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Loans Receivable and Allowance for Credit Losses (Loan Modifications Made to Borrowers) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Combination - Significant Payment Delay and Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis | $ 3,779,000 |
Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis | 1,524,000 | $ 4,321,547,000
Significant Payment Delay [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis | 2,352,000 |
Combination - Term Extension and Interest Rate Adjustment [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis |  | 19,225,000
Residential Real Estate Loans [Member] | Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis | $ 68,000 |
% of Total Class of Financing Receivable | 0.02% |
Residential Real Estate Loans [Member] | Significant Payment Delay [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis | $ 53,000 |
% of Total Class of Financing Receivable | 0.02% |
Modified weighted average term | 4 months |
Residential Real Estate Loans [Member] | Minimum [Member] | Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Modified weighted average term | 5 months |
Commercial Real Estate Loans [Member] | Combination - Significant Payment Delay and Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis | $ 3,779,000 |
% of Total Class of Financing Receivable | 0.53% |
Commercial Real Estate Loans [Member] | Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis | $ 540,000 | $ 4,321,547,000
% of Total Class of Financing Receivable | 0.08% | 0.64%
Commercial Real Estate Loans [Member] | Significant Payment Delay [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis | $ 1,424,000 |
% of Total Class of Financing Receivable | 0.20% |
Commercial Real Estate Loans [Member] | Minimum [Member] | Combination - Significant Payment Delay and Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Modified weighted average term | 4 months |
Commercial Real Estate Loans [Member] | Minimum [Member] | Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Modified weighted average term | 9 months 15 days | 3 months
Commercial Real Estate Loans [Member] | Minimum [Member] | Significant Payment Delay [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Modified weighted average term | 2 months |
Commercial Real Estate Loans [Member] | Maximum [Member] | Combination - Significant Payment Delay and Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Modified weighted average term | 6 months |
Commercial Real Estate Loans [Member] | Maximum [Member] | Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Modified weighted average term |  | 6 months
Commercial Real Estate Loans [Member] | Maximum [Member] | Significant Payment Delay [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Modified weighted average term | 5 months |
Commercial Loans [Member] | Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis | $ 51,000 |
% of Total Class of Financing Receivable | 0.02% |
Commercial Loans [Member] | Significant Payment Delay [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis | $ 875,000 |
% of Total Class of Financing Receivable | 0.41% |
Commercial Loans [Member] | Minimum [Member] | Significant Payment Delay [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Modified weighted average term | 2 months |
Commercial Loans [Member] | Maximum [Member] | Significant Payment Delay [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Modified weighted average term | 5 months |
Consumer Loans [Member] | Combination - Term Extension and Interest Rate Adjustment [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis |  | $ 19,225,000
% of Total Class of Financing Receivable |  | 0.01%
Weighted average interest rate |  | 5.25%
Consumer Loans [Member] | Combination - Term Extension and Interest Rate Adjustment [Member] | New Loans Granted [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Weighted average term |  | 34 months
Weighted average interest rate |  | 11.03%
Consumer Loans [Member] | Minimum [Member] | Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Modified weighted average term | 1 month 12 days |
Agricultural Real Estate Loans [Member] | Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis | $ 565,000 |
% of Total Class of Financing Receivable | 0.89% |
Modified weighted average term | 20 years |
Other Agricultural Loans [Member] | Term Extension [Member] |  |
Financing Receivable, Modified [Line Items] |  |
Amortized Cost Basis | $ 300,000 |
% of Total Class of Financing Receivable | 1.00% |
Modified weighted average term | 1 year |

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