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Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands |  | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 28, 2025 | Dec. 31, 2024 | Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Allowance for credit losses |  | $ 48,041 | $ 47,291 | $ 48,964 | $ 43,952 | $ 43,075 | $ 51,082
Cash settlement payment | $ 29,500 |  |  |  |  |  |
Accrued contingent litigation liability |  | 23,000 | 23,000 |  |  |  |
Insurance settlement payment |  | 6,500 |  |  |  |  |
After-tax settlement |  | (17,100) |  |  |  |  |
Unfunded Commitments [Member] | Other Liabilities [Member] |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Allowance for credit losses |  | $ 4,100 | $ 3,900 |  |  |  |

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