Registration of securities issued in business combination transactions

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v3.22.1
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8 Months Ended
Dec. 31, 2021
Cover [Abstract]  
Document Type S-4/A
Amendment Flag true
Amendment Description Amendment No. 1
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2021
Entity Registrant Name FOUNDER SPAC
Entity Central Index Key 0001862068
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 11752 Lake Potomac Drive
Entity Address, Address Line Two Potomac,
Entity Address, City or Town MD, 
Entity Address, Postal Zip Code 20854
City Area Code 240
Local Phone Number 418-2649
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false