Business Description - Summary of Outstanding Equity and Economic Ownership Interest (Detail) - shares shares in Thousands	Jun. 30, 2022	Dec. 31, 2021
Broadstone Net Lease, LLC
Business Description [Line Items]
Percent ownership of OP, Shares of Common Stock	94.30%	94.00%
Percent ownership of OP, OP Units	5.70%	6.00%
Percent ownership of OP, Total Diluted Shares	100.00%	100.00%
Ownership Interest
Business Description [Line Items]
Shares of Common Stock	172,023	162,383
OP Units	10,323	10,323
Total Diluted Shares	182,346	172,706