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v3.23.3

Marketable Securities (Investments Available For Sale) (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Available for sale and equity securities, cost | $ 133,811 | $ 140,605
Available for sale and equity securities, gross unrealized gains | 224 | 0
Available for sale and equity securities, gross unrealized (losses) | (14,473) | (12,404)
Available for sale and equity securities, fair value | 119,562 | 128,201
Available-for-sale debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available for sale debt securities, cost | 123,366 | 129,372
Available for sale debt securities, gross unrealized gains | 0 | 0
Available for sale debt securities, gross unrealized (losses) | (14,430) | (12,071)
Available for sale debt securities, fair value | 108,936 | 117,301
SEI-sponsored mutual funds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Equity securities, FV-NI, cost | 5,412 | 6,207
Equity securities, FV-NI, gross unrealized gains | 37 | 0
Equity securities, FV-NI, gross unrealized (losses) | (43) | (176)
Equity securities, FV-NI, fair value | 5,406 | 6,031
Equities and other mutual funds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Equity securities, FV-NI, cost | 5,033 | 5,026
Equity securities, FV-NI, gross unrealized gains | 187 | 0
Equity securities, FV-NI, gross unrealized (losses) | 0 | (157)
Equity securities, FV-NI, fair value | $ 5,220 | $ 4,869

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