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Held to Maturity Debt Securities (Tables)
 12 Months Ended
Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]  
Schedule of Investment Securities Held to Maturity
The following tables present the amortized cost, gross unrealized gains, gross unrealized losses and the estimated fair value for held to maturity debt securities, excluding allowances for credit losses of $16,000 and $14,000, as of December 31, 2025 and 2024 (in thousands):
 2025
 
Amortized
cost
Gross
unrealized
gains
Gross
unrealized
losses
Fair
value
Government-agency obligations$3,400 — (22)3,378 
State and municipal obligations276,600 156 (7,045)269,711 
Corporate obligations2,143 — (14)2,129 
$282,143 156 (7,081)275,218 
 2024
 
Amortized
cost
Gross
unrealized
gains
Gross
unrealized
losses
Fair
value
Government-agency obligations$9,999 — (292)9,707 
State and municipal obligations311,118 689 (14,133)297,674 
Corporate obligations6,520 — (168)6,352 
$327,637 689 (14,593)313,733 
Schedule of Investments Classified by Contractual Maturity Date
The amortized cost and fair value of held to maturity debt securities as of December 31, 2025 by contractual maturity, excluding allowances for credit losses of $16,000, as of December 31, 2025 are shown below (in thousands). Expected maturities may differ from contractual maturities due to prepayment or early call privileges of the issuer.
 2025
 
Amortized
cost
Fair
value
Due in one year or less$45,807 45,712 
Due after one year through five years152,602 151,763 
Due after five years through ten years78,986 73,941 
Due after ten years4,748 3,802 
$282,143 275,218 
The amortized cost and fair value of available for sale debt securities as of December 31, 2025, by contractual maturity, are shown below (in thousands). Expected maturities may differ from contractual maturities due to prepayment or early call privileges of the issuer.
 2025
 
Amortized
cost
Fair
value
Due in one year or less$108,932 107,858 
Due after one year through five years196,488 190,223 
Due after five years through ten years114,951 117,101 
Due after ten years66,801 61,928 
$487,172 477,110 
Schedule of Amortized Cost of held to Maturity Debt Securities by Credit Rating The following table provides the amortized cost of held to maturity debt securities by credit rating as of December 31, 2025 (in thousands):
December 31, 2025
Total PortfolioAAAAAANot RatedTotal
Government-agency obligations$3,400 — — — 3,400 
State and municipal obligations44,930 199,977 20,896 10,797 276,600 
Corporate obligations— 573 1,570 — 2,143 
$48,330 200,550 22,466 10,797 282,143 
December 31, 2024
Total PortfolioAAAAAANot RatedTotal
Government-agency obligations$9,999 — — — 9,999 
State and municipal obligations44,821 234,212 28,735 3,350 311,118 
Corporate obligations501 2,013 3,981 25 6,520 
$55,321 236,225 32,716 3,375 327,637 
Schedule of Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value
The following table shows gross unrealized losses and estimated fair value of held to maturity debt securities, aggregated by investment category and length of time that individual investment securities have been in a continuous loss position as of December 31, 2025 and 2024 (in thousands):

December 31, 2025
Less Than 12 months12 Months or MoreTotal
 
Fair
value
Unrealized Losses
Fair
value
Unrealized Losses
Fair
value
Unrealized Losses
Held-to-maturity:
Government-agency obligations$— — 3,378 22 3,378 22 
Mortgage-backed securities— — — — — — 
State and municipal obligations3,353 1 127,012 7,044 130,365 7,045 
Corporate obligations— — 2,129 14 2,129 14 
Total$3,353 1 132,519 7,080 135,872 7,081