v3.19.3.a.u2
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2019
Feb. 27, 2020
Jun. 30, 2019
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Entity Registrant Name BROADSTONE NET LEASE, INC.    
Entity Central Index Key 0001424182    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Non-accelerated Filer    
Entity Shell Company false    
Entity Small Business false    
Entity Emerging Growth Company true    
Entity Ex Transition Period true    
Entity Public Float     $ 1,997,344,931
Entity Common Stock, Shares Outstanding   26,852,774.932  
Entity File Number 000-55774    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 26-1516177    
Entity Address, Address Line One 800 Clinton Square    
Entity Address, City or Town Rochester    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 14604    
City Area Code 585    
Local Phone Number 287-6500    
Document Annual Report true    
Document Transition Report false    
Entity Interactive Data Current Yes    
Documents Incorporated by Reference

Documents Incorporated by Reference

Part III, Items 10, 11, 12, 13, and 14 of this annual report incorporate by reference certain specific portions of Broadstone Net Lease, Inc.’s definitive proxy statement for its 2020 Annual Meeting of Stockholders, which will be filed with the Securities and Exchange Commission no later than 120 days after the end of the registrant’s fiscal year. Only those portions of the proxy statement that are specifically incorporated by reference herein shall constitute a part of this Annual Report on Form 10-K.