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Loans - Modifications to Borrowers Experiencing Financial Difficulty (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) Loan | Sep. 30, 2024 | Sep. 30, 2025 USD ($) Loan | Sep. 30, 2024
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Number of loans (in Loan) |  | 0 | 9 | 0
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 14,193 |
Current Member [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | 14,193 |
30-89 Days Past Due [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | 0 |
90 Days Or Greater [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 0 |
Real Estate Loans [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Number of loans (in Loan) | Loan | 7 |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis | $ 13,905 |  |  |
Non accruing modified loans to borrowers experiencing financial difficulty, Number of loans (in Loan) | Loan |  |  | 3 |
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 1,039 |
Real Estate Loans [Member] | Current Member [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | 1,039 |
Real Estate Loans [Member] | 30-89 Days Past Due [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | 0 |
Real Estate Loans [Member] | 90 Days Or Greater [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 0 |
Other Commercial Loans [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Number of loans (in Loan) | Loan |  |  | 1 |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 179 |
Accruing modified loans to borrowers experiencing financial difficulty, % of total class financing receivables |  |  | 0.10% |
Accruing modified loans to borrowers experiencing financial difficulty, weighted average debt instrument term |  |  | 10 years |
Other Commercial Loans [Member] | Current Member [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 179 |
Other Commercial Loans [Member] | 30-89 Days Past Due [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | 0 |
Other Commercial Loans [Member] | 90 Days Or Greater [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 0 |
Mortgages [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Number of loans (in Loan) | Loan |  |  | 9 |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 14,193 |
Commercial [Member] | Real Estate Loans [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Number of loans (in Loan) | Loan | 7 |  | 7 |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis | $ 13,905 |  | $ 13,905 |
Accruing modified loans to borrowers experiencing financial difficulty, % of total class financing receivables | 1.18% |  | 1.18% |
Accruing modified loans to borrowers experiencing financial difficulty, weighted average debt instrument term | 1 year |  | 1 year |
Non accruing modified loans to borrowers experiencing financial difficulty, Number of loans (in Loan) | Loan |  |  | 3 |
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 1,039 |
Non accruing modified loans to borrowers experiencing financial difficulty, % of total class financing receivables |  |  | 0.09% |
Non accruing modified loans to borrowers experiencing financial difficulty, weighted average debt instrument term |  |  | 5 years |
Non accruing modified loans to borrowers experiencing financial difficulty, amortization term |  |  | 30 years |
Commercial [Member] | Real Estate Loans [Member] | Current Member [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 13,905 |
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | 1,039 |
Commercial [Member] | Real Estate Loans [Member] | 30-89 Days Past Due [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | 0 |
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | 0 |
Commercial [Member] | Real Estate Loans [Member] | 90 Days Or Greater [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | 0 |
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 0 |
Mortgages [Member] | Real Estate Loans [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Number of loans (in Loan) | Loan |  |  | 1 |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 109 |
Accruing modified loans to borrowers experiencing financial difficulty, % of total class financing receivables |  |  | 0.04% |
Accruing modified loans to borrowers experiencing financial difficulty, weighted average debt instrument term |  |  | 5 years |
Accruing modified loans to borrowers experiencing financial difficulty, amortization term |  |  | 30 years |
Mortgages [Member] | Real Estate Loans [Member] | Current Member [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 109 |
Mortgages [Member] | Real Estate Loans [Member] | 30-89 Days Past Due [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | 0 |
Mortgages [Member] | Real Estate Loans [Member] | 90 Days Or Greater [Member] |  |  |  |
Loans [Abstract] |  |  |  |
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis |  |  | $ 0 |

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