Commitments and Contingencies - Narrative (Details) lb in Millions, $ in Millions	Mar. 31, 2023 supplier lb	Jun. 30, 2025 USD ($) lb
2023 Supply Agreement
Commitments And Contingencies Disclosure [Line Items]
Number of suppliers \| supplier	1
Purchase obligation year one (in pounds)	12.0
Purchase obligation year two (in pounds)	14.4
Purchase obligation year three (in pounds)	17.3	12.3
Unrecorded unconditional purchase obligation, pounds purchased		1.4
2025 Supply Agreement
Commitments And Contingencies Disclosure [Line Items]
Purchase obligation year one (in pounds)		8.0
Purchase obligation year two (in pounds)		8.0
Purchase obligation year three (in pounds)		8.0
Unrecorded unconditional purchase obligation, pounds purchased		5.1
Purchase commitment, remaining minimum amount committed \| $		$ 10.8
July 2025 Supply Agreement
Commitments And Contingencies Disclosure [Line Items]
Number of suppliers \| supplier	1
Purchase obligation year one (in pounds)		40.6
Purchase obligation year two (in pounds)		89.1
Term of agreement		5 years