v3.22.2.2

Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Offering costs,discounts, and commissions | $ 3,654 | $ 11,194

X
- Definition Offering costs discounts and commissions. + References No definition available. + Details
Name: | bnl_OfferingCostsDiscountsAndCommissions
Namespace Prefix: | bnl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration