General form of registration statement for all companies including face-amount certificate companies

Summary of Significant Accounting Policies - Income (Loss) per Share - Additional Information (Details)

v3.21.2
Summary of Significant Accounting Policies - Income (Loss) per Share - Additional Information (Details) - shares
6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
SHAPEWAYS, INC        
Number of shares included in loss per common share 5,396,377 4,675,532 4,936,601 4,442,094