INVESTMENTS - Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - USD ($)
$ in Thousands |
9 Months Ended |
Sep. 30, 2026 |
Sep. 30, 2025 |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value beginning of period |
$ 2,301,544
|
$ 2,244,908
|
| New investments |
565,665
|
545,609
|
| Investment restructuring |
0
|
0
|
| Transfers into Level 3 |
|
5,989
|
| Transfers out of Level 3 |
(2,373)
|
(26,625)
|
| Proceeds from sales of investments / return of capital |
(66,730)
|
(176,846)
|
| Loan origination fees received |
(7,860)
|
(9,579)
|
| Principal repayments received |
(332,360)
|
(260,940)
|
| Fair value end of period |
2,456,391
|
2,371,108
|
| Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ (21,298)
|
$ 46,667
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net unrealized appreciation (depreciation) on investments
|
Net unrealized appreciation (depreciation) on investments
|
| Income Statement Location [Axis]: us-gaap:GrossInvestmentIncomeOperating |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 425
|
$ 248
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|
| Income Statement Location [Axis]: us-gaap:InterestIncomeOperatingPaidInKind |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 19,096
|
$ 19,540
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Total payment-in-kind interest income
|
Total payment-in-kind interest income
|
| Income Statement Location [Axis]: bbdc:DebtAndEquitySecuritiesRealizedGainLossBeforeDistributions |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ (6,855)
|
$ (25,821)
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net realized gains (losses) on investments
|
Net realized gains (losses) on investments
|
| Income Statement Location [Axis]: bbdc:FeeAndOtherIncome |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 7,137
|
$ 7,958
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|
| Senior Debt and 1st Lien Notes |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value beginning of period |
$ 1,661,461
|
$ 1,625,501
|
| New investments |
455,396
|
459,219
|
| Investment restructuring |
(8,462)
|
424
|
| Transfers into Level 3 |
|
0
|
| Transfers out of Level 3 |
0
|
0
|
| Proceeds from sales of investments / return of capital |
(45,937)
|
(154,807)
|
| Loan origination fees received |
(6,957)
|
(7,929)
|
| Principal repayments received |
(271,223)
|
(208,334)
|
| Fair value end of period |
1,769,479
|
1,738,067
|
| Senior Debt and 1st Lien Notes | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ (19,033)
|
$ 33,034
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net unrealized appreciation (depreciation) on investments
|
Net unrealized appreciation (depreciation) on investments
|
| Senior Debt and 1st Lien Notes | Income Statement Location [Axis]: us-gaap:GrossInvestmentIncomeOperating |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 425
|
$ 248
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|
| Senior Debt and 1st Lien Notes | Income Statement Location [Axis]: us-gaap:InterestIncomeOperatingPaidInKind |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 9,165
|
$ 6,831
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Total payment-in-kind interest income
|
Total payment-in-kind interest income
|
| Senior Debt and 1st Lien Notes | Income Statement Location [Axis]: bbdc:DebtAndEquitySecuritiesRealizedGainLossBeforeDistributions |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ (11,763)
|
$ (23,320)
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net realized gains (losses) on investments
|
Net realized gains (losses) on investments
|
| Senior Debt and 1st Lien Notes | Income Statement Location [Axis]: bbdc:FeeAndOtherIncome |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 6,407
|
$ 7,200
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|
| Subordinated Debt and 2nd Lien Notes |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value beginning of period |
$ 189,393
|
$ 153,703
|
| New investments |
106,751
|
60,065
|
| Investment restructuring |
(130)
|
(424)
|
| Transfers into Level 3 |
|
5,989
|
| Transfers out of Level 3 |
0
|
(10,159)
|
| Proceeds from sales of investments / return of capital |
(9,802)
|
0
|
| Loan origination fees received |
(903)
|
(1,650)
|
| Principal repayments received |
(58,689)
|
(20,684)
|
| Fair value end of period |
233,332
|
191,672
|
| Subordinated Debt and 2nd Lien Notes | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ (1,148)
|
$ 9,777
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net unrealized appreciation (depreciation) on investments
|
Net unrealized appreciation (depreciation) on investments
|
| Subordinated Debt and 2nd Lien Notes | Income Statement Location [Axis]: us-gaap:GrossInvestmentIncomeOperating |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 0
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|
| Subordinated Debt and 2nd Lien Notes | Income Statement Location [Axis]: us-gaap:InterestIncomeOperatingPaidInKind |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 6,725
|
$ 3,824
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Total payment-in-kind interest income
|
Total payment-in-kind interest income
|
| Subordinated Debt and 2nd Lien Notes | Income Statement Location [Axis]: bbdc:DebtAndEquitySecuritiesRealizedGainLossBeforeDistributions |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 405
|
$ (9,384)
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net realized gains (losses) on investments
|
Net realized gains (losses) on investments
|
| Subordinated Debt and 2nd Lien Notes | Income Statement Location [Axis]: bbdc:FeeAndOtherIncome |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 730
|
$ 615
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|
| Structured Product |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value beginning of period |
$ 16,688
|
$ 48,664
|
| New investments |
640
|
7,500
|
| Investment restructuring |
0
|
0
|
| Transfers into Level 3 |
|
0
|
| Transfers out of Level 3 |
0
|
(3,310)
|
| Proceeds from sales of investments / return of capital |
0
|
(1,998)
|
| Loan origination fees received |
0
|
0
|
| Principal repayments received |
(2,448)
|
(31,922)
|
| Fair value end of period |
15,209
|
17,777
|
| Structured Product | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 620
|
$ 260
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net unrealized appreciation (depreciation) on investments
|
Net unrealized appreciation (depreciation) on investments
|
| Structured Product | Income Statement Location [Axis]: us-gaap:GrossInvestmentIncomeOperating |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 0
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|
| Structured Product | Income Statement Location [Axis]: us-gaap:InterestIncomeOperatingPaidInKind |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 0
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Total payment-in-kind interest income
|
Total payment-in-kind interest income
|
| Structured Product | Income Statement Location [Axis]: bbdc:DebtAndEquitySecuritiesRealizedGainLossBeforeDistributions |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ (291)
|
$ (1,560)
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net realized gains (losses) on investments
|
Net realized gains (losses) on investments
|
| Structured Product | Income Statement Location [Axis]: bbdc:FeeAndOtherIncome |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 143
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|
| Equity Shares |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value beginning of period |
$ 431,346
|
$ 408,475
|
| New investments |
2,878
|
18,825
|
| Investment restructuring |
8,592
|
0
|
| Transfers into Level 3 |
|
0
|
| Transfers out of Level 3 |
(2,373)
|
(13,156)
|
| Proceeds from sales of investments / return of capital |
(10,904)
|
(15,265)
|
| Loan origination fees received |
0
|
0
|
| Principal repayments received |
0
|
0
|
| Fair value end of period |
435,495
|
420,943
|
| Equity Shares | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ (2,044)
|
$ 7,203
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net unrealized appreciation (depreciation) on investments
|
Net unrealized appreciation (depreciation) on investments
|
| Equity Shares | Income Statement Location [Axis]: us-gaap:GrossInvestmentIncomeOperating |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 0
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|
| Equity Shares | Income Statement Location [Axis]: us-gaap:InterestIncomeOperatingPaidInKind |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 3,206
|
$ 8,885
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Total payment-in-kind interest income
|
Total payment-in-kind interest income
|
| Equity Shares | Income Statement Location [Axis]: bbdc:DebtAndEquitySecuritiesRealizedGainLossBeforeDistributions |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 4,794
|
$ 5,976
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net realized gains (losses) on investments
|
Net realized gains (losses) on investments
|
| Equity Shares | Income Statement Location [Axis]: bbdc:FeeAndOtherIncome |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 0
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|
| Equity Warrants |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value beginning of period |
$ 1,170
|
$ 2,732
|
| New investments |
0
|
0
|
| Investment restructuring |
0
|
|
| Transfers into Level 3 |
|
0
|
| Transfers out of Level 3 |
0
|
0
|
| Proceeds from sales of investments / return of capital |
0
|
0
|
| Loan origination fees received |
0
|
0
|
| Principal repayments received |
0
|
0
|
| Fair value end of period |
1,369
|
1,068
|
| Equity Warrants | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 199
|
$ (1,664)
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net unrealized appreciation (depreciation) on investments
|
Net unrealized appreciation (depreciation) on investments
|
| Equity Warrants | Income Statement Location [Axis]: us-gaap:GrossInvestmentIncomeOperating |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 0
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|
| Equity Warrants | Income Statement Location [Axis]: us-gaap:InterestIncomeOperatingPaidInKind |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 0
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Total payment-in-kind interest income
|
Total payment-in-kind interest income
|
| Equity Warrants | Income Statement Location [Axis]: bbdc:DebtAndEquitySecuritiesRealizedGainLossBeforeDistributions |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 0
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net realized gains (losses) on investments
|
Net realized gains (losses) on investments
|
| Equity Warrants | Income Statement Location [Axis]: bbdc:FeeAndOtherIncome |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 0
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|
| Royalty Rights |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value beginning of period |
$ 1,486
|
$ 5,833
|
| New investments |
0
|
0
|
| Investment restructuring |
0
|
0
|
| Transfers into Level 3 |
|
0
|
| Transfers out of Level 3 |
0
|
0
|
| Proceeds from sales of investments / return of capital |
(87)
|
(4,776)
|
| Loan origination fees received |
0
|
0
|
| Principal repayments received |
0
|
0
|
| Fair value end of period |
1,507
|
1,581
|
| Royalty Rights | Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 108
|
$ (1,943)
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net unrealized appreciation (depreciation) on investments
|
Net unrealized appreciation (depreciation) on investments
|
| Royalty Rights | Income Statement Location [Axis]: us-gaap:GrossInvestmentIncomeOperating |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 0
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|
| Royalty Rights | Income Statement Location [Axis]: us-gaap:InterestIncomeOperatingPaidInKind |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 0
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Total payment-in-kind interest income
|
Total payment-in-kind interest income
|
| Royalty Rights | Income Statement Location [Axis]: bbdc:DebtAndEquitySecuritiesRealizedGainLossBeforeDistributions |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 2,467
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Net realized gains (losses) on investments
|
Net realized gains (losses) on investments
|
| Royalty Rights | Income Statement Location [Axis]: bbdc:FeeAndOtherIncome |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair value recurring basis gain (losses) |
$ 0
|
$ 0
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Interest and other financing fees
|
Interest and other financing fees
|