v3.26.1
Fair Value Measurement - Carrying Amount and Fair Value of Financial Instruments Not Measured at Fair Value on a Recurring or Nonrecurring Basis (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financial Assets:    
Cash and due from financial institutions $ 61,743 $ 77,320
Investments in time deposits 4,125 1,165
Other securities 28,957 25,942
Loans and leases, net of allowance 3,213,191 3,228,026
Accrued interest receivable 14,849 14,436
Financial Liabilities:    
Short-term FHLB advances 123,500 175,000
Long-term FHLB advances 561 855
Other borrowings 3,121 4,090
Carrying Amount [Member]    
Financial Assets:    
Cash and due from financial institutions 61,743 77,320
Investments in time deposits 4,125 1,165
Other securities 28,957 25,942
Loans, held for sale 8,508 7,180
Loans and leases, net of allowance 3,213,191 3,228,026
Accrued interest receivable 14,849 14,436
Financial Liabilities:    
Nonmaturing deposits 2,347,126 2,339,170
Time deposits 1,111,117 1,127,294
Short-term FHLB advances 123,500 175,000
Long-term FHLB advances 561 855
Subordinated debentures 104,317 104,234
Other borrowings 3,121 4,090
Accrued interest payable 3,091 5,393
Total Fair Value [Member]    
Financial Assets:    
Cash and due from financial institutions 61,743 77,320
Investments in time deposits 4,125 1,165
Other securities 28,957 25,942
Loans, held for sale 8,508 7,180
Loans and leases, net of allowance 3,114,806 3,134,413
Accrued interest receivable 14,849 14,436
Financial Liabilities:    
Nonmaturing deposits 2,347,126 2,339,170
Time deposits 1,113,339 1,129,549
Short-term FHLB advances 123,500 175,000
Long-term FHLB advances 548 838
Subordinated debentures 103,133 102,843
Other borrowings 3,121 4,090
Accrued interest payable 3,091 5,393
(Level 1) [Member]    
Financial Assets:    
Cash and due from financial institutions 61,743 77,320
Accrued interest receivable 14,849 14,436
Financial Liabilities:    
Nonmaturing deposits 2,347,126 2,339,170
Short-term FHLB advances 123,500 175,000
Accrued interest payable 3,091 5,393
(Level 2) [Member]    
Financial Assets:    
Investments in time deposits 4,125 1,165
Other securities 28,957 25,942
Loans, held for sale 8,508 7,180
(Level 3) [Member]    
Financial Assets:    
Loans and leases, net of allowance 3,114,806 3,134,413
Financial Liabilities:    
Time deposits 1,113,339 1,129,549
Long-term FHLB advances 548 838
Subordinated debentures 103,133 102,843
Other borrowings $ 3,121 $ 4,090