v3.25.2
Basis of Presentation and Principles of Consolidation - Schedule of Basic and Diluted Net Loss Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 29, 2025
Jun. 30, 2024
Jun. 29, 2025
Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Numerator: net loss attributable to SkyWater Technology, Inc. $ (9,978) $ (1,897) $ (17,323) $ (7,626)
Denominator: weighted-average common shares outstanding, basic (in shares) 48,091 47,395 47,943 47,247
Denominator: weighted-average common shares outstanding, diluted (in shares) 48,091 47,395 47,943 47,247
Net loss per common share, basic (in USD per share) $ (0.21) $ (0.04) $ (0.36) $ (0.16)
Net loss per common share, diluted (in USD per share) $ (0.21) $ (0.04) $ (0.36) $ (0.16)