| Summary of fair value of assets and liabilities measured at fair value on a recurring basis |
| | | | | | | | | | | | | | | | | | Fair Value Measurements at September 30, 2026 Using | | | | | | Quoted Prices in | | | | | Significant | | | | | | Active Markets for | | Significant Other | | Unobservable | | | Balance as of | | Identical Assets | | Observable Inputs | | Inputs | (Dollars in thousands) | | September 30, 2026 | | (Level 1) | | (Level 2) | | (Level 3) | Assets: | | | | | | | | | | | | | Securities available-for-sale: | | | | | | | | | | | | | U.S. Treasuries | | $ | 1,978 | | $ | — | | $ | 1,978 | | $ | — | U.S. government and federal agencies | | | 4,735 | | | — | | | 4,735 | | | — | Corporate bonds | | | 1,916 | | | — | | | 1,916 | | | — | U.S. agency collateralized mortgage obligations | | | 21,251 | | | — | | | 21,251 | | | — | Tax-exempt municipal | | | 1,116 | | | — | | | 1,116 | | | — | U.S. agency mortgage-backed | | | 102,411 | | | — | | | 102,411 | | | — | Equity securities, at fair value | | | 2,990 | | | 2,990 | | | — | | | — | Interest rate swap agreements | | | 230 | | | — | | | 230 | | | — | Total assets at fair value | | $ | 136,627 | | $ | 2,990 | | $ | 133,637 | | $ | — | | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | Interest rate swap agreements | | $ | 230 | | $ | — | | $ | 230 | | $ | — | Total liabilities at fair value | | $ | 230 | | $ | — | | $ | 230 | | $ | — |
| | | | | | | | | | | | | | | | | | Fair Value Measurements at December 31, 2025 Using | | | | | | Quoted Prices in | | | | | Significant | | | | | | Active Markets for | | Significant Other | | Unobservable | | | Balance as of | | Identical Assets | | Observable Inputs | | Inputs | (Dollars in thousands) | | December 31, 2025 | | (Level 1) | | (Level 2) | | (Level 3) | Assets: | | | | | | | | | | | | | Securities available-for-sale: | | | | | | | | | | | | | U.S. Treasuries | | $ | 13,132 | | $ | — | | $ | 13,132 | | $ | — | U.S. government and federal agencies | | | 6,820 | | | — | | | 6,820 | | | — | Corporate bonds | | | 2,820 | | | — | | | 2,820 | | | — | Collateralized mortgage obligations | | | 25,693 | | | — | | | 25,693 | | | — | Tax-exempt municipal | | | 1,236 | | | — | | | 1,236 | | | — | Mortgage-backed | | | 74,151 | | | — | | | 74,151 | | | — | Equity securities, at fair value | | | 2,843 | | | 2,843 | | | — | | | — | Interest rate swap agreements | | | 175 | | | — | | | 175 | | | — | Total assets at fair value | | $ | 126,870 | | $ | 2,843 | | $ | 124,027 | | $ | — | | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | Interest rate swap agreements | | $ | 175 | | $ | — | | $ | 175 | | $ | — | Total liabilities at fair value | | $ | 175 | | $ | — | | $ | 175 | | $ | — |
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| Summary of carrying value and estimated fair value of financial instruments |
| | | | | | | | | | | | | | | | | | | | | Fair Value Measurements at September 30, 2026 Using | | | | | | Quoted Prices in | | | | | | | | | | | | | | | Active Markets | | | | | Significant | | | | | | | | for Identical | | Significant Other | | Unobservable | | | | | | Carrying Value as of | | Assets | | Observable Inputs | | Inputs | | Fair Value as of | (Dollars in thousands) | | September 30, 2026 | | (Level 1) | | (Level 2) | | (Level 3) | | September 30, 2026 | Assets: | | | | | | | | | | | | | | | | Cash and cash equivalents | | $ | 191,093 | | $ | 191,093 | | $ | — | | $ | — | | $ | 191,093 | Securities: | | | | | | | | | | | | | | | | Available-for-sale | | | 133,407 | | | — | | | 133,407 | | | — | | | 133,407 | Held-to-maturity | | | 85,818 | | | — | | | 72,700 | | | — | | | 72,700 | Equity securities, at fair value | | | 2,990 | | | 2,990 | | | — | | | — | | | 2,990 | Restricted securities, at cost | | | 7,725 | | | — | | | 7,725 | | | — | | | 7,725 | Loans, net of allowance | | | 1,991,297 | | | — | | | — | | | 1,925,480 | | | 1,925,480 | Interest rate swap agreements | | | 230 | | | — | | | 230 | | | — | | | 230 | Accrued interest receivable | | | 6,418 | | | — | | | 6,418 | | | — | | | 6,418 | Liabilities: | | | | | | | | | | | | | | | | Time deposits | | $ | 817,463 | | $ | — | | $ | 816,285 | | $ | — | | $ | 816,285 | Other deposits | | | 1,246,801 | | | 1,246,801 | | | — | | | — | | | 1,246,801 | Federal Home Loan Bank advances | | | 56,000 | | | — | | | 56,449 | | | — | | | 56,449 | Subordinated debt | | | 24,937 | | | — | | | — | | | 24,051 | | | 24,051 | Interest rate swap agreements | | | 230 | | | — | | | 230 | | | — | | | 230 | Accrued interest payable | | | 1,809 | | | — | | | 1,809 | | | — | | | 1,809 |
| | | | | | | | | | | | | | | | | | | | | Fair Value Measurements at December 31, 2025 Using | | | | | | Quoted Prices in | | | | | | | | | | | | | | | Active Markets | | | | | Significant | | | | | | | | for Identical | | Significant Other | | Unobservable | | | | | Carrying Value as of | | Assets | | Observable Inputs | | Inputs | | Fair Value as of | (Dollars in thousands) | | December 31, 2025 | | (Level 1) | | (Level 2) | | (Level 3) | | December 31, 2025 | Assets: | | | | | | | | | | | | | | | | Cash and cash equivalents | | $ | 129,974 | | $ | 129,974 | | $ | — | | $ | — | | $ | 129,974 | Securities: | | | | | | | | | | | | | | | | Available-for-sale | | | 123,852 | | | — | | | 123,852 | | | — | | | 123,852 | Held-to-maturity | | | 88,421 | | | — | | | 77,575 | | | — | | | 77,575 | Equity securities, at fair value | | | 2,843 | | | 2,843 | | | — | | | — | | | 2,843 | Restricted securities, at cost | | | 7,644 | | | — | | | 7,644 | | | — | | | 7,644 | Loans, net of allowance | | | 1,955,555 | | | — | | | — | | | 1,889,187 | | | 1,889,187 | Interest rate swap agreements | | | 175 | | | — | | | 175 | | | — | | | 175 | Accrued interest receivable | | | 5,890 | | | — | | | 5,890 | | | — | | | 5,890 | Liabilities: | | | | | | | | | | | | | | | | Time deposits | | $ | 759,546 | | $ | — | | $ | 762,056 | | $ | — | | $ | 762,056 | Other deposits | | | 1,212,739 | | | 1,212,739 | | | — | | | — | | | 1,212,739 | Federal Home Loan Bank advances | | | 56,000 | | | — | | | 55,922 | | | — | | | 55,922 | Subordinated debt | | | 24,875 | | | — | | | — | | | 23,142 | | | 23,142 | Interest rate swap agreements | | | 175 | | | — | | | 175 | | | — | | | 175 | Accrued interest payable | | | 2,124 | | | — | | | 2,124 | | | — | | | 2,124 |
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