FAIR VALUE MEASUREMENTS - Schedule of Carrying Values and Fair Values of Debt (Details) - Secured Debt - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Principal Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	$ 986,294	$ 1,007,750
Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	985,588	1,008,683
SPV Credit Facility \| Principal Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	367,294	388,750
SPV Credit Facility \| Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	367,294	388,750
SPV2 Credit Facility \| Principal Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	330,000	330,000
SPV2 Credit Facility \| Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	330,000	330,000
2024-1 Aaa/AAA Class A-1 Notes \| Principal Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	92,500	92,500
2024-1 Aaa/AAA Class A-1 Notes \| Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	92,235	92,826
2024-1 Aaa/AAA Class A-L1 Notes \| Principal Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	104,000	104,000
2024-1 Aaa/AAA Class A-L1 Notes \| Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	103,702	104,366
2024-1 Aaa/AAA Class A-L2 Notes \| Principal Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	50,000	50,000
2024-1 Aaa/AAA Class A-L2 Notes \| Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	49,857	50,176
2024-1 Aaa/AAA Class A-2 Notes \| Principal Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	17,000	17,000
2024-1 Aaa/AAA Class A-2 Notes \| Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	17,049	17,061
2024-1 Aaa/AAA Class B Notes \| Principal Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	25,500	25,500
2024-1 Aaa/AAA Class B Notes \| Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	$ 25,451	$ 25,504

Carlyle Credit Solutions, Inc. 10-Q