Fair Value Measurement - Summary Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments (Detail) - USD ($)
$ in Thousands

3 Months Ended

12 Months Ended

Mar. 31, 2024

Dec. 31, 2023

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Fair value disclosures

$ 191,906

$ 215,975

Fair Value, Inputs, Level 3 [Member]

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Fair value disclosures

75,802

68,079

Measurement Input, Discount Rate [Member] | Valuation technique, discounted cash flow [Member] | Term Loans One [Member] | Fair Value, Inputs, Level 3 [Member]

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Fair value disclosures

$ 25,187

$ 25,574

Valuation techniques

Discounted Cash Flow

Unobservable Input

Discount Rate

Significant unobservable input used in the valuation of investment

^[1]

12.49

12.23

Measurement Input, Discount Rate [Member] | Valuation technique, discounted cash flow [Member] | Term Loans One [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Significant unobservable input used in the valuation of investment

17.01

16.39

Measurement Input, Discount Rate [Member] | Valuation technique, discounted cash flow [Member] | Term Loans One [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Significant unobservable input used in the valuation of investment

10.88

10.67

Measurement Input, Discount Rate [Member] | Valuation technique, discounted cash flow [Member] | Senior Unsecured [Member] | Fair Value, Inputs, Level 3 [Member]

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Fair value disclosures

$ 43,188

$ 40,061

Valuation techniques

Discounted Cash Flow

Unobservable Input

Discount Rate

Significant unobservable input used in the valuation of investment

^[1]

17.04

17.50

Measurement Input, Discount Rate [Member] | Valuation technique, discounted cash flow [Member] | Senior Unsecured [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Significant unobservable input used in the valuation of investment

23.62

23.37

Measurement Input, Discount Rate [Member] | Valuation technique, discounted cash flow [Member] | Senior Unsecured [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Significant unobservable input used in the valuation of investment

14.66

15.41

Measurement Input Purchase Price [Member] | Valuation, Recent Transaction [Member] | Term Loans Two [Member] | Fair Value, Inputs, Level 3 [Member]

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Fair value disclosures

$ 4,631

Valuation techniques

Recent Transaction

Unobservable Input

Purchase Price

Measurement Input Discount Rate Revenue Multiple [Member] | Discounted Cash Flow Comparable Multiple [Member] | Common Stocks [Member] | Fair Value, Inputs, Level 3 [Member]

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Fair value disclosures

$ 263

Valuation techniques

Discounted Cash Flow/Comparable Multiple

Unobservable Input

Discount Rate/Revenue Multiple

Measurement Input Discount Rate Revenue Multiple [Member] | Discounted Cash Flow Comparable Multiple [Member] | Common Stocks [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum [Member]

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Significant unobservable input used in the valuation of investment

^[1]

0.55

Measurement Input Discount Rate Revenue Multiple [Member] | Discounted Cash Flow Comparable Multiple [Member] | Common Stocks [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum [Member]

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Significant unobservable input used in the valuation of investment

^[1]

19.25

17.25

Measurement Input, EBITDA Multiple [Member] | Valuation Comparable Multiple [Member] | Common Stocks [Member] | Fair Value, Inputs, Level 3 [Member]

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Fair value disclosures

$ 321

Valuation techniques

Comparable Multiple

Unobservable Input

EBITDA Multiple

Significant unobservable input used in the valuation of investment

^[1]

5.75

Measurement Input, EBITDA Multiple [Member] | Valuation Comparable Multiple [Member] | Warrants [Member] | Fair Value, Inputs, Level 3 [Member]

Disclosure In Tabular Form Of Significant Unobservable Inputs Used In Measuring Fair Value Of Investments [Line Items]

Fair value disclosures

$ 2,212

$ 2,181

Valuation techniques

Comparable Multiple

Unobservable Input

EBITDA Multiple

Significant unobservable input used in the valuation of investment

^[1]

10.25

10.00

[1]	Weighted average is calculated by weighing the significant unobservable input by the relative fair value of each investment in the category.

PIMCO Capital Solutions BDC Corp. 10-Q