Fair Value Measurements - Recurring and Non-Recurring (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Fair Value Measurements
Senior notes	$ 198,802	$ 198,802
Level 1 \| Carrying Amount
Fair Value Measurements
Short-term investments	103,616	103,607
Level 1 \| Fair Value
Fair Value Measurements
Short-term investments	103,640	103,849
Level 3 \| Carrying Amount
Fair Value Measurements
Loans held for investment	730,936	725,584
Senior notes	198,802	198,802
Level 3 \| Fair Value
Fair Value Measurements
Loans held for investment	747,475	745,367
Senior notes	$ 136,375	$ 135,916

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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