Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Retirement Plan (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Retirement Plan (Details) - USD ($) $ in Millions	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026
Defined Benefit Plan Disclosure [Line Items]
Employer matching contribution, percent of employees' gross pay			3.00%
401(k) Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	$ 0.2	$ 0.3
Alto 401(k) Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost			$ 0.1