XML 24 R1.htm IDEA: XBRL DOCUMENT v3.22.0.1
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Feb. 23, 2022
Jun. 30, 2021
Cover [Abstract]      
Entity Registrant Name BUILDERS FIRSTSOURCE, INC.    
Entity Central Index Key 0001316835    
Document Type 10-K    
Document Period End Date Dec. 31, 2021    
Amendment Flag false    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Trading Symbol BLDR    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
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 Public Float     $ 8,744.7
Entity Common Stock, Shares Outstanding   176,772,541  
Security Exchange Name NYSE    
Title of 12(b) Security Common stock, par value $0.01 per share    
Entity Interactive Data Current Yes    
Entity File Number 001-40620    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 52-2084569    
Entity Address, Address Line One 2001 Bryan Street    
Entity Address, Address Line Two Suite 1600    
Entity Address, City or Town Dallas    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 75201    
City Area Code 214    
Local Phone Number 880-3500    
Document Annual Report true    
Document Transition Report false    
ICFR Auditor Attestation Flag true    
Auditor Firm ID 238    
Auditor Name PricewaterhouseCoopers LLP    
Auditor Location Dallas, Texas    
Documents Incorporated by Reference

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant’s definitive proxy statement for its annual meeting of stockholders to be held on June 14, 2022 are incorporated by reference into Part II and Part III of this Form 10-K.