v3.26.1
Fair Value - Summary of Financial Assets Measured at Fair Value on a Recurring Basis (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale $ 317,016 $ 332,928 [1]
Total securities available for sale 317,016 332,928
U.S. Treasury and Agencies [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale 69,401 72,538
State and Municipal [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale 42,911 44,484
Corporate Bonds [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale 26,904 30,819
Level 2 [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale 316,516 332,928
Level 3 [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale 500  
Fair Value, Recurring [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total securities available for sale 317,016 332,928
Rabbi trust assets 712 682
Interest rate swap asset 209 613
Deferred compensation plan 712 682
Interest rate swap liability 235 654
Fair Value, Recurring [Member] | Mortgage Backed Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale 177,800 185,087
Fair Value, Recurring [Member] | U.S. Treasury and Agencies [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale 69,401 72,538
Fair Value, Recurring [Member] | State and Municipal [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale 42,911 44,484
Fair Value, Recurring [Member] | Corporate Bonds [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale 26,904 30,819
Fair Value, Recurring [Member] | Level 1 [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Rabbi trust assets 712 682
Deferred compensation plan 712 682
Fair Value, Recurring [Member] | Level 2 [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total securities available for sale 316,516 332,928
Interest rate swap asset 209 613
Interest rate swap liability 235 654
Fair Value, Recurring [Member] | Level 2 [Member] | Mortgage Backed Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale 177,800 185,087
Fair Value, Recurring [Member] | Level 2 [Member] | U.S. Treasury and Agencies [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale 69,401 72,538
Fair Value, Recurring [Member] | Level 2 [Member] | State and Municipal [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale 42,911 44,484
Fair Value, Recurring [Member] | Level 2 [Member] | Corporate Bonds [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale 26,404 $ 30,819
Fair Value, Recurring [Member] | Level 3 [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Total securities available for sale 500  
Fair Value, Recurring [Member] | Level 3 [Member] | Corporate Bonds [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Securities available for sale $ 500  
[1] Derived from audited December 31, 2025 Consolidated Financial Statements.