v3.26.1
Unaudited Consolidated Schedule of Investments - Derivative Instruments (Parenthetical) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Schedule of Investments [Line Items]      
Unrealized Appreciation (Depreciation) $ (3,247,000) $ 2,268,000  
Open Swap Contract, Identifier [Axis]: Interest rate swap 1      
Schedule of Investments [Line Items]      
Company Receives 7.00% 7.00% 7.00%
Company Pays 3.1475% 3.1475% 3.1475%
Notional Amount $ 300,000,000 $ 300,000,000 $ 300,000,000
Unrealized Appreciation (Depreciation)   (1,223,000) 3,334,000
Value $ (1,223,000) $ (1,223,000)  
Value     $ 3,334,000
Open Swap Contract, Identifier [Axis]: Interest rate swap 2      
Schedule of Investments [Line Items]      
Company Receives 5.20% 5.20% 5.20%
Company Pays 2.059% 2.059% 2.059%
Notional Amount $ 300,000,000 $ 300,000,000 $ 300,000,000
Derivative liabilities     (2,072,000)
Unrealized Appreciation (Depreciation)   (5,619,000) (2,072,000)
Value (5,619,000) (5,619,000)  
Interest Rate Swap      
Schedule of Investments [Line Items]      
Unrealized Appreciation (Depreciation)   (6,842,000) 1,262,000
Credit Support Agreements      
Schedule of Investments [Line Items]      
Notional Amount 10,995,000 10,995,000 100,000,000
Unrealized Appreciation (Depreciation)   0 16,100,000
Value 1,329,000 1,329,000 60,500,000
Value 1,329,000 1,329,000 60,500,000
New Sierra Credit Support Agreement      
Schedule of Investments [Line Items]      
Unrealized Appreciation (Depreciation)   0  
New Sierra Credit Support Agreement | Barings LLC      
Schedule of Investments [Line Items]      
Notional Amount [1],[2],[3] 10,995,000 10,995,000  
Unrealized Appreciation (Depreciation) [1],[2],[3]   0  
Value 1,329,000 1,329,000  
Value [1],[2],[3] $ 1,329,000 $ 1,329,000  
Prior Sierra Credit Support Agreement      
Schedule of Investments [Line Items]      
Unrealized Appreciation (Depreciation)     16,100,000
Prior Sierra Credit Support Agreement | Barings LLC      
Schedule of Investments [Line Items]      
Notional Amount [4],[5],[6]     100,000,000.0
Unrealized Appreciation (Depreciation) [4],[5],[6]     16,100,000
Value     60,500,000
Value [4],[5],[6]     $ 60,500,000
[1] Settlement Date means the earlier of (1) April 1, 2032 or (2) the date on which the entire New Sierra Reference Portfolio has been realized or written off.
[2] The Company and Barings LLC (“Barings” or the “Adviser”) entered into the New Sierra Credit Support Agreement pursuant to which Barings agreed to provide credit support to the Company in the amount of up to $11.0 million.
[3] The New Sierra Credit Support Agreement (as defined in “Note 2. Agreements and Related Party Transactions”) covers investments in two portfolio companies acquired by Barings BDC, Inc. (the “Company”) from Sierra Income Corporation (“Sierra”) in connection with the Sierra Merger (as defined in “Note 2. Agreements and Related Party Transactions”) and any investments received by the Company in connection with the restructuring, amendment, extension or other modification of such investments (the “New Sierra Reference Portfolio”). Each investment that is included in the New Sierra Reference Portfolio is denoted in the above Schedule of Investments with footnote (28).
[4] Settlement Date means the earlier of (1) April 1, 2032 or (2) the date on which the entire Prior Sierra Reference Portfolio has been realized or written off.
[5] The Company and Barings entered into the Prior Sierra Credit Support Agreement pursuant to which Barings agreed to provide credit support to the Company in the amount of up to $100.0 million.
[6] The Prior Sierra Credit Support Agreement (as defined in “Note 2. Agreements and Related Party Transactions”) covers all of the investments acquired by the Company from Sierra in connection with the Sierra Merger and any investments received by the Company in connection with the restructuring, amendment, extension or other modification (including the issuance of new securities) of any of the investments acquired by the Company from Sierra in connection with the Sierra Merger (collectively, the “Prior Sierra Reference Portfolio”). Each investment that is included in the Prior Sierra Reference Portfolio is denoted in the above Schedule of Investments with footnote (28).