Loans and Allowance for Credit Losses [Abstract]

The following table presents the activity in the allowance for credit losses by portfolio segment for the three and six months ended June 30, 2026 and 2025:

	For the Three Months Ended June 30, 2026
				Commercial		Residential
	Commercial and			Real		Real		Consumer
(In Thousands)	Industrial			Estate		Estate		and Other			Total
Balance, March 31, 2026	$	895		$	6,323	$	2,527	$	223		$	9,968
Provision (credit) for credit losses on loans (a)		(92	)		205		202		81			396
Loans charged off		(71	)		—		—		(89	)		(160	)
Recoveries		33			—		23		1			57
Balance, June 30, 2026	$	765		$	6,528	$	2,752	$	216		$	10,261

	For the Three Months Ended June 30, 2025
			Commercial			Residential
	Commercial and		Real			Real			Consumer
(In Thousands)	Industrial		Estate			Estate			and Other			Total
Balance, March 31, 2025	$	1,402	$	6,409		$	2,014		$	160		$	9,985
Provision (credit) for credit losses on loans (a)		34		(3	)		193			32			256
Loans charged off		—		—			(16	)		(60	)		(76	)
Recoveries		1		1			—			—			2
Balance, June 30, 2025	$	1,437	$	6,407		$	2,191		$	132		$	10,167

	For the Six Months Ended June 30, 2026
				Commercial		Residential
	Commercial and			Real		Real		Consumer
(In Thousands)	Industrial			Estate		Estate		and Other			Total
Balance, December 31, 2025	$	1,037		$	6,148	$	2,556	$	218		$	9,959
Provision (credit) for credit losses on loans		(182	)		380		172		93			463
Loans charged off		(123	)		—		—		(111	)		(234	)
Recoveries		33			—		24		16			73
Balance, June 30, 2026	$	765		$	6,528	$	2,752	$	216		$	10,261

	For the Six Months Ended June 30, 2025
			Commercial			Residential
	Commercial and		Real			Real			Consumer
(In Thousands)	Industrial		Estate			Estate			and Other			Total
Balance, December 31, 2024	$	931	$	6,869		$	1,850		$	208		$	9,858
Provision (credit) for credit losses on loans (a)		494		(465	)		357			(20	)		366
Loans charged off		—		—			(16	)		(61	)		(77	)
Recoveries		12		3			—			5			20
Balance, June 30, 2025	$	1,437	$	6,407		$	2,191		$	132		$	10,167

(a) Amounts do not include the release of credit losses related to off-balance sheet credit exposures of $2,000 for the three months ended June 30, 2026 and $2,000 for the three and six months ended June 30, 2025.

Schedule of Past-Due Loans Receivable

The following table presents the classes of the loan portfolio summarized by the past-due status as of June 30, 2026 and December 31, 2025:

	June 30, 2026
			30-59		60-89
			Days		Days		90+ Days		Total		Total
(In Thousands)	Current		Past Due		Past Due		Past Due		Past Due		Loans
Commercial and Industrial	$	85,462	$	475	$	240	$	57	$	772	$	86,234
Commercial Real Estate		432,100		865		705		2,058		3,628		435,728
Residential Real Estate		658,764		3,311		1,829		1,836		6,976		665,740
Consumer and other		18,257		147		52		26		225		18,482
	$	1,194,583	$	4,798	$	2,826	$	3,977	$	11,601	$	1,206,184

	December 31, 2025
			30-59		60-89
			Days		Days		90+ Days		Total		Total
(In Thousands)	Current		Past Due		Past Due		Past Due		Past Due		Loans
Commercial and Industrial	$	94,889	$	74	$	13	$	376	$	463	$	95,352
Commercial Real Estate		401,876		932		198		594		1,724		403,600
Residential Real Estate		648,942		6,249		1,707		2,729		10,685		659,627
Consumer and other		18,833		113		16		40		169		19,002
	$	1,164,540	$	7,368	$	1,934	$	3,739	$	13,041	$	1,177,581

Schedule of Loans by Internal Risk Rating System

Based on the most recent analysis performed, the following table presents the recorded investment in non-homogenous loans by internal risk rating system as of June 30, 2026 and December 31, 2025:

	June 30, 2026
													Revolving
													Loans
	Term Loans Amortized Cost Basis by Origination Period												Amortized
(In Thousands)	2026		2025		2024		2023		2022		Prior		Cost Basis		Total
Commercial and Industrial
Risk Rating
Pass	$	6,409	$	10,028	$	9,074	$	6,280	$	10,639	$	27,424	$	12,274	$	82,128
Special Mention		—		—		—		—		—		—		30		30
Substandard		—		—		31		176		70		791		3,008		4,076
Doubtful		—		—		—		—		—		—		—		—
Total	$	6,409	$	10,028	$	9,105	$	6,456	$	10,709	$	28,215	$	15,312	$	86,234
Year-to-date gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	123	$	—	$	123

Commercial Real Estate
Risk Rating
Pass	$	51,239	$	67,192	$	39,654	$	48,918	$	52,573	$	138,721	$	21,255	$	419,552
Special Mention		—		—		—		—		19		1,406		—		1,425
Substandard		—		—		275		1,203		4,232		8,327		714		14,751
Doubtful		—		—		—		—		—		—		—		—
Total	$	51,239	$	67,192	$	39,929	$	50,121	$	56,824	$	148,454	$	21,969	$	435,728
Year-to-date gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—

Total
Risk Rating
Pass	$	57,648	$	77,220	$	48,728	$	55,198	$	63,212	$	166,145	$	33,529	$	501,680
Special Mention		—		—		—		—		19		1,406		30		1,455
Substandard		—		—		306		1,379		4,302		9,118		3,722		18,827
Doubtful		—		—		—		—		—		—		—		—
Total	$	57,648	$	77,220	$	49,034	$	56,577	$	67,533	$	176,669	$	37,281	$	521,962
Year-to-date gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	123	$	—	$	123

	December 31, 2025
													Revolving
													Loans
	Term Loans Amortized Cost Basis by Origination Period												Amortized
(In Thousands)	2025		2024		2023		2022		2021		Prior		Cost Basis		Total
Commercial and Industrial
Risk Rating
Pass	$	16,740	$	10,385	$	7,331	$	11,743	$	10,054	$	20,016	$	14,452	$	90,721
Special Mention		—		—		—		—		—		—		25		25
Substandard		—		32		127		104		80		987		3,276		4,606
Doubtful		—		—		—		—		—		—		—		—
Total	$	16,740	$	10,417	$	7,458	$	11,847	$	10,134	$	21,003	$	17,753	$	95,352
Year-to-date gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	3	$	3

Commercial Real Estate
Risk Rating
Pass	$	66,665	$	42,242	$	50,764	$	55,460	$	51,524	$	99,688	$	21,332	$	387,675
Special Mention		—		—		—		—		—		1,319		—		1,319
Substandard		—		—		977		4,630		2,106		6,132		761		14,606
Doubtful		—		—		—		—		—		—		—		—
Total	$	66,665	$	42,242	$	51,741	$	60,090	$	53,630	$	107,139	$	22,093	$	403,600
Year-to-date gross charge-offs	$	—	$	—	$	—	$	—	$	40	$	67	$	13	$	120

Total
Risk Rating
Pass	$	83,405	$	52,627	$	58,095	$	67,203	$	61,578	$	119,704	$	35,784	$	478,396
Special Mention		—		—		—		—		—		1,319		25		1,344
Substandard		—		32		1,104		4,734		2,186		7,119		4,037		19,212
Doubtful		—		—		—		—		—		—		—		—
Total	$	83,405	$	52,659	$	59,199	$	71,937	$	63,764	$	128,142	$	39,846	$	498,952
Year-to-date gross charge-offs	$	—	$	—	$	—	$	—	$	40	$	67	$	16	$	123

The following table presents the amortized cost in residential real estate, and consumer and other loans based on payment activity as of June 30, 2026 and December 31, 2025:

	June 30, 2026
													Revolving
													Loans
	Term Loans Amortized Cost Basis by Origination Period												Amortized
(In Thousands)	2026		2025		2024		2023		2022		Prior		Cost Basis		Total
Residential Real Estate
Payment Performance
Performing	$	44,593	$	74,744	$	73,173	$	64,317	$	86,598	$	230,614	$	86,520	$	660,559
Nonperforming		—		—		341		929		549		2,265		1,097		5,181
Total	$	44,593	$	74,744	$	73,514	$	65,246	$	87,147	$	232,879	$	87,617	$	665,740
Year-to-date gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—

Consumer and Other
Payment Performance
Performing	$	2,656	$	2,762	$	1,094	$	1,360	$	5,420	$	1,287	$	3,711	$	18,290
Nonperforming		—		—		—		13		10		52		117		192
Total	$	2,656	$	2,762	$	1,094	$	1,373	$	5,430	$	1,339	$	3,828	$	18,482
Year-to-date gross charge-offs	$	—	$	8	$	36	$	11	$	3	$	—	$	53	$	111

Total
Payment Performance
Performing	$	47,249	$	77,506	$	74,267	$	65,677	$	92,018	$	231,901	$	90,231	$	678,849
Nonperforming		—		—		341		942		559		2,317		1,214		5,373
Total	$	47,249	$	77,506	$	74,608	$	66,619	$	92,577	$	234,218	$	91,445	$	684,222
Year-to-date gross charge-offs	$	—	$	8	$	36	$	11	$	3	$	—	$	53	$	111

	December 31, 2025
													Revolving
													Loans
	Term Loans Amortized Cost Basis by Origination Period												Amortized
(In Thousands)	2025		2024		2023		2022		2021		Prior		Cost Basis		Total
Residential Real Estate
Payment Performance
Performing	$	78,798	$	78,692	$	71,279	$	92,519	$	70,724	$	180,376	$	78,889	$	651,277
Nonperforming		—		326		670		913		1,506		3,683		1,252		8,350
Total	$	78,798	$	79,018	$	71,949	$	93,432	$	72,230	$	184,059	$	80,141	$	659,627
Year-to-date gross charge-offs	$	—	$	61	$	—	$	—	$	35	$	198	$	159	$	453

Consumer and Other
Payment Performance
Performing	$	3,699	$	1,378	$	1,977	$	5,890	$	577	$	970	$	4,275	$	18,766
Nonperforming		7		16		16		12		4		54		127		236
Total	$	3,706	$	1,394	$	1,993	$	5,902	$	581	$	1,024	$	4,402	$	19,002
Year-to-date gross charge-offs	$	10	$	16	$	69	$	9	$	3	$	—	$	79	$	186

Total
Payment Performance
Performing	$	82,497	$	80,070	$	73,256	$	98,409	$	71,301	$	181,346	$	83,164	$	670,043
Nonperforming		7		342		686		925		1,510		3,737		1,379		8,586
Total	$	82,504	$	80,412	$	73,942	$	99,334	$	72,811	$	185,083	$	84,543	$	678,629
Year-to-date gross charge-offs	$	10	$	77	$	69	$	9	$	38	$	198	$	238	$	639