Fair Value Measurement - Summary Of Fair Value, Investments, Entities That Calculate Net Asset Value Per Share (Detail) - USD ($)
$ in Thousands

Dec. 31, 2023

Dec. 31, 2022

Schedule of Investments [Line Items]

Investment owned, at fair value

^[1]

$ 215,975

$ 230,202

^[2]

First Lien Senior Secured Notes [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

95,381

132,532

Second Lien Senior Secured [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

2,878

11,715

Senior unsecured notes [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

40,061

25,562

Corporate bond securities [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

28,658

27,743

Common Stock [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

263

Warrant [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

2,181

Short-term investments [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

46,553

32,650

Fair Value, Inputs, Level 1 [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

Fair Value, Inputs, Level 1 [Member] | First Lien Senior Secured Notes [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

Fair Value, Inputs, Level 1 [Member] | Second Lien Senior Secured [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

Fair Value, Inputs, Level 1 [Member] | Senior unsecured notes [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

Fair Value, Inputs, Level 1 [Member] | Corporate bond securities [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

Fair Value, Inputs, Level 1 [Member] | Common Stock [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

Fair Value, Inputs, Level 1 [Member] | Warrant [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

Fair Value, Inputs, Level 1 [Member] | Short-term investments [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

Fair Value, Inputs, Level 2 [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

147,896

174,496

Fair Value, Inputs, Level 2 [Member] | First Lien Senior Secured Notes [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

69,807

110,450

Fair Value, Inputs, Level 2 [Member] | Second Lien Senior Secured [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

2,878

3,653

Fair Value, Inputs, Level 2 [Member] | Senior unsecured notes [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

Fair Value, Inputs, Level 2 [Member] | Corporate bond securities [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

28,658

27,743

Fair Value, Inputs, Level 2 [Member] | Common Stock [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

Fair Value, Inputs, Level 2 [Member] | Warrant [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

Fair Value, Inputs, Level 2 [Member] | Short-term investments [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

46,553

32,650

Fair Value, Inputs, Level 3 [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

68,079

55,706

Fair Value, Inputs, Level 3 [Member] | First Lien Senior Secured Notes [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

25,574

22,082

Fair Value, Inputs, Level 3 [Member] | Second Lien Senior Secured [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

8,062

Fair Value, Inputs, Level 3 [Member] | Senior unsecured notes [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

40,061

25,562

Fair Value, Inputs, Level 3 [Member] | Corporate bond securities [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

Fair Value, Inputs, Level 3 [Member] | Common Stock [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

263

Fair Value, Inputs, Level 3 [Member] | Warrant [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

2,181

Fair Value, Inputs, Level 3 [Member] | Short-term investments [Member]

Schedule of Investments [Line Items]

Investment owned, at fair value

$ 0

[1]	All investments are U.S. domiciled.
[2]	All debt investments are income-producing, unless otherwise noted.

PIMCO Capital Solutions BDC Corp. 10-K