XML 69 R54.htm IDEA: XBRL DOCUMENT v3.24.0.1

Income Taxes - Schedule of Tax Characters Distribution Of Earnings (Details) - USD ($) $ in Thousands													12 Months Ended
	Dec. 13, 2023	Sep. 13, 2023	Jun. 14, 2023	Mar. 15, 2023	Dec. 14, 2022	Sep. 14, 2022	Jun. 15, 2022	Feb. 23, 2022	Dec. 01, 2021	Sep. 15, 2021	Jun. 16, 2021	Mar. 17, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Ordinary income													$ 108,997	$ 93,726	$ 51,910
Tax return of capital													0	0	1,649
Distributions on a tax basis	$ 27,657	$ 27,694	$ 26,667	$ 26,979	$ 25,999	$ 26,198	$ 26,506	$ 15,023	$ 14,370	$ 13,716	$ 13,063	$ 12,410	$ 108,997	$ 93,726	$ 53,559

X

- Definition

Investment Company, Dividend Distribution And Tax Return Of Capital Distribution

+ References

No definition available.

+ Details

Name:	bbdc_InvestmentCompanyDividendDistributionAndTaxReturnOfCapitalDistribution
Namespace Prefix:	bbdc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of dividend distribution by investment company from ordinary income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480990/946-20-50-8

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481004/946-505-50-5

+ Details

Name:	us-gaap_InvestmentCompanyDistributionOrdinaryIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of distribution in excess of tax-basis earnings and profit of investment company.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480990/946-20-50-8

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480767/946-205-45-3

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481004/946-505-50-5

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-09(3)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-3

+ Details

Name:	us-gaap_InvestmentCompanyTaxReturnOfCapitalDistribution
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration