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Summary of Significant Accounting Policies - Narrative (Details) - USD ($)	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Carrying amount of equity investment		$ 33,446,000				$ 23,528,000
Gain on equity investment	$ 0	$ 9,918,000	$ 0	$ 9,918,000	$ 0
Treasury bills	251,699,000			251,699,000		296,871,000
Short-term investments	0			0		0
Deferred implementation costs				9,583,000		9,895,000
US Treasury Securities
Schedule of Equity Method Investments [Line Items]
Treasury bills	79,694,000			79,694,000		134,570,000
Amortized discount	$ 256,000			$ 256,000		692,000
March 2023 Note \| Convertible Notes
Schedule of Equity Method Investments [Line Items]
Debt issuance						$ 402,500,000	$ 402,500,000
Interest rate	3.00%			3.00%		3.00%	3.00%
Privately Held Company, Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Equity method investment								$ 31,200,000