Stockholders' Equity - At The Market Issuances (Details) - USD ($)		1 Months Ended			3 Months Ended	11 Months Ended	24 Months Ended
	Oct. 03, 2023	Mar. 31, 2024	May 31, 2023	Jun. 30, 2021	Mar. 31, 2024	Mar. 31, 2024	Dec. 31, 2022	Dec. 31, 2023
Stockholders' Equity (Deficit)
Cash received on stock transaction after deduction of issuance costs		$ 574,000,000
2021 Sales Agreement
Stockholders' Equity (Deficit)
Number of shares issued in transaction (in shares)							1,235,943
Sale of stock received on transaction, gross							$ 199,900,000
Net proceeds after deducting commissions and other transactions costs							$ 195,800,000
Capital shares reserved for future issuance amount								$ 0
2023 Public Stock Offering
Stockholders' Equity (Deficit)
Number of shares issued in transaction (in shares)	1,248,098
Sale of stock received on transaction, gross	$ 500,000,000
Cash received on stock transaction after deduction of issuance costs	$ 472,000,000
Sales agreement amendment
Stockholders' Equity (Deficit)
Number of shares issued in transaction (in shares)					0	98,101
Sale of stock received on transaction, gross						$ 25,200,000
Capital shares reserved for future issuance amount		$ 174,800,000			$ 174,800,000	174,800,000
Cash received on stock transaction after deduction of issuance costs						$ 24,500,000
Cowen & Co. LLC | Maximum | 2021 Sales Agreement
Stockholders' Equity (Deficit)
Maximum aggregate offering price				$ 200,000,000
Cowen & Co. LLC | Maximum | Sales agreement amendment
Stockholders' Equity (Deficit)
Maximum aggregate offering price			$ 200,000,000