,380		41,954
Proceeds from maturities		—		3,011		195
Gross realized gains		247		50		34
Gross realized losses		(434)		—		—
Gross impairment losses		(4,571)		—		—

Schedule of Securities with Unrealized Losses, Segregated by the Duration of Continuous Unrealized Loss Positions

	Less Than Twelve Months				Over Twelve Months				Total
	Gross				Gross				Gross
	Unrealized		Fair		Unrealized		Fair		Unrealized		Fair
(in thousands)	Losses		Value		Losses		Value		Losses		Value
December 31, 2025
Debt securities:
Obligations of US Government-sponsored enterprises	$	—	$	—	$	12	$	413	$	12	$	413
Mortgage-backed securities and collateralized mortgage obligations:
US Government-sponsored enterprises		7		1,241		22,161		150,629		22,168		151,870
US Government agency		970		39,343		8,846		72,849		9,816		112,192
Private label		1		2,000		793		8,984		794		10,984
Obligations of states and political subdivisions thereof		—		—		15,912		97,856		15,912		97,856
Corporate bonds		82		6,911		2,064		53,936		2,146		60,847
Total available-for-sale debt securities	$	1,060	$	49,495	$	49,788	$	384,667	$	50,848	$	434,162

	Less Than Twelve Months				Over Twelve Months				Total
	Gross				Gross				Gross
	Unrealized		Fair		Unrealized		Fair		Unrealized		Fair
(in thousands)	Losses		Value		Losses		Value		Losses		Value
December 31, 2024
Debt securities:
Obligations of US Government-sponsored enterprises	$	2	$	707	$	24	$	611	$	26	$	1,318
Mortgage-backed securities and collateralized mortgage obligations:
US Government-sponsored enterprises		109		8,003		31,415		165,116		31,524		173,119
US Government agency		817		35,174		10,497		60,789		11,314		95,963
Private label		1		948		1,093		19,839		1,094		20,787
Obligations of states and political subdivisions thereof		115		4,962		16,418		99,109		16,533		104,071
Corporate bonds		26		2,438		4,495		75,002		4,521		77,440
Total available-for-sale debt securities	$	1,070	$	52,232	$	63,942	$	420,466	$	65,012	$	472,698

Summary of Securities Pledged as Collateral

	December 31, 2025				December 31, 2024
	Carrying		Estimated		Carrying		Estimated
(in thousands)	Value		Fair Value		Value		Fair Value
Securities pledged for deposits	$	16,204	$	14,475	$	18,483	$	15,821
Securities pledged for repurchase agreements		15,110		13,207		16,764		14,020
Securities pledged for borrowings (1)		14,831		14,515		35,819		30,634
Total securities pledged	$	46,145	$	42,197	$	71,066	$	60,475

(1) The Bank pledged securities as collateral for certain borrowing arrangements with the Federal Home Loan Bank of Boston and Federal Reserve Bank of Boston.

Summary of Securities Available-for-Sale That Represent Greater than 10% of Shareholders' Equity

	Years Ended December 31,
	2025				2024
(in thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Federal National Mortgage Association	$	174,322	$	161,700	$	138,375	$	118,106
Federal Home Loan Mortgage Corporation		94,654		87,842		70,443		59,210
Government National Mortgage Association		163,369		153,900		115,177		103,916
Obligations of states and political subdivisions thereof		120,447		104,539		116,421		105,452
Corporate Bonds		79,255		77,342		100,923		93,452