XML 186 R1.htm IDEA: XBRL DOCUMENT v3.22.4
Cover Page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2022
Feb. 22, 2023
Jun. 30, 2022
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-33137    
Entity Registrant Name EMERGENT BIOSOLUTIONS INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 14-1902018    
Entity Address, Address Line One 400 Professional Drive, Suite 400    
Entity Address, City or Town Gaithersburg,    
Entity Address, State or Province MD    
Entity Address, Postal Zip Code 20879    
City Area Code 240    
Local Phone Number 631-3200    
Title of 12(b) Security Common stock, $0.001 par value per share    
Trading Symbol EBS    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 1.5
Entity Common Stock, Shares Outstanding (in shares)   50,140,158  
Documents Incorporated by Reference Portions of the registrant's definitive proxy statement for its 2023 annual meeting of stockholders which is expected to be filed with the Securities and Exchange Commission not later than 120 days after the end of the registrant's fiscal year ended December 31, 2022, are incorporated by reference into Part III of this Annual Report on Form 10-K. With the exception of the portions of the registrant's definitive proxy statement for its 2023 annual meeting of stockholders that are expressly incorporated by reference into this Annual Report on Form 10-K, such proxy statement shall not be deemed filed as part of this Annual Report on Form 10-K.    
Entity Central Index Key 0001367644    
Amendment Flag false    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY