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Loans and ACL - Summary of Loan Modification Effects (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Interest Rate Reduction |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis |  | $ 181 | $ 19 | $ 181
Other-Than-Insignificant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis | $ 914 |  | 914 | 4,054
Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis | 925 |  | 5,509 | 12
Other-Than-Insignificant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis | 443 |  | 1,006 | 1,038
Secured | Interest Rate Reduction |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis |  |  | $ 19 | $ 0
% of Total Class of Financial Receivable |  |  | 0.01% | 0.00%
Weighted-Average Interest Rate Reduction |  |  | 10.00% |
Secured | Other-Than-Insignificant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis | $ 0 |  | $ 0 | $ 1,926
% of Total Class of Financial Receivable | 0.00% |  | 0.00% | 0.88%
Payment Delay Term | 6 months |  | 8 months 3 days | 4 months
Secured | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis | $ 0 |  | $ 3,087 | $ 11
% of Total Class of Financial Receivable | 0.00% |  | 1.26% | 0.01%
Weighted-Average Term Extension (Years) | 1 year 29 days |  | 1 year 18 days | 3 years
Secured | Other-Than-Insignificant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis | $ 443 |  | $ 1,006 | $ 0
% of Total Class of Financial Receivable | 0.18% |  | 0.41% | 0.00%
Commercial mortgage owner occupied | Interest Rate Reduction |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis |  |  | $ 0 | $ 0
% of Total Class of Financial Receivable |  |  | 0.00% | 0.00%
Commercial mortgage owner occupied | Other-Than-Insignificant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis |  |  | $ 0 | $ 823
% of Total Class of Financial Receivable |  |  | 0.00% | 0.48%
Payment Delay Term |  |  |  | 7 months
Commercial mortgage owner occupied | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis |  |  | $ 1,497 | $ 0
% of Total Class of Financial Receivable |  |  | 0.84% | 0.00%
Weighted-Average Term Extension (Years) |  |  | 15 years |
Commercial mortgage owner occupied | Other-Than-Insignificant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis |  |  | $ 0 | $ 0
% of Total Class of Financial Receivable |  |  | 0.00% | 0.00%
Agricultural mortgage | Interest Rate Reduction |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis |  |  | $ 0 | $ 0
% of Total Class of Financial Receivable |  |  | 0.00% | 0.00%
Agricultural mortgage | Other-Than-Insignificant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis | $ 914 |  | $ 914 | $ 1,305
% of Total Class of Financial Receivable | 1.35% |  | 1.35% | 1.95%
Payment Delay Term | 4 months |  | 4 months | 5 months
Agricultural mortgage | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis | $ 0 |  | $ 0 | $ 0
% of Total Class of Financial Receivable | 0.00% |  | 0.00% | 0.00%
Weighted-Average Term Extension (Years) |  |  |  | 6 months
Agricultural mortgage | Other-Than-Insignificant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis | $ 0 |  | $ 0 | $ 0
% of Total Class of Financial Receivable | 0.00% |  | 0.00% | 0.00%
Agricultural other | Interest Rate Reduction |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis |  | $ 181 | $ 0 | $ 181
% of Total Class of Financial Receivable |  | 0.60% | 0.00% | 0.60%
Weighted-Average Interest Rate Reduction |  |  |  | 0.50%
Agricultural other | Other-Than-Insignificant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis | $ 0 |  | $ 0 | $ 0
% of Total Class of Financial Receivable | 0.00% |  | 0.00% | 0.00%
Payment Delay Term |  |  |  | 4 months
Agricultural other | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis | $ 925 |  | $ 925 | $ 0
% of Total Class of Financial Receivable | 3.08% |  | 3.08% | 0.00%
Weighted-Average Term Extension (Years) | 6 months |  | 6 months | 3 months 29 days
Agricultural other | Other-Than-Insignificant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis | $ 0 |  | $ 0 | $ 1,038
% of Total Class of Financial Receivable | 0.00% |  | 0.00% | 3.46%
Secured - indirect | Interest Rate Reduction |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis |  |  |  | $ 0
% of Total Class of Financial Receivable |  |  |  | 0.00%
Secured - indirect | Other-Than-Insignificant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis |  |  |  | $ 0
% of Total Class of Financial Receivable |  |  |  | 0.00%
Secured - indirect | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis |  |  |  | $ 1
% of Total Class of Financial Receivable |  |  |  | 0.00%
Weighted-Average Term Extension (Years) |  |  |  | 1 year 3 months 29 days
Secured - indirect | Other-Than-Insignificant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized Cost Basis |  |  |  | $ 0
% of Total Class of Financial Receivable |  |  |  | 0.00%

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