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Restricted Available-for-Sale Investments - Summary of Amortized Cost And Estimated Fair Values of Restricted Available-For-Sale Investments by Contractual Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Estimated Fair Value
Total restricted available-for-sale investments	$ 21,687	$ 21,712
Restricted Investments
Amortized Cost
Due in one year	19,663
Due within one year to five years	2,241
Due within five years to ten years	0
Due after ten years	0
Amortized Cost	21,904	21,633
Estimated Fair Value
Due in one year	19,473
Due within one year to five years	2,214
Due within five years to ten years	0
Due after ten years	0
Total restricted available-for-sale investments	$ 21,687	$ 21,712

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