Fair Value of Financial Instruments and Other Assets - Schedule of Changes in Fair Value for Level 3 (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total realized and unrealized gains included in other comprehensive income (loss)	$ 12,400	$ 400	$ 13,500	$ 3,500
Canton Coins
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance		5,375		852	$ 852
Additions		1,756		2,058
Dispositions		0		0
Total realized and unrealized gains included in other income (loss), net	(15,100)	18,065	(18,000)	22,286
Ending balance		25,196		25,196
Debt Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	26,076	13,627	24,857	10,354	10,354
Transfer out of Level 3	(26,076)	0	(24,857)	0
Additions	0	130	0	253
Dispositions	0	0	0	0
Total realized and unrealized gains included in other comprehensive income (loss)	0	375	0	3,525
Ending balance	$ 0	$ 14,132	$ 0	$ 14,132	$ 24,857

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

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Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).

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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

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