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Investments - Schedule of Other Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Other Investments
Fair Value	$ 278,373	$ 138,387
Other Long-term Investments
Other Investments
Unrealized Loss	203
Unrealized Gain	302
Fair Value	26,392
Fixed maturities, cost	26,293	16,118
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	302
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	203
Short-term Investments
Other Investments
Unrealized Loss	0
Unrealized Gain	132
Fair Value	24,433	$ 14,004
Fixed maturities, cost	24,301
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	132
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	0
Limited Partnership
Other Investments
Unrealized Loss	203
Unrealized Gain	170
Fixed maturities, cost	1,992
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	170
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	203
Fair Value of Limited Partnership Interest	$ 1,959

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