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
Mar. 31, 2026
Dec. 31, 2025
Financial Assets:    
Cash and due from financial institutions $ 83,525 $ 77,320
Equity securities in financial institutions 2,700 2,700
Investments in time deposits 2,880 1,165
Other securities 25,144 25,942
Loans and leases, net of allowance 3,189,131 3,228,026
Accrued interest receivable 14,777 14,436
Financial Liabilities:    
Short-term FHLB advances 100,000 175,000
Long-term FHLB advances 739 855
Other borrowings 3,594 4,090
Carrying Amount [Member]    
Financial Assets:    
Cash and due from financial institutions 83,525 77,320
Investments in time deposits 2,880 1,165
Other securities 25,144 25,942
Loans, held for sale 6,940 7,180
Loans and leases, net of allowance 3,189,131 3,228,026
Accrued interest receivable 14,777 14,436
Financial Liabilities:    
Nonmaturing deposits 2,416,467 2,339,170
Time deposits 1,085,423 1,127,294
Short-term FHLB advances 100,000 175,000
Long-term FHLB advances 739 855
Subordinated debentures 104,276 104,234
Other borrowings 3,594 4,090
Accrued interest payable 4,914 5,393
Total Fair Value [Member]    
Financial Assets:    
Cash and due from financial institutions 83,525 77,320
Investments in time deposits 2,880 1,165
Other securities 25,144 25,942
Loans, held for sale 6,940 7,180
Loans and leases, net of allowance 3,112,683 3,134,413
Accrued interest receivable 14,777 14,436
Financial Liabilities:    
Nonmaturing deposits 2,416,467 2,339,170
Time deposits 1,086,508 1,129,549
Short-term FHLB advances 100,000 175,000
Long-term FHLB advances 723 838
Subordinated debentures 102,208 102,843
Other borrowings 3,594 4,090
Accrued interest payable 4,914 5,393
(Level 1) [Member]    
Financial Assets:    
Cash and due from financial institutions 83,525 77,320
Accrued interest receivable 14,777 14,436
Financial Liabilities:    
Nonmaturing deposits 2,416,467 2,339,170
Short-term FHLB advances 100,000 175,000
Accrued interest payable 4,914 5,393
(Level 2) [Member]    
Financial Assets:    
Investments in time deposits 2,880 1,165
Other securities 25,144 25,942
Loans, held for sale 6,940 7,180
(Level 3) [Member]    
Financial Assets:    
Loans and leases, net of allowance 3,112,683 3,134,413
Financial Liabilities:    
Time deposits 1,086,508 1,129,549
Long-term FHLB advances 723 838
Subordinated debentures 102,208 102,843
Other borrowings $ 3,594 $ 4,090