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Loans and Allowance for Credit Losses - Amortized Cost Basis of Loans Experiencing Financial Difficulty and Modified (Details) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Class of Financing Receivable | 0.06% | 0.05%
Real Estate Loan |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Class of Financing Receivable | 0.04% | 0.05%
Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Class of Financing Receivable | 0.00% | 0.00%
Agricultural Real Estate Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Class of Financing Receivable | 0.00% | 0.01%
Residential Properties | Real Estate Loan | 1-4 Family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Class of Financing Receivable | 0.02% | 0.01%
Commercial Real Estate | Real Estate Loan |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Class of Financing Receivable | 0.02% | 0.03%
Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Class of Financing Receivable | 0.02% | 0.00%
Payment Delay Investment |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | $ 1,880 | $ 1,387
Payment Delay Investment | Real Estate Loan |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 1,062 | 1,233
Payment Delay Investment | Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 0 | 3
Payment Delay Investment | Agricultural Real Estate Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 291 | 312
Payment Delay Investment | Residential Properties | Real Estate Loan | 1-4 Family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 10 | 47
Payment Delay Investment | Commercial Real Estate | Real Estate Loan |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 761 | 874
Payment Delay Investment | Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 818 | 151
Term Extension Modifications |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 1,174 | 1,109
Term Extension Modifications | Real Estate Loan |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 1,093 | 980
Term Extension Modifications | Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 5 | 10
Term Extension Modifications | Agricultural Real Estate Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 0 | 0
Term Extension Modifications | Residential Properties | Real Estate Loan | 1-4 Family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 1,093 | 768
Term Extension Modifications | Commercial Real Estate | Real Estate Loan |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 0 | 212
Term Extension Modifications | Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 76 | 119
Interest Rate Reduction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 505 | 472
Interest Rate Reduction | Real Estate Loan |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 505 | 472
Interest Rate Reduction | Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 0 | 0
Interest Rate Reduction | Agricultural Real Estate Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 0 | 0
Interest Rate Reduction | Residential Properties | Real Estate Loan | 1-4 Family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 0 | 0
Interest Rate Reduction | Commercial Real Estate | Real Estate Loan |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | 505 | 472
Interest Rate Reduction | Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivables, Modifications during Period, Balance | $ 0 | $ 0

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