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Stockholders’ Equity (Deficit) - Schedule of Common Stock Reserved for Future Issuance (Details) - shares	6 Months Ended
	Jun. 27, 2026	Mar. 30, 2026	Dec. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	180,709,132		183,354,433
Convertible Senior Notes Due 2030
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	86,660,407		120,000,000
Shares reserved for potential issuance under the Delayed Draw Term Loan Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	9,558,635		9,558,635
Shares reserved for potential issuance under the BG Warrant—Tranche 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	2,500,000		0
Shares reserved for potential issuance under the BG Warrant—Tranche 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	1,666,667		0
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	200.00%
Performance Shares, Reserved For Issuance Under MIP PSUs Including Anti-Dilution Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	10,154,868
Performance Shares, Reserved For Issuance Under MIP PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	9,198,298
Performance Shares, Reserved For Issuance Pursuant To Anti-Dilution Increases
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	956,570		126
Performance Shares, Reserved For Issuance Under Unvested PSUs Outstanding If Performance Target Achieved
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	70,946		145,660
Equity incentive compensation awards granted and outstanding
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	56,308,520		39,464,342
Shares available for issuance under the 2018 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	10,024,113		10,310,481
Vesting percentage	150.00%
Shares available for issuance under the 2018 Equity Incentive Plan \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	20,309,683
Vesting percentage	200.00%
Shares available for issuance under the 2018 Equity Incentive Plan \| Performance Shares, Reserved For Issuance Pursuant To Anti-Dilution Increases
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	1,913,097
Shares available for issuance under the 2018 Equity Incentive Plan \| Performance Shares, Reserved For Issuance Under Unvested PSUs Outstanding If Performance Target Achieved
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	70,946		145,660
Shares available for issuance under the 2026 Employment Inducement Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	9,433,685	10,000,000	0
Shares available for issuance under the 2018 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total common stock reserved for future issuance (in shares)	4,557,105		4,020,975