v3.26.3
Fair Value of Financial Instruments - Estimated Fair Values and Related Carrying or Notional Amounts (Detail) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Financial Assets:    
Securities - available-for-sale $ 455,977 $ 422,072
Financial Liabilities:    
Subordinated notes, net of unamortized issuance costs 35,000 34,933
Dividend payable 3,399 3,125
Reported Value Measurement [Member]    
Financial Assets:    
Cash and cash equivalents 205,811 97,718
Interest-bearing time deposits 518 1,498
Other securities 10,681 13,032
Loans held for sale 2,527 3,934
Loans, net 2,709,358 2,685,990
Interest receivable 16,580 13,621
Financial Liabilities:    
Total Deposits 2,962,492 2,730,735
Federal funds purchased and securities sold under agreement to repurchase 15,168 37,718
Federal Home Loan Bank advances 167,903 227,377
Subordinated notes, net of unamortized issuance costs 35,000 34,933
Interest payable 5,563 5,950
Fair Value [Member]    
Financial Assets:    
Cash and cash equivalents 205,811 97,718
Interest-bearing time deposits 518 1,491
Other securities 10,681 13,032
Loans held for sale 2,527 3,934
Loans, net 2,595,400 2,653,152
Interest receivable 16,580 13,621
Financial Liabilities:    
Total Deposits 2,957,019 2,728,951
Federal funds purchased and securities sold under agreement to repurchase 15,168 37,718
Federal Home Loan Bank advances 167,534 228,232
Subordinated notes, net of unamortized issuance costs 34,443 33,834
Interest payable 5,563 5,950
Level 1 [Member]    
Financial Assets:    
Cash and cash equivalents 205,811 97,718
Financial Liabilities:    
Total Deposits 518,286 527,327
Level 2 [Member]    
Financial Assets:    
Interest-bearing time deposits 518 1,491
Financial Liabilities:    
Subordinated notes, net of unamortized issuance costs 34,443 33,834
Level 3 [Member]    
Financial Assets:    
Other securities 10,681 13,032
Loans held for sale 2,527 3,934
Loans, net 2,595,400 2,653,152
Interest receivable 16,580 13,621
Financial Liabilities:    
Total Deposits 2,438,733 2,201,624
Federal funds purchased and securities sold under agreement to repurchase 15,168 37,718
Federal Home Loan Bank advances 167,534 228,232
Interest payable 5,563 5,950
Noninterest - Bearing Deposits [Member] | Reported Value Measurement [Member]    
Financial Liabilities:    
Total Deposits 518,286 527,327
Noninterest - Bearing Deposits [Member] | Fair Value [Member]    
Financial Liabilities:    
Total Deposits 518,286 527,327
Noninterest - Bearing Deposits [Member] | Level 1 [Member]    
Financial Liabilities:    
Total Deposits 518,286 527,327
Interest Bearing Deposits [Member] | Reported Value Measurement [Member]    
Financial Liabilities:    
Total Deposits 1,756,336 1,605,623
Interest Bearing Deposits [Member] | Fair Value [Member]    
Financial Liabilities:    
Total Deposits 1,754,961 1,605,435
Interest Bearing Deposits [Member] | Level 3 [Member]    
Financial Liabilities:    
Total Deposits 1,754,961 1,605,435
Time Deposits [Member] | Reported Value Measurement [Member]    
Financial Liabilities:    
Total Deposits 687,870 597,785
Time Deposits [Member] | Fair Value [Member]    
Financial Liabilities:    
Total Deposits 683,772 596,189
Time Deposits [Member] | Level 3 [Member]    
Financial Liabilities:    
Total Deposits $ 683,772 $ 596,189