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

Summary of Significant Accounting Policies - Long-Lived Assets, Including Definite-Lived Intangible Assets (Details)

v3.21.2
Summary of Significant Accounting Policies - Long-Lived Assets, Including Definite-Lived Intangible Assets (Details) - SHAPEWAYS, INC - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]      
Impairment charges $ 0 $ 0 $ 0
Minimum      
Finite-Lived Intangible Assets [Line Items]      
Estimated useful lives for lived intangible assets 3 years 3 years  
Maximum      
Finite-Lived Intangible Assets [Line Items]      
Estimated useful lives for lived intangible assets 8 years 8 years