Investment in Debt Securities - Unrealized Loss Position (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Fair value, total available-for-sale securities	$ 0	$ 39,574
Unrealized net losses, total available-for-sale securities	0	(381)
Credit loss on investments	0
U.S. treasury bonds
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Fair value, less than 12 months	0	39,574
Fair value, 12 months or more	0	0
Unrealized net losses, less than 12 months	0	(381)
Unrealized net losses, 12 months or more	$ 0	$ 0

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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