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Investments Fair Value Inputs, Assets, Quantitative Information (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Limited Partner |  |
Equity Securities without Readily Determinable Fair Value |  |
Unrealized gain | $ 573 | $ 379
Fair value | 3,129 | 2,483
Unrealized loss | 0 | 0
Debt Securities, Available-for-sale, Amortized Cost | 2,556 | 2,104
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt Securities, Available-for-sale, Amortized Cost | 2,556 | 2,104
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 573 | 379
Unrealized loss | 0 | 0
Fair value | 3,129 | 2,483
Short-term Investments |  |
Equity Securities without Readily Determinable Fair Value |  |
Unrealized gain | 81 | 1
Unrealized loss | 0 | 11
Fixed maturities, available-for-sale (amortized cost of $295,547 and $155,686, respectively) | 20,494 | 14,004
Debt Securities, Available-for-sale, Amortized Cost | 20,413 | 14,014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt Securities, Available-for-sale, Amortized Cost | 20,413 | 14,014
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 81 | 1
Unrealized loss | 0 | 11
Fixed maturities, available-for-sale (amortized cost of $295,547 and $155,686, respectively) | 20,494 | 14,004
Other Long-term Investments |  |
Equity Securities without Readily Determinable Fair Value |  |
Other Investments | 20,494 | 14,004
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Other Investments | 20,494 | 14,004
us-gaap_OtherLongTermInvestmentsMember |  |
Equity Securities without Readily Determinable Fair Value |  |
Unrealized gain | 654 | 380
Unrealized loss | 0 | 11
Debt Securities, Available-for-sale, Amortized Cost | 22,969 | 16,118
Other Investments | 23,623 | 16,487
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt Securities, Available-for-sale, Amortized Cost | 22,969 | 16,118
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 654 | 380
Unrealized loss | 0 | 11
Other Investments | $ 23,623 | $ 16,487

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