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Loans and ACL - Summary of Specific Reserves by Segments (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2024
--- | --- | --- | --- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Specific Allocation | $ 0 | $ 0 | $ 0 | $ 0 | $ 0
Collateral Pledged |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Loan Balance | 3,426 |  |  | 254 |
Specific Allocation | 0 |  |  | 0 |
Commercial and Industrial | Collateral Pledged |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Loan Balance | 0 |  |  | 0 |
Specific Allocation | 0 |  |  | 0 |
Commercial Real Estate | Collateral Pledged |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Loan Balance | 3,000 |  |  | 0 |
Specific Allocation | 0 |  |  | 0 |
Agricultural | Collateral Pledged |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Loan Balance | 0 |  |  | 0 |
Specific Allocation | 0 |  |  | 0 |
Residential Real Estate | Collateral Pledged |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Loan Balance | 426 |  |  | 254 |
Specific Allocation | 0 |  |  | 0 |
Consumer | Collateral Pledged |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |
Loan Balance | 0 |  |  | 0 |
Specific Allocation | $ 0 |  |  | $ 0 |

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