Quarterly report pursuant to Section 13 or 15(d)

Cover Page

v3.21.2
Cover Page - shares
 6 Months Ended
Jun. 30, 2021
Aug. 12, 2021
Document Information [Line Items]    
Document Type 10-Q  
Document Period End Date Jun. 30, 2021  
Amendment Flag false  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2021  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Entity Registrant Name Genesis Park Acquisition Corp.  
Entity Interactive Data Current Yes  
Current Fiscal Year End Date --12-31  
Entity Central Index Key 0001819810  
Entity File Number 001-39733  
Entity Incorporation, State or Country Code E9  
Entity Tax Identification Number 98-1550429  
Entity Address, Address Line One 2000 Edwards Street, Suite B  
Entity Address, City or Town Houston  
Entity Address, State or Province TX  
Document Quarterly Report true  
Entity Address, Postal Zip Code 77007  
City Area Code 713  
Local Phone Number 489-4650  
Document Transition Report false  
Entity Shell Company true  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Title of 12(b) Security Class A ordinary shares  
Trading Symbol GNPK  
Security Exchange Name NYSE  
Common Class A [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   16,377,622
Common Class B [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   4,094,406
Capital Units [Member]    
Document Information [Line Items]    
Title of 12(b) Security Units  
Trading Symbol GNPK. U  
Security Exchange Name NYSE  
Warrant [Member]    
Document Information [Line Items]    
Title of 12(b) Security Warrants  
Trading Symbol GNPK WS  
Security Exchange Name NYSE