Loan Portfolio and Allowance for Credit Losses (Details)	3 Months Ended
	Mar. 31, 2026 USD ($) Commitment Loan	Mar. 31, 2025 USD ($) Loan	Dec. 31, 2025 USD ($)
Loan Portfolio and Allowance for Credit Losses [Abstract]
Total loans, net	$ 5,290,178,000		$ 5,252,460,000
Provision (benefit) for credit losses	950,000	$ 300,000
(Credit) Provision for credit losses	750,000	100,000
Provision for credit losses	200,000	200,000
Loans that are 90 days past due and still accruing interest	$ 0		0
The number of commitments to extend further credit (in Commitment) | Commitment	0
Non-accrual	$ 1,673,000		1,907,000
Loan modifications classifications from previously performing loans	$ 6,700,000	7,100,000
Deferral period of past due loans	60 months
Number of days past due, when loans considered in payment default under modified terms	90 days
Contractual past due period for loans to be in payment default	30 days
Commercial [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Total loans, net	$ 316,763,000		313,443,000
(Credit) Provision for credit losses	31,000	(713,000)
Other estate owned	1,000,000
Residential Mortgage [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Total loans, net	4,962,798,000		4,927,461,000
(Credit) Provision for credit losses	$ 714,000	$ 710,000
Number of loans defaulted from loan modifications within last 12 months (in Loan) | Loan	1	3
Payment defaulted from loan modifications within last 12 months	$ 238,000	$ 261,000
Real Estate Construction Loans [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Total loans, net	44,000,000		41,900,000
Residential Borrowers [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Total loans, net	14,400,000		11,900,000
Commercial Borrowers Residential Purpose [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Total loans, net	29,600,000		30,000,000
Commercial [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Other estate owned			1,000,000
Residential Real Estate [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Other estate owned	328,000		358,000
Non accrual residential mortgage loans in process of foreclosure	9,000,000		9,100,000
Home Equity Lines of Credit [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Number of loans defaulted from loan modifications within last 12 months (in Loan) | Loan		1
Payment defaulted from loan modifications within last 12 months		$ 122,000
Home Equity Lines of Credit [Member] | Residential Mortgage [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Total loans, net	464,887,000		464,201,000
Loans that are 90 days past due and still accruing interest	0		0
Non-accrual	$ 209,000		$ 245,000