Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Assets:
Total investments at fair value	$ 2,395,660	$ 2,488,715
Cash (restricted cash of $15,018 and $0 as of June 30, 2024 and December 31, 2023, respectively)	66,093	57,187
Foreign currencies (cost of $18,220 and $13,023 as of June 30, 2024 and December 31, 2023, respectively)	18,270	13,341
Interest and fees receivable	37,120	51,598
Prepaid expenses and other assets	2,942	3,564
Deferred financing fees	3,031	3,948
Receivable from unsettled transactions	25,631	1,299
Total assets	2,603,643	2,677,453
Liabilities:
Accounts payable and accrued liabilities	2,875	2,950
Interest payable	14,322	8,450
Administrative fees payable	400	536
Base management fees payable	8,190	8,347
Incentive management fees payable	1,122	7,737
Payable from unsettled transactions	5,081	1,112
Borrowings under credit facility	350,823	719,914
Notes payable (net of deferred financing fees)	1,009,085	720,583
Total liabilities	1,401,767	1,480,894
Commitments and contingencies (Note 7)
Net Assets:
Common stock, $0.001 par value per share (150,000,000 shares authorized, 105,757,992 and 106,067,070 shares issued and outstanding as of June 30, 2024 and December 31, 2023, respectively)	106	106
Additional paid-in capital	1,851,442	1,854,457
Total distributable earnings (loss)	(649,672)	(658,004)
Total net assets	1,201,876	1,196,559
Total liabilities and net assets	$ 2,603,643	$ 2,677,453
Net asset value per share (in dollars per share)	$ 11.36	$ 11.28
Credit Support Agreements
Assets:
Derivative asset	$ 50,546	$ 57,800
Foreign Exchange Contract
Assets:
Derivative asset	4,350	1
Liabilities:
Derivative liabilities	9,869	11,265
Non-Control / Non-Affiliate investments
Assets:
Total investments at fair value	1,911,585	1,995,372
Affiliate investments
Assets:
Total investments at fair value	393,922	402,423
Control investments
Assets:
Total investments at fair value	$ 90,153	$ 90,920

Administrative Fees Payable

No definition available.

Name:	bbdc_AdministrativeFeesPayable
Namespace Prefix:	bbdc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.