v3.26.1
Fair Value - Summary of Estimated Fair Values and Related Carrying Amounts and Valuation Level of Financial Instruments (Detail) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Financial Assets    
Cash and due from banks $ 146,608 $ 115,949 [1]
Securities available for sale 331,914 332,928 [1]
Restricted equity investments 18,405 19,016 [1]
Other equity investments 4,952 4,910 [1]
Other investments 20,916 20,781 [1]
Loans held for sale 0 14,769 [1]
Financial Liabilities    
Noninterest-bearing demand 392,067 398,541 [1]
Savings 102,400 100,346 [1]
Time 800,008 799,627 [1]
FHLB borrowings 150,000 150,000 [1]
Subordinated notes, net 14,702 14,716 [1]
Carrying Value [Member]    
Financial Assets    
Cash and due from banks 146,608 115,949
Federal funds sold 1,451 1,851
Securities available for sale 331,914 332,928
Restricted equity investments 18,405 19,016
Other equity investments 4,952 4,910
Other investments 20,916 20,781
Loans held for sale   14,769
Loans held for investment, net 1,814,715 1,846,273
Accrued interest receivable 11,134 10,787
Financial Liabilities    
Noninterest-bearing demand 392,067 398,541
Interest-bearing demand and money market 598,599 612,648
Savings 102,400 100,346
Time 800,008 799,627
FHLB borrowings 150,000 150,000
Subordinated notes, net 14,702 14,716
Fair Value [Member]    
Financial Assets    
Cash and due from banks 146,608 115,949
Federal funds sold 1,451 1,851
Securities available for sale 331,914 332,928
Restricted equity investments 18,405 19,016
Other equity investments 4,952 4,910
Other investments 20,916 20,781
Loans held for sale   14,769
Loans held for investment, net 1,762,500 1,786,730
Accrued interest receivable 11,134 10,787
Financial Liabilities    
Noninterest-bearing demand 392,067 398,541
Interest-bearing demand and money market 598,599 612,648
Savings 102,400 100,346
Time 801,177 802,308
FHLB borrowings 150,831 150,116
Subordinated notes, net 13,903 13,905
Level 1 [Member]    
Financial Assets    
Cash and due from banks 146,608 115,949
Federal funds sold 1,451 1,851
Financial Liabilities    
Noninterest-bearing demand 392,067 398,541
Level 2 [Member]    
Financial Assets    
Securities available for sale 331,914 332,928
Restricted equity investments 18,405 19,016
Other equity investments 1,946 1,904
Loans held for sale   14,769
Accrued interest receivable 11,134 10,787
Financial Liabilities    
Interest-bearing demand and money market 598,599 612,648
Savings 102,400 100,346
Time 801,177 802,308
FHLB borrowings 150,831 150,116
Level 3 [Member]    
Financial Assets    
Other equity investments 3,006 3,006
Other investments 20,916 20,781
Loans held for investment, net 1,762,500 1,786,730
Financial Liabilities    
Subordinated notes, net $ 13,903 $ 13,905
[1] Derived from audited December 31, 2025 Consolidated Financial Statements.