Annual report pursuant to Section 13 and 15(d)

Cover Page

v3.20.4
Cover Page
$ in Millions
4 Months Ended
Dec. 31, 2020
USD ($)
shares
Document Information [Line Items]  
Document Type 10-K
Document Period End Date Dec. 31, 2020
Entity Registrant Name ALTIMAR ACQUISITION CORP.
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Shell Company true
Entity Central Index Key 0001823945
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2020
Document Fiscal Period Focus FY
Amendment Flag false
Entity Address, State or Province NY
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Public Float | $ $ 391
Entity Incorporation, State or Country Code E9
Class A common stock  
Document Information [Line Items]  
Entity Common Stock, Shares Outstanding 27,500,000
Trading Symbol ATAC
Title of 12(b) Security Class A Ordinary Shares included as part of the units
Security Exchange Name NYSE
Class B common stock  
Document Information [Line Items]  
Entity Common Stock, Shares Outstanding 6,875,000
Units Each Consisting Of One Share Of Class Common Stock And One Third Of One Redeemable Warrant  
Document Information [Line Items]  
Trading Symbol ATAC
Title of 12(b) Security Units, each consisting of one share of Class A Ordinary share, $0.0001 par value, and one-third of one redeemable warrant
Security Exchange Name NYSE
Redeemable warrants, each whole warrant exercisable  
Document Information [Line Items]  
Trading Symbol ATAC
Title of 12(b) Security Redeemable warrants included as part of the units, each whole warrant exercisable for one Class A Ordinary Share at an exercise price of $11.50
Security Exchange Name NYSE