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Investments - Schedule of Other Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Other Investments
Fair Value	$ 264,446	$ 138,387
Other Long-term Investments
Other Investments
Unrealized Loss	225
Unrealized Gain	149
Fair Value	31,116
Fixed maturities, cost	31,192	16,118
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	149
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	225
Short-term Investments
Other Investments
Unrealized Loss	22
Unrealized Gain	2
Fair Value	29,158	$ 14,004
Fixed maturities, cost	29,178
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	2
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	22
Limited Partnership
Other Investments
Unrealized Loss	203
Unrealized Gain	147
Fixed maturities, cost	2,014
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	147
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	203
Fair Value of Limited Partnership Interest	$ 1,958

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