XML 14 R1.htm IDEA: XBRL DOCUMENT v3.22.0.1
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Feb. 25, 2022
Jun. 30, 2021
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2021    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2021    
Entity Registrant Name BigCommerce Holdings, Inc.    
Entity Central Index Key 0001626450    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Shell Company false    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity File Number 001-39423    
Entity Tax Identification Number 46-2707656    
Entity Address, Address Line One 11305 Four Points Drive Building II, 3rd Floor    
Entity Address, City or Town Austin    
Entity Address, State or Province TX    
Entity Interactive Data Current Yes    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Address, Postal Zip Code 78726    
City Area Code 512    
Local Phone Number 865-4500    
Entity Incorporation, State or Country Code DE    
Title of 12(b) Security Series 1 common stock, $0.0001 par value per share    
Trading Symbol BIGC    
Security Exchange Name NASDAQ    
Entity Common Stock, Shares Outstanding   72,470,039  
Entity Public Float     $ 3,720
ICFR Auditor Attestation Flag true    
Auditor Name Ernst and Young LLP    
Auditor Location Austin, TX    
Auditor Firm ID 42    
Documents Incorporated by Reference

Part III of this Annual Report on Form 10-K incorporates certain information by reference from the definitive proxy statement for the Registrant's 2022 annual meeting of stockholders to be filed within 120 days of the registrant's fiscal year ended December 31, 2021, or the Proxy Statement. Except with respect to information specifically incorporated by reference in this Annual Report on Form 10-K, the Proxy Statement is not deemed to be filed as part of this Annual Report on Form 10-K.