XML 61 R51.htm IDEA: XBRL DOCUMENT
v3.23.1

SIERRA MERGER (Details) |  |  | 3 Months Ended
--- | --- | --- | ---
Feb. 23, 2023 USD ($) | Feb. 25, 2022 USD ($) $ / shares shares | Mar. 31, 2023
Business Acquisition [Line Items] |  |  |
Share repurchase program term | 12 months |  | 12 months
Common Stock |  |  |
Business Acquisition [Line Items] |  |  |
Common stock aggregate amount | $ | $ 30,000,000 | $ 30,000,000 |
Common stock market price percent of NAV, threshold |  | 90.00% |
Sierra Merger |  |  |
Business Acquisition [Line Items] |  |  |
Share price (in dollars per share) | $ / shares |  | $ 0.9783641 |
Conversion ratio |  | 0.44973 |
Equity interest issued number of shares (in shares) | shares |  | 45,986,926 |
Sierra Income Corporation |  |  |
Business Acquisition [Line Items] |  |  |
Ownership percentage |  | 58.70% |
Ownership percentage by noncontrolling owners |  | 41.30% |

X
- Definition Assets Acquisition, Equity Interest Issued or Issuable, Conversion Ratio + References No definition available. + Details
Name: | bbdc_AssetsAcquisitionEquityInterestIssuedOrIssuableConversionRatio
Namespace Prefix: | bbdc_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Assets Acquisition, Equity Interest Issued or Issuable, Number of Shares + References No definition available. + Details
Name: | bbdc_AssetsAcquisitionEquityInterestIssuedOrIssuableNumberOfShares
Namespace Prefix: | bbdc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share Repurchase Program, Stock Repurchase, Percent Of NAV, Threshold + References No definition available. + Details
Name: | bbdc_ShareRepurchaseProgramStockRepurchasePercentOfNAVThreshold
Namespace Prefix: | bbdc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share Repurchase Program, Term + References No definition available. + Details
Name: | bbdc_ShareRepurchaseProgramTerm
Namespace Prefix: | bbdc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=bbdc_SierraMergerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=bbdc_SierraIncomeCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |