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Investments In Securities and Fair Value (Schedule of Variable Interest Entities) (Details) - Other investments $ in Thousands | Mar. 31, 2024 USD ($)
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Variable Interest Entity, Not Primary Beneficiary [Line Items] |
Carrying Value | $ 12,948
Estimated Fair Value | 14,197
Maximum Potential Loss (a) | 18,140
Real Estate LLCs or LPs |
Variable Interest Entity, Not Primary Beneficiary [Line Items] |
Carrying Value | 12,751
Estimated Fair Value | 14,000
Maximum Potential Loss (a) | 18,060
Small Business Investment LPs |
Variable Interest Entity, Not Primary Beneficiary [Line Items] |
Carrying Value | 197
Estimated Fair Value | 197
Maximum Potential Loss (a) | $ 80

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