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Revenue Recognition and Contract Balances - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024
Residential Solar Installation
Total revenue	$ 300,000	$ 108,742
Total revenue recognized over time	207,673	99,665
Total revenue recognized at a point in time	92,327	9,077
Residential Solar Installation [Member]
Residential Solar Installation
Total revenue	160,987	67,460
New Homes Business [Member]
Residential Solar Installation
Total revenue	124,595	41,282
Dealer [Member]
Residential Solar Installation
Total revenue	14,418
Revenue recognized over time [Member] | Residential Solar Installation [Member]
Residential Solar Installation
Total revenue	160,987	67,460
Revenue recognized over time [Member] | New Homes Business [Member]
Residential Solar Installation
Total revenue	46,686	32,205
Revenue recognized at a point in time [Member] | New Homes Business [Member]
Residential Solar Installation
Total revenue	77,909	9,077
Revenue recognized at a point in time [Member] | Dealer [Member]
Residential Solar Installation
Total revenue	$ 14,418

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