Fair Value Measurement - Summary Of Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Realized gain (loss)	$ (372)	$ (171)	$ (415)	$ (17,922)
Net Change in Unrealized Appreciation/ (Depreciation)	(787)	(859)	635	16,735
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance			68,079	55,706
Net Purchases and Drawdowns			8,622	25,628
In-Kind Contributions			0	0
Net Sales and Paydowns			(5,561)	(219)
Accrued Discounts/ (Premiums)			265	184
Realized gain (loss)			138	(17,688)
Net Change in Unrealized Appreciation/ (Depreciation)			(66)	15,510
Transfers into Level 3			6,930	9,414
Tranfers out of Level 3			0	(6,120)
Ending balance	78,407	82,415	78,407	82,415
Investments term loans first lien secured [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance			25,574	22,082
Net Purchases and Drawdowns			154	23,185
In-Kind Contributions			0	0
Net Sales and Paydowns			(5,240)	2,782
Accrued Discounts/ (Premiums)			68	128
Realized gain (loss)			138	(3,758)
Net Change in Unrealized Appreciation/ (Depreciation)			139	6,251
Transfers into Level 3			6,930	9,414
Tranfers out of Level 3			0	(6,120)
Ending balance	27,763	53,964	27,763	53,964
Investments term loans second lien secured [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance			0	8,062
Net Purchases and Drawdowns			4,726	722
In-Kind Contributions			0	0
Net Sales and Paydowns			0	(3,001)
Accrued Discounts/ (Premiums)			21	37
Realized gain (loss)			0	(13,930)
Net Change in Unrealized Appreciation/ (Depreciation)			(8)	9,105
Transfers into Level 3			0	0
Tranfers out of Level 3			0	0
Ending balance	4,739	995	4,739	995
Investments term loans senior secured [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance			40,061	25,562
Net Purchases and Drawdowns			3,100	1,721
In-Kind Contributions			0	0
Net Sales and Paydowns			0	0
Accrued Discounts/ (Premiums)			176	19
Realized gain (loss)			0	0
Net Change in Unrealized Appreciation/ (Depreciation)			349	154
Transfers into Level 3			0	0
Tranfers out of Level 3			0	0
Ending balance	43,686	$ 27,456	43,686	$ 27,456
Common Stock [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance			263
Net Purchases and Drawdowns			642
In-Kind Contributions			0
Net Sales and Paydowns			(321)
Accrued Discounts/ (Premiums)			0
Realized gain (loss)			0
Net Change in Unrealized Appreciation/ (Depreciation)			(92)
Transfers into Level 3			0
Tranfers out of Level 3			0
Ending balance	492		492
Warrant [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance			2,181
Net Purchases and Drawdowns			0
In-Kind Contributions			0
Net Sales and Paydowns			0
Accrued Discounts/ (Premiums)			0
Realized gain (loss)			0
Net Change in Unrealized Appreciation/ (Depreciation)			(454)
Transfers into Level 3			0
Tranfers out of Level 3			0
Ending balance	$ 1,727		$ 1,727

PIMCO Capital Solutions BDC Corp. 10-Q