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Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | --- | --- | ---
Commitments And Contingencies [Line Items] |  |  |  |  |  |
Allowance for credit loss | $ 43,952 | $ 43,075 | $ 51,082 | $ 49,836 | $ 47,528 | $ 45,413
Unfunded Commitments [Member] | Other Liabilities [Member] |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |
Allowance for credit loss | $ 3,100 |  | $ 3,600 |  |  |

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