Marketable Securities and Fair Value Measurements - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Investment income	$ 5,400,000	$ 8,300,000
Allowances for credit losses	0		$ 0
Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Investment income	4,000,000	4,900,000
Cash and Cash Equivalents
Debt Securities, Available-for-Sale [Line Items]
Investment income	$ 1,400,000	$ 3,400,000