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Financial Instruments - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Investments, All Other Investments [Abstract]
Maximum remaining contractual maturities of available-for-sale securities (in years)	2 years		2 years
Realized losses on available-for-sale securities	$ 0	$ 0	$ 1,000,000	$ 0
Net unrealized loss position	81,000,000		81,000,000		$ 329,400,000
Accrued interest receivable from available-fore-sale investments	$ 1,600,000		$ 1,600,000		$ 1,800,000

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- Definition

Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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