v3.20.2
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2020
Aug. 01, 2020
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q2  
Entity Registrant Name BROADSTONE NET LEASE, INC.  
Entity Central Index Key 0001424182  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity Common Stock, Shares Outstanding   26,858,342.567
Entity Shell Company false  
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 Quarterly Report true  
Document Transition Report false