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Restricted Available-for-Sale Investments - Summary of Gross Unrealized Losses and Estimated Fair Values of Restricted AFS Investments (Details) - Restricted Investments - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Schedule Of Available For Sale Securities [Line Items]
Less than 12 Months, Estimated Fair Value	$ 24,390	$ 22,000
Less than 12 Months, Gross Unrealized Losses	(38)	(2)
12 Months or Longer, Estimated Fair Value	0	0
12 Months or Longer, Gross Unrealized Losses	0	0
Total Estimated Fair Value	24,390	22,000
Total Gross Unrealized Losses	$ (38)	$ (2)

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