v3.8.0.1
Business Description - Additional Information (Detail)
12 Months Ended
Dec. 31, 2017
Property
State
Dec. 31, 2016
Dec. 31, 2015
Business Description [Line Items]      
Date of incorporation Oct. 18, 2007    
Number of leased commercial properties owned | Property 528    
Number of States in which properties located | State 40    
Broadstone Net Lease, LLC      
Business Description [Line Items]      
Percentage of economic interests owned 92.40% 91.40% 89.60%