v3.21.2

Business Description - Summary of Outstanding Equity and Economic Ownership Interest (Detail) - shares shares in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Broadstone Net Lease, LLC |  |
Business Description [Line Items] |  |
Percent ownership of OP, Shares of Common Stock | 94.00% | 92.70%
Percent ownership of OP, OP Units | 6.00% | 7.30%
Percent ownership of OP, Total Diluted Shares | 100.00% | 100.00%
Ownership Interest |  |
Business Description [Line Items] |  |
Shares of Common Stock | 161,255 | 145,609
OP Units | 10,370 | 11,399
Total Diluted Shares | 171,625 | 157,008

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