Borrowings - Addtional Information (Detail) - USD ($) $ in Thousands					3 Months Ended		9 Months Ended
	Jun. 19, 2024	Jun. 10, 2024	Jun. 30, 2023	Jun. 19, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Short-Term Debt [Line Items]
Maximum amount borrowed under the credit facility		$ 100,000		$ 150,000			$ 100,000
Date the credit facility terminates				Jun. 19, 2032
Outstanding borrowings					$ 13,640		$ 13,640
Asset coverage ratio					1813.83%	0.00%	1813.83%	0.00%	0.00%
Debt weighted average interest rate					67.72%	0.00%	67.72%	0.00%
Percentage of stated interest							8.28%	0.00%
Debt weighted average amount outstanding							$ 4,460	$ 0
Line of Credit [Member]
Short-Term Debt [Line Items]
Permitted borrowings over asset coverage ratio percentage				150.00%
Maximum amount borrowed under the credit facility							100,000
Line of credit facility, unused capacity, commitment fee percentage				40.00%
Line Of credit facility servicer fee percentage				0.03%
Line of credit facility aggregate collateral custodian fee				$ 5
Line of credit facility aggregate agent fee				25
Payment of upfront fees and incurred legal expenses			$ 2,427
Interest expense					$ 1,634	$ 63	2,261	70
Interest expense, debt, excluding amortization					68	63	199	70
Line of credit intial rating fee payable				175
Line of credit annual fee payable thereafter				$ 45
Unused commitment fees					38	0	314	0
Utilization fee					1,196	0	1,374	0
Outstanding borrowings					13,640		13,640
Interest expenses					276	0	276	0
Debt administration fees					$ 56	$ 0	$ 98	$ 0
Line of Credit [Member] \| Prior to June 19, 2024 [Member]
Short-Term Debt [Line Items]
Line of credit facility, maximum usage amount percentage	0.00%
Line of Credit [Member] \| Post June 19, 2024 [Member]
Short-Term Debt [Line Items]
Line of credit facility, maximum usage amount percentage	70.00%
Line of Credit [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Short-Term Debt [Line Items]
Debt instrument, basis spread on variable rate				2.85%
Line of Credit [Member] \| Base Rate [Member]
Short-Term Debt [Line Items]
Debt instrument, basis spread on variable rate				1.85%
Description of reference rate used for variable rate of debt instrument		(a) the Prime Rate in effect on such day; and (b) the Federal Funds Rate in effect on such day plus 0.5% per annum (as such terms are defined in the Credit Facility).

PIMCO Capital Solutions BDC Corp. 10-Q