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Stock Award Plans and Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise price (in dollars per share)	$ 2.25		$ 2.25		$ 2.80
Unrecognized compensation expense related to unvested awards	$ 13,900		$ 13,900
Stock-based compensation	$ 3,774	$ 667	$ 8,449	$ 1,079
Weighted average remaining term			1 year
2018 Plan
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Vesting period			4 years
Contractual terms			10 years
Shares awarded			80,105,687
2018 Plan \| Restricted Stock
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Future shares grants	0		0
2018 Plan \| Restricted Stock Units (RSUs)
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Future shares grants	0		0
2018 Plan \| Common Stock
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Future shares grants	59,965,772		59,965,772
Number of shares available for grant and registered (in shares)	57,209,296		57,209,296